Sheet Metal Workers Local Union 54

Sheet Metal Workers Local Union 54
Waller, Texas — Houston and Gulf Coast sheet metal workers
Directory designation	Local 054-SM, Houston, TX
Parent International	International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART)
Regional council	Southwest Gulf Coast Regional Council (Locals 54, 67, 68, 214)
Hall	20213 Binford Rd., P.O. Box 1083, Waller, TX 77484
Membership	Approximately 1,500, split roughly evenly between production and building trades
Jurisdiction	24 Texas counties centered on greater Houston and the Gulf Coast
Trades represented	HVAC duct fabrication and installation, architectural sheet metal, welding, shop production, roofing and ventilating
Industries served	Industrial and large commercial construction, petrochemical and refinery facilities, institutional and healthcare buildings

Executive Summary

Sheet Metal Workers Local Union 54 is a local of the International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART) representing approximately 1,500 members across 24 Texas counties centered on greater Houston and the Gulf Coast industrial corridor. Its hall is at 20213 Binford Rd. in Waller, Texas, a location the regional council's Spring 2024 newsletter described as a new one. The local appears in federal labor records under several parallel names — Local 054-SM in the SMART directory, International Association of Sheet Metal, Air, Rail and Transportation Workers, Local Union No. 54 in National Labor Relations Board filings, and Sheet Metal Workers Local Union No. 54, AFL-CIO in the Fifth Circuit case law — and all of them refer to the same local.

Two features of this local shape the asbestos work histories its members carry. The first is that its membership divides roughly evenly between production and building trades — shop fabrication on one side, field installation on the other — and those two working lives produced materially different exposures. The second is the breadth of the jurisdiction. A member dispatched out of one hall across 24 counties and a multi-employer contractors' association may have worked for a dozen signatory employers over a career, which multiplies the sites where exposure could have occurred and makes the work history correspondingly harder to reconstruct decades later.

Sheet metal workers were rarely the trade that installed asbestos insulation. They were, on a great many pre-1980s jobsites, the trade working alongside and beneath the trades that did — running duct through ceiling spaces where spray-applied fireproofing had been shot onto structural steel, and installing and servicing ductwork adjacent to thermal system insulation on pipes, boilers and breeching. The peer-reviewed literature on this trade describes its asbestos exposure as largely indirect, and finds significant excess mortality from asbestos disease all the same. That exposure pathway is documented in full on the Sheet Metal Workers occupational profile; this page does not restate it.

Local 54 did not manufacture, sell, or specify asbestos-containing products. Liability for asbestos disease rests with the manufacturers who made and sold asbestos insulation, fireproofing, cement board, gaskets and packing while knowing the health risks — many of which have since entered bankruptcy and funded trusts that pay claims today. A Local 54 member or family pursuing compensation is not suing the union or the contractor. This page documents the local's identity, jurisdiction, structure and history, and points to the exposure and compensation information relevant to its members.

At-a-Glance

Sheet Metal Workers Local Union 54 at a glance:

• Approximately 1,500 members, split roughly evenly between production work and the building trades — two different working lives inside one local
• 24 Texas counties of jurisdiction, centered on Harris and reaching Galveston, Brazoria, Fort Bend, Montgomery, Waller, Matagorda, Liberty and Walker
• Hall at 20213 Binford Rd., Waller, Texas, with a Houston satellite office reached at the same telephone number
• Governed through a regional council since 2023 — the Southwest Gulf Coast Regional Council took effect 22 September 2023, and the local's own President, Business Manager, Financial Secretary-Treasurer, Recording Secretary and Business Representative seats are all vacant under that structure
• Multi-employer bargaining since at least 1974 with the Houston Sheet Metal Contractors Association, a structure the Fifth Circuit examined in detail in 1993
• The contract funds asbestos screening. SMOHIT — the Sheet Metal Occupational Health Institute Trust — is a named line in the fringe package of the 2022–2025 Houston agreement
• Asbestos disease in this trade is well documented nationally. In a screening cohort of 17,345 sheet metal workers with 20 or more years in the trade, followed from 1986 to 2004, mortality was significantly elevated for mesothelioma, pleural cancer and asbestosis — despite exposures the authors describe as largely indirect. These are national figures for the trade, not Local 54 rates
• Roughly $37 billion in total assets was held across some 60 asbestos bankruptcy trusts as of 2011 — a 2011 snapshot of assets then held, not a measure of what remains available today

