Unlike a single-product specialty trade, IBEW electrical workers were typically employed in one of several ways during the asbestos era, and a complete work history usually involves more than one:

  1. NECA signatory electrical contractors — construction-phase employers (National Electrical Contractors Association member shops) that dispatched inside wiremen to wire new power plants, refineries, hospitals, commercial buildings, and industrial facilities, installing switchgear, motor control centers, conduit, and cable.
  2. Electric utilities (direct-hire) — many outside linemen, substation electricians, and cable splicers were employed directly by the power utility as construction and maintenance staff for transmission, distribution, and substation work.
  3. Industrial-plant electrical maintenance departments — steel mills, refineries, chemical plants, and auto plants employed IBEW members directly as in-house maintenance electricians and motor-rewind mechanics, especially for the recurring outage and rewind work where much of the asbestos exposure occurred.
  4. Motor-rewind and electrical-apparatus shops — captive and independent shops that stripped, rewound, and re-varnished motors, generators, and transformers using asbestos-fabric winding insulation.
Why this matters for an electrical worker with mesothelioma: If you worked through an IBEW Local in the 1950s, 1960s, or 1970s, your employer — whether a NECA contractor, a utility, or an industrial plant — is one of the documented links between your work and the asbestos-containing electrical equipment (arc chute plates, winding insulation, cable jackets) and adjacent pipe covering you worked around. Union dispatch records, W-2s, and Social Security earnings statements help establish which employer sent you to which job, in which years — which in turn helps identify which equipment and materials were on-site per the litigation record for that facility.

The real defendants are usually the equipment makers

For electrical workers, the documented asbestos exposure most often traces not to a specialty contractor but to the manufacturers of the electrical equipment itself — the switchgear, breakers, motors, transformers, and cable that contained asbestos components. Those manufacturers (Westinghouse, General Electric, Federal Pacific, Square D, I-T-E, Cutler-Hammer, Okonite, General Cable, Anaconda, Ohio Brass, Lapp Insulator, and others) are documented on the Asbestos Products page, cross-linked to the AsbestosIndex manufacturer archive.

This site does not maintain an independent roster of electrical contractor companies — the accurate employer history for a specific electrical worker is best established through that individual’s own union dispatch records, not a generic company list, because electrical contractors operated regionally and changed names, merged, or dissolved frequently across the asbestos era.

Why your Local’s dispatch records matter

For an IBEW member, the Local Unions directory is the more reliable starting point than any generic contractor list:

  • Dispatch records — your Local’s hiring hall kept (and often still retains) records of which contractor you were referred to and when
  • Apprenticeship records — establish your trade timeline and the contractors your JATC training program worked with
  • Pay stubs, W-2s, and Social Security earnings statements — independently confirm which employer paid you in which years

An experienced asbestos attorney uses these records — not a generic contractor roster — to build the specific chain from your union card to your jobsite history to the equipment and materials documented at that jobsite.


Why This Matters in Your Documentation

A complete asbestos-exposure history typically requires both:

  1. The job sites where you worked (the power plants, refineries, hospitals, factories — see the Workplaces section)
  2. The contractor, utility, or plant that employed you at those sites (your Local’s dispatch records)

For each job, asbestos-attorney case preparation typically asks:

  • Which contractor, utility, or plant employed you, and dispatched you through which Local?
  • What years did you work there?
  • Which equipment — switchgear, motors, transformers, cable — did you install or maintain on that job?
  • Were other trades (insulators, boilermakers, pipefitters) also working on-site?

See the Trust Funds section for documentation requirements per trust, and the Local Unions section for resources on retrieving historical union dispatch records.


References to contractors, companies, and facilities reflect what has been alleged or documented in publicly filed asbestos litigation and union archives. This list is not exhaustive and inclusion does not constitute any finding of fact or liability. This site does not provide legal or medical advice. No attorney-client relationship is created by use of this site.