Select your trade union below to reach the trade-specific asbestos exposure archive — Local roster, workplaces, disease profile, and documented ACM product vectors — hosted on the dedicated MesoWatch trade-vertical site for that trade.

Construction Trades — Asbestos Exposure Archives

Insulators, Boilermakers, Bricklayers — high-refractory-exposure trades

  • Heat & Frost Insulators (HFIAW) — the trade with the highest documented occupational mesothelioma incidence in U.S. federal health research. Pipe covering, block insulation, boiler lagging.
  • Boilermakers (IBB) — pressure vessel welding + refractory brick installation in fossil, nuclear, marine, and industrial boilers. 42 IBB Locals indexed.
  • Bricklayers (BAC) — refractory brick + castable + gunning-mix relining at integrated steel mills, cement kilns, aluminum potlines, glass tanks, refinery process heaters.

Pipefitters, Sheet Metal, Iron Workers — mechanical + structural trades

  • UA Pipefitters, Steamfitters & Plumbers — asbestos pipe covering + asbestos gaskets + asbestos-packed valve stems across every industrial + institutional facility. 70 UA Locals across 9 network states.
  • Sheet Metal Workers (SMART) — asbestos-cement duct board, asbestos-fabric duct wrap, and sprayed asbestos fireproofing overhead on HVAC installation. 89 SMART Locals indexed.
  • Iron Workers (IW / IABSORIW) — the trade connected to structural steel WHILE sprayed asbestos fireproofing was applied around them. Bridges, high-rise, refinery + power plant + steel mill construction.

Electricians + Operators — utility + heavy-equipment trades

  • IBEW Electrical Workers — asbestos-fabric arc chute plates in switchgear, asbestos winding insulation on motors + transformers, asbestos-fiber cable jackets. IBEW was founded in St. Louis MO in November 1891 — Local 1 St. Louis holds the historic founding jurisdiction.
  • IUOE Operating Engineers — heavy-equipment brake bands + clutch friction on bulldozers/cranes/haul trucks, and stationary engineer exposure to asbestos pipe covering + asbestos-block lagging in industrial powerhouses.

Retiree Resources by Local (Umbrella Site)

The retiree-specific Local pages hosted on this umbrella site provide condensed retiree-club + occupational-health-crosswalk resources organized by Local:

For the full trade-specific asbestos exposure history — including Local rosters across the 10-state MesoWatch network, workplace categories, disease profile, and documented ACM product vectors — follow the trade-vertical site links in the section above.

O’Brien Law Firm Consultation

If you or a family member is a retired member of any of these trades and has been diagnosed with mesothelioma, asbestos lung cancer, asbestosis, or another asbestos-related disease, you may have a legal claim.

Free, confidential case evaluation: Speak with O’Brien Law Firm — (314) 237-3332