Key Facts

Measure	Finding (Source)
Directory designation	Local 054-SM, Houston, Texas
Full name in NLRB filings	International Association of Sheet Metal, Air, Rail and Transportation Workers, Local Union No. 54
Hall	20213 Binford Rd., P.O. Box 1083, Waller, TX 77484
Membership	About 1,500, divided roughly evenly between production and building trades
Regional council	Southwest Gulf Coast Regional Council, bylaws effective 22 September 2023, with Locals 54, 67, 68 and 214 affiliated
Local officer seats	President, Business Manager, Financial Secretary-Treasurer, Recording Secretary and Business Representative are all listed vacant; Armando Aguirre appears as Regional Manager
Collective bargaining agreement	Multi-employer agreement with the Houston Sheet Metal Contractors Association, 1 April 2022 – 31 March 2025
Asbestos screening funding	SMOHIT appears as a named contribution line in that agreement's fringe package
Apprenticeship fund	Sheet Metal Workers 54 Apprenticeship Fund, EIN 76-0311334 — the training fund, which is a separate legal entity from the local itself
Reported appellate decision	Sheet Metal Workers Local Union No. 54 v. E.F. Etie Sheet Metal Co., 1 F.3d 1464 (5th Cir. 1993), No. 92-2209
Governing OSHA standard	29 CFR 1926.1101 for construction work, which defines thermal system insulation to include material applied to ducts; general industry work falls under 29 CFR 1910.1001
Current permissible exposure limit	0.1 fiber per cubic centimeter as an 8-hour time-weighted average — a limit that did not exist during the peak exposure decades

Who does Local 54 represent?

Local 54 represents sheet metal workers — the trade that designs, fabricates and installs the metal that moves air through a building and the metal that clads its exterior. The local's own description of its craft covers the design, manufacture and installation of duct and ventilation systems, architectural and specialized metal fabrication, and a four-year apprenticeship combining on-the-job training with classroom instruction. SMART's Houston recruiting materials describe the same work in market terms: industrial and large commercial HVAC ductwork, architectural wall panels, welding, shop fabrication and miscellaneous metal work. The collective bargaining agreement covering the local is titled for the sheet metal, roofing, ventilating and air conditioning contracting division, which is the formal statement of the same scope.

The production and building-trades split

The most consequential fact about this membership is that it is not one workforce. The regional council reported in Spring 2024 that Local 54's roughly 1,500 members are divided roughly evenly between production and the building trades.

Those are different working lives. Production members work in shops — fabricating duct, fittings, panels and assemblies from flat stock under a fixed roof, with a consistent employer, a fixed address and a controlled work environment. Building-trades members are dispatched to jobsites: mechanical rooms, ceiling plenums, chases, industrial process areas and equipment platforms, working in whatever conditions the site presents and alongside whatever other trades are working that day.

For asbestos purposes this distinction matters more than almost anything else on this page. Sheet metal asbestos exposure in the historical literature is overwhelmingly a field phenomenon — proximity to insulation, fireproofing and other trades' work — rather than a shop phenomenon. A member who spent a career in a fabrication shop and a member who spent a career in the field may have very different exposure histories despite carrying the same card, and two members who worked the same decades may reach very different conclusions when they investigate a claim. Neither result says anything about the other's honesty; it reflects a real difference in where the work was done.

How does Local 54 fit within the SMART structure?

SMART — the International Association of Sheet Metal, Air, Rail and Transportation Workers — is the successor to the Sheet Metal Workers' International Association (SMWIA), the international under whose name much of this local's documented history was made. Court filings from the early 1990s use the SMWIA name; current directories use SMART. Both refer to the same institutional line, which is worth knowing when searching for old records under the wrong name.

Since 2023, Local 54 has sat inside an additional layer. The Southwest Gulf Coast Regional Council adopted bylaws effective 22 September 2023, bringing Locals 54, 67, 68 and 214 under a single council covering Texas outside Local 49's territory, Louisiana, and Local 214's Mississippi territory. The council's bylaws state plainly that "No person shall be an employee of an affiliated Local Union." That single sentence explains what a reader will otherwise find confusing in the international's directory: Local 54's President, Business Manager, Financial Secretary-Treasurer, Recording Secretary and Business Representative seats are all listed vacant. They are not unfilled by accident. Under the council model, staffing sits at the council rather than at the local.

