# Other Building Equipment Contractors

> National industry (NAICS 238290) — This industry comprises establishments primarily engaged in installing or servicing building equipment (except electrical, plumbing, heating, cooling, or ventilation equipment).  The repair and maintenance of miscellaneous building equipment is included in this industry.  The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Automated and revolving door installation
Lightning protection equipment (e.g., lightning rod) installation
Boiler and pipe insulation installation
Machine rigging
Commercial-type door installation
Millwrights
Conveyor system installation
Revolving door installation
Overhead door, commercial- or industrial-type, installation
Dismantling large-scale machinery and equipment
Elevator installation
Satellite dish, household-type, installation
Escalator installation
Vacuum cleaning system, built-in, installation
Gasoline pump, service station, installation


Cross-References. Establishments primarily engaged in--

- **NAICS code:** 238290
- **Canonical URL:** https://singulariki.com/industries/238290
- **Frame:** "AI exposure" means task overlap, not jobs lost. Figures aggregate over the occupations employed in this industry, each traced to a named public dataset.

## Scale & pay

- **Employment (BLS OEWS, May 2024):** 153,560 across 137 occupations.
- **Typical annual wage (employment-weighted median):** $71,923.

## AI exposure

- **AI task-overlap (employment-weighted across 117 occupations):** 22nd percentile (Low) — Eloundou GPT-overlap + Felten AIOE; task overlap, not automation.

## Largest occupations

- Elevator and Escalator Installers and Repairers (https://singulariki.com/roles/role-47-4021-00) — 19,490 employed; $108,030
- Insulation Workers, Mechanical (https://singulariki.com/roles/role-47-2132-00) — 14,240 employed; $56,600
- Construction Laborers (https://singulariki.com/roles/role-47-2061-00) — 9,110 employed; $48,920
- Mechanical Door Repairers (https://singulariki.com/roles/role-49-9011-00) — 8,470 employed; $57,940
- First-Line Supervisors of Construction Trades and Extraction Workers (https://singulariki.com/roles/role-47-1011-00) — 8,370 employed; $82,780
- Millwrights (https://singulariki.com/roles/role-49-9044-00) — 8,150 employed; $64,510
- General and Operations Managers (https://singulariki.com/roles/role-11-1021-00) — 5,740 employed; $115,840
- Office Clerks, General (https://singulariki.com/roles/role-43-9061-00) — 4,530 employed; $47,800
- Sales Representatives of Services, Except Advertising, Insurance, Financial Services, and Travel (https://singulariki.com/roles/role-41-3091-00) — 3,570 employed; $78,580
- Insulation Workers, Floor, Ceiling, and Wall (https://singulariki.com/roles/role-47-2131-00) — 3,450 employed; $52,990
- Carpenters (https://singulariki.com/roles/role-47-2031-00) — 3,270 employed; $55,930
- First-Line Supervisors of Mechanics, Installers, and Repairers (https://singulariki.com/roles/role-49-1011-00) — 3,180 employed; $78,700
- Welders, Cutters, Solderers, and Brazers (https://singulariki.com/roles/role-51-4121-00) — 2,970 employed; $58,450
- Construction Managers (https://singulariki.com/roles/role-11-9021-00) — 2,920 employed; $103,510
- Riggers (https://singulariki.com/roles/role-49-9096-00) — 2,740 employed; $61,800
- Project Management Specialists (https://singulariki.com/roles/role-13-1082-00) — 2,560 employed; $84,350
- Bookkeeping, Accounting, and Auditing Clerks (https://singulariki.com/roles/role-43-3031-00) — 2,370 employed; $52,600
- Secretaries and Administrative Assistants, Except Legal, Medical, and Executive (https://singulariki.com/roles/role-43-6014-00) — 2,210 employed; $48,760
- Installation, Maintenance, and Repair Workers, All Other (https://singulariki.com/roles/role-49-9099-00) — 2,140 employed; $54,820
- Industrial Machinery Mechanics (https://singulariki.com/roles/role-49-9041-00) — 2,100 employed; $64,040

## Sources

- **O*NET** (30.3) — U.S. Department of Labor / National Center for O*NET Development. https://www.onetcenter.org/database.html
- **BLS Occupational Employment and Wage Statistics (OEWS)** (May 2024) — U.S. Bureau of Labor Statistics. https://www.bls.gov/oes/
- **Census NAICS** (2022) — U.S. Census Bureau. https://www.census.gov/naics/
- **Anthropic Economic Index** (v4 (2026-01-15) + v2 (2025-03-27)) — Anthropic. https://www.anthropic.com/economic-index
- **“GPTs are GPTs” (Eloundou et al.)** (arXiv 2303.10130) — OpenAI / academic. https://arxiv.org/abs/2303.10130
- **AI Occupational Exposure (AIOE)** (Felten, Raj & Seamans) — academic. https://github.com/AIOE-Data/AIOE

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_Generated from Singulariki's joined dataset; data snapshot 2026-06-03T03:26:54.804143+00:00. https://singulariki.com/industries/238290_