Armando Aguirre appears in the international's directory as Regional Manager for Local 54 — not as its President. The regional council's own Spring 2024 newsletter describes his history: a member since 1988, an instructor for roughly 24 years, and the local's president for about ten years before being appointed Regional Manager in October 2023. Secondary press coverage still occasionally uses the older title. For anyone trying to identify the right person to ask about records, the current title is Regional Manager and the current contact point is the council.

This structure matters for a practical reason that has nothing to do with union politics. When a member or a surviving family tries to reconstruct a work history thirty years after the fact, the records that matter — dispatch, referral, dues and benefit-hour records — were generated at the local and may now be administered at the council. Knowing which body holds them is often the difference between finding them and being told they do not exist.

Territory and jurisdiction

The SMART directory lists Local 54's jurisdiction as 24 Texas counties, centered on Harris County and extending across the greater Houston and Gulf Coast region — including Galveston, Brazoria, Fort Bend, Montgomery, Waller, Matagorda, Liberty and Walker counties among others. The multi-employer collective bargaining agreement covering the local describes jurisdiction reaching the Houston Ship Channel area.

That geography is the industrial heart of the Texas Gulf Coast: refineries and petrochemical plants along the Ship Channel and down the coast, power generation, institutional and healthcare construction, commercial high-rise, and the schools and public buildings of a metropolitan area of several million people. It is the same corridor worked by Pipefitters Local Union 211, Boilermakers Local 74, Millwright Local Union 2232, Insulators Local 22, Carpenters Local Union 551, LIUNA Local Union 350 and United Steelworkers Local 13-1 — and on a great many of those jobs the sheet metal crew was working in the same building, frequently in the same room, as several of them at once.

One caution belongs here, because it is the most common error made about pages like this one. The presence of a refinery, a shipyard or a NASA facility inside Local 54's counties establishes what kind of industrial market the local worked in. It does not establish that Local 54 members worked at any particular site. No verified project roster naming Local 54 at specific named worksites exists in the public record reviewed for this page, and this page does not assert one. A member's own employers and sites have to come from that member's own records.

Documented history

No charter or founding date for Local 54 could be established from the local's own site, the regional council's bylaws, the SMART directory, the Fifth Circuit opinion, or the collective bargaining agreements reviewed for this page. Rather than estimate one, this page states what is actually documented and when.

The clearest window into the local's mid-century institutional life comes from federal appellate litigation. In Sheet Metal Workers Local Union No. 54, AFL-CIO v. E.F. Etie Sheet Metal Co., 1 F.3d 1464 (5th Cir. 1993), the Fifth Circuit set out a bargaining history that reaches back two decades before the decision.

Period	Documented event
1974 onward	E.F. Etie Sheet Metal Co. joins the Houston Sheet Metal Contractors Association and authorizes association-wide bargaining with Local 54 — establishing the multi-employer structure that still governs the local's building-trades work
1982–1986	Recession and nonunion competition drive wage-relief bargaining; the parties' interest-arbitration clause sends the dispute to the National Joint Adjustment Board
1993	The Fifth Circuit issues its opinion in No. 92-2209, addressing enforcement of the arbitration award and the labor exemption from antitrust law
1 Apr 2022 – 31 Mar 2025	Multi-employer Houston Sheet Metal Contractors Association agreement in force, with SMOHIT among the named fringe contributions
22 Sept 2023	Southwest Gulf Coast Regional Council bylaws take effect; Local 54 becomes a council-governed local
Oct 2023	Armando Aguirre appointed Regional Manager after roughly ten years as the local's president
Spring 2024	The council newsletter reports approximately 1,500 members and identifies the Binford Road hall in Waller as a new location

The 1974 date is worth pausing on, because it is the earliest year this local's institutional record establishes with a citation — and it sits inside the exposure era. It is evidence of the bargaining relationship, not of the local's age; the local plainly predates it, by an interval no source consulted here establishes.

How were sheet metal workers exposed to asbestos?

This section is a summary. The full exposure account for this trade lives on the Sheet Metal Workers occupational profile, which covers the products, the fiber levels, the worksite categories and the documentation questions in detail.

The short version is that sheet metal workers were, for decades, a proximity trade. They did not typically install asbestos insulation, and the products their own craft required were not usually the asbestos-containing ones. What they did was work in the spaces where asbestos was being applied, disturbed or removed by others. The peer-reviewed mortality literature on this trade uses the phrase "largely indirect exposures" and finds significant excess asbestos-disease mortality all the same.

Three pathways account for most of it. The first is spray-applied fireproofing. Before the 1973 federal ban on spray-applied asbestos materials, structural steel in commercial buildings was routinely coated with sprayed asbestos, and duct installers worked in the ceiling spaces where that coating was applied, cured and later disturbed. The published screening literature identifies work alongside insulators applying spray-on asbestos as the trade's primary exposure route. The second is thermal system insulation. OSHA's construction standard defines thermal system insulation as asbestos-containing material applied to pipes, fittings, boilers, breeching, tanks and ducts — the last of which is the sheet metal worker's own product, and the rest of which surrounded it in every mechanical room and industrial process area. The third is renovation, maintenance and demolition. Exposure did not stop at the 1973 ban, because the material stayed in the buildings. A worker cutting into an existing ceiling, replacing a run of duct or servicing equipment in a pre-1980 building was working in installed asbestos, and the published research on this trade states directly that exposure continues during maintenance, renovation and repair.

For Local 54 specifically, that pathway map applies to field work. Members whose careers were spent in production shops were, as a general matter, not working adjacent to insulators, fireproofers or pre-1980 building systems in the same way. This is why the shop-versus-field distinction discussed above is the first question worth asking about any Local 54 member's history — not the last.

What does the research show?

Every figure in this section is from national or North American screening cohorts of sheet metal workers. No cohort study limited to Local 54 exists, and none of these numbers is a Local 54 rate. They describe the trade this local's members work in. They do not describe this local.

The research base is unusually good for a building trade, because the industry built its own. In 1985 the Sheet Metal Workers' International Association and the Sheet Metal and Air Conditioning National Association jointly formed the Sheet Metal Occupational Health Institute Trust (SMOHIT) to examine the health hazards of the trade in the United States and Canada, and its screening program has generated three decades of peer-reviewed follow-up.

Study	Finding (national cohort)
Dement, Welch, Haile & Myers, American Journal of Industrial Medicine, 2009	17,345 workers with 20 or more years in the trade, followed 1986–2004. All-cause standardized mortality ratio 0.83 (95% CI 0.80–0.85) — a healthy-worker deficit — with statistically significant excess mortality for pleural cancers, mesothelioma and asbestosis. The authors conclude the study "contributes to the literature demonstrating asbestos-related diseases among workers with largely indirect exposures"
Same cohort, mortality ratios by latency	In the same national cohort followed to December 31, 2010, mesothelioma standardized mortality ratios by years since entering the trade were 7.54 at 20–29 years, 6.43 at 30–39, 9.84 at 40–49, and 6.12 at 50 or more. The asbestosis ratio over that same 1986–2010 follow-up was 11.74. The research team's own Key Findings summary states that sheet metal workers with twenty or more years at the trade were "seven times more likely to die from mesothelioma or pleural cancers" and "twelve times more likely to die of asbestosis" than the average American worker
Welch & Haile, American Journal of Industrial Medicine, 2009	18,211 workers examined 1986–2004. At first examination, 9.6% (1,745) had findings consistent with parenchymal disease and 21% (3,827) had pleural scarring. Among those with clean baseline films who returned, 5.3% had developed parenchymal disease by the second examination and a further 12.4% had developed pleural scarring. The authors conclude that "asbestosis is still occurring 50 years after first exposure"
West, Sokas & Welch, American Journal of Industrial Medicine, 2019	26,397 sheet metal workers examined 1986–2016. Parenchymal disease prevalence was 17.4% among those who started in the trade before 1950 versus 0.8% among those who started after 1973 — an adjusted prevalence odds ratio of 26.65 (95% CI 18.46–38.46). Each additional year of later entry after 1973 was associated with roughly 12.7% lower odds of asbestos-related disease

Two things follow from that table, and they pull in opposite directions.

The first is that the regulations worked. A worker who entered this trade after 1973 has a dramatically lower risk of asbestos-related disease than one who entered before 1950, and the 2019 authors present that finding as evidence for the value of regulatory intervention. Nothing on this page describes how sheet metal work is performed today.

The second is that the exposure that already happened is still producing disease. The 2009 radiographic study found new asbestosis appearing fifty years after first exposure, and mesothelioma mortality in the mortality cohort was most elevated in the 40-to-49-year latency band. A Local 54 member who worked the field in the 1960s, 1970s or early 1980s is inside that window now.

SMOHIT screening

The Sheet Metal Occupational Health Institute Trust is not an outside program. It is jointly sponsored by the international union and the contractors' association, and — for Local 54 specifically — SMOHIT appears as a named contribution line in the fringe package of the 2022–2025 Houston multi-employer agreement. Members covered by that agreement have been paying into asbestos screening through their own contract.

The screening program was established in 1985 to examine the health hazards of the sheet metal industry in the United States and Canada, and the peer-reviewed cohorts drawn from it have generally comprised workers with 20 or more years in the trade, examined periodically. Screening in this context means a chest radiograph read against International Labour Office criteria, together with breathing tests and a work and smoking history — the same instruments that produced the findings in the section above.

This page does not assert that Local 54 currently hosts screening examinations at its hall. That was not verifiable from the sources reviewed. What is verifiable is that the program exists, that it is funded through this local's contract, and that current information about eligibility and locations comes from SMOHIT directly.

There is a straightforward reason for a member to care about this beyond his own health. A radiograph read under ILO criteria, taken years before any symptom appears, is a dated medical record establishing asbestos-related change. If a claim is ever made, that record is evidence — and it is evidence that cannot be created retroactively.

What compensation is available to Local 54 members?

There are generally three channels, and they are not mutually exclusive. None of them involves suing the union.

Asbestos bankruptcy trusts. Manufacturers of asbestos products entered bankruptcy and funded trusts to pay current and future claims. In the most recent federal accounting, the Government Accountability Office reported approximately $37 billion in total assets held across about 60 trusts as of 2011 — a 2011 snapshot of assets then held, not a measure of what remains available today. Trust claims are administrative rather than adversarial: they are filed on paper against each trust's own published criteria, typically resolve in months rather than years, and require no court appearance. A sheet metal worker with a long field career across many signatory contractors is frequently eligible against a wide set of trusts, because the exposure was to whatever insulation and fireproofing happened to be on whatever site he was dispatched to. See Asbestos Trust Funds.

Civil claims against solvent manufacturers. Manufacturers that made asbestos products and remain solvent, or that carry liability insurance from the relevant period, can be sued directly. In Texas these claims run through Chapter 90 of the Civil Practice and Remedies Code, which requires a physician's report meeting statutory medical criteria before an asbestos claim proceeds. The limitations rule is unusual and worth understanding early: under §16.0031, a cause of action for asbestos-related injury accrues on the earlier of the exposed person's death or the date the claimant serves a report complying with §90.003 or §90.010(f) — not on the date of diagnosis. That is a different clock than most personal-injury claims run on, and it is the single most common source of confusion about Texas asbestos deadlines.

VA benefits for veterans. Many building-trades members served in the Navy, Merchant Marine or Army before entering the trade, and shipboard and shipyard service carried heavy asbestos exposure. Mesothelioma is not a PACT Act presumptive condition. A service-connected claim is built under the M21-1 nexus framework: documented in-service asbestos exposure — established through ship manifests, military occupational specialty, or duty-station records — plus a medical nexus opinion from a physician connecting the exposure to the diagnosis. Those same service records frequently do double duty, supporting both the VA claim and a trust claim.

Documenting a Local 54 work history

The reconstruction problem for this local is specific: one hall, 24 counties, a multi-employer association, and a career that may span a dozen signatory contractors. That breadth is an advantage in a trust claim, because more employers and more sites mean more products and more trusts a claim can reach. It is a disadvantage in the paperwork, because no single employer holds the record.

The documents that carry the most weight:

• Union dispatch and referral records. Which contractor a member was referred to, and when. These establish employer, site and date range in one place, and under the council structure described above it is worth asking the council as well as the local.
• Social Security earnings statements. A complete SSA earnings history lists every employer that paid into the system on the worker's behalf, in order, by year. For a member with many signatory contractors over decades, this is frequently the backbone of the entire work history.
• Benefit and pension fund records. Hours reported to the national pension, health and welfare, or training funds can corroborate employers and periods where employment records no longer exist.
• SMOHIT screening records. If a member participated, the dated radiograph and ILO reading are contemporaneous medical evidence.
• Co-worker recollection. Sheet metal crews worked alongside insulators, pipefitters, boilermakers and millwrights. Members of those trades who worked the same buildings can often establish conditions and product presence.
• Shop versus field. Establishing which side of the local's split a member worked, and when he moved between them, frames everything else.

Families should preserve these records even when a diagnosis is only suspected. They are far harder to obtain later.

A note on Local 54 and Danziger & De Llano. Senior Advocate Larry Gates at Danziger & De Llano grew up in this jurisdiction — born and raised near the refineries in Pasadena, Texas. His father worked at Shell, where he trained as an instrument technician and chemical operator, and was diagnosed with mesothelioma in 1999; he died within months. Larry has spent his career helping Gulf Coast building-trades families work through the trust and litigation systems that exist precisely because of work histories like his father's. His advocacy work is described at dandell.com.

Frequently Asked Questions

Is Local 54 responsible for its members' asbestos exposure?

No. The local did not manufacture, sell or specify asbestos-containing products. Liability rests with the manufacturers that made and sold asbestos insulation, fireproofing, cement products, gaskets and packing while aware of the health risks. A member or family pursuing compensation is not suing the union.

I worked in the shop, not the field. Does that change anything?

It may change a great deal. Local 54's membership divides roughly evenly between production and building trades, and the documented asbestos exposure pathways for this craft — spray fireproofing, thermal system insulation, renovation and demolition — are field pathways. A career spent entirely in a fabrication shop is a different exposure history than a career spent on jobsites. Many members worked both at different points, which is why the dates of the move between them matter.

I was a sheet metal worker, not an insulator. I never handled asbestos. Do I still have a claim?

Possibly. The peer-reviewed mortality literature on this trade describes its asbestos exposures as largely indirect and still finds significant excess mortality from mesothelioma, pleural cancer and asbestosis in a national cohort of 17,345 workers. Never having handled the material personally is the normal fact pattern for this trade, not a disqualifying one.

Are these disease rates Local 54's rates?

No, and this is worth stating plainly. Every figure on this page comes from national screening cohorts of sheet metal workers across the United States and Canada. No study limited to Local 54 exists. The national research establishes what the trade's risk looks like; it says nothing about any individual local or any individual member.

I worked for eight different contractors across five counties. Is that a problem?

It is a documentation burden and a claims advantage at the same time. More employers and more sites generally mean more identifiable products and more trusts a claim can reach. The work of assembling it usually starts with a complete Social Security earnings history, which lists employers in order by year, and then works outward to union and fund records.

My father was a Local 54 member and died years ago. Can the family still recover?

Often, yes. Trust claims and wrongful-death claims can be brought by surviving family members, and trust claims in particular are document-driven rather than testimony-driven. Texas limitations rules for asbestos claims turn on statutory accrual under §16.0031 rather than on the ordinary discovery rule, so the deadlines are worth checking specifically rather than assumed.

Are sheet metal workers still being exposed to asbestos today?

At dramatically lower rates. Workers entering the trade after 1973 show a parenchymal disease prevalence of 0.8%, against 17.4% for those who entered before 1950. But the material remains in place in older buildings, and the published research states that exposure continues during maintenance, renovation and repair — which is why the OSHA construction standard, its 0.1 f/cc limit and its work-class rules apply to this trade today.

External Links

• SMART Local 54 — the local's official website.
• Southwest Gulf Coast Regional Council — the regional council governing Locals 54, 67, 68 and 214.
• SMART International — International Association of Sheet Metal, Air, Rail and Transportation Workers.
• SMOHIT — the Sheet Metal Occupational Health Institute Trust, which administers the trade's asbestos screening program.
• Asbestos — Occupational Safety and Health Administration.
• Danziger & De Llano — Texas-based mesothelioma firm representing Gulf Coast building trades since 1996.
• Larry Gates, Senior Advocate — Danziger & De Llano; contact (855) 699-5441.

Related Pages

• Sheet Metal Workers — the occupational profile for this trade, with the full asbestos exposure account
• HVAC Technicians — adjacent trade working the same building systems
• Asbestos HVAC — asbestos in heating, ventilation and air conditioning systems
• Pipefitters Local Union 211 — Houston pipefitters, frequently on the same jobsites
• Insulators Local 22 — the trade whose work created much of the sheet metal exposure pathway
• Boilermakers Local 74 — Gulf Coast boilermakers
• Millwright Local Union 2232 — Gulf Coast millwrights
• Carpenters Local Union 551 — Houston carpenters
• LIUNA Local Union 350 — Houston and eastern Texas construction and pipeline laborers
• United Steelworkers Local 13-1 — Houston-area refinery and petrochemical workers
• Asbestos Trust Funds — how bankruptcy trust claims work