H.A. THOMPSON & SONS is a plumbing, heating, and air-conditioning contractors employer in HANKINSON, ND. Federal records show 1 OSHA inspection with 1 violation and $0 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 1, 2026.
H.A. THOMPSON & SONS
415 FIRST AVENUE SE, HANKINSON, ND, 58041
Parent: HA Thompson & Sons (3 locations)
238220 — Top companies in Plumbing, Heating, and Air-Conditioning Contractors
EIN: 450217948
2 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Labor Relations (NLRB)
Need API access, CSV upload, or PDF reports? Upgrade to Paid for $79/mo.
Inspection History
No inspection records found.
Related Searches
The FastDOL Report
Weekly workplace compliance news. Free.
Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
H.A. THOMPSON & SONS is one of 3 establishments in our dataset that roll up under the parent organization HA Thompson & Sons.
Federal enforcement records on H.A. THOMPSON & SONS represent activity at this specific establishment. The full enforcement footprint of HA Thompson & Sons across all 3 of its tracked locations is viewable on the parent profile.
Other establishments operated by HA Thompson & Sons
- H.A. THOMPSON & SONS — BISMARCK, ND — 1 federal record
- H.A. THOMPSON & SONS, INC. — MANDAN, ND — 1 federal record
Other employers in Plumbing, Heating, and Air-Conditioning Contractors within ND
- DICKINSON HEATING & AIR — DICKINSON — 2 federal records
- WRIGLEY MECHANICAL, INC. — ELLENDALE — 2 federal records
- CENTRAL MECHANICAL, INC. — BISMARCK — 1 federal record
- NORTHERN PLAINS EXCAVATING — BISMARCK — 1 federal record
- MANNING MECHANICAL, INC. — FARGO — 1 federal record
- PETERSON MECHANICAL, INC. — WAHPETON — 1 federal record
- CENTRAL MECHANICAL, INC. — DICKINSON — 1 federal record
- HOME HEATING, PLUMBING & AIR CONDITIONING, INC. — FARGO — 1 federal record
- J-BERD MECHANICAL — WILLISTON — 1 federal record
- LUNSETH PLUMBING & HEATING — GRAND FORKS — 1 federal record
Industry context
Within the plumbing, heating, and air-conditioning contractors industry in ND, H.A. THOMPSON & SONS ranks in the 67th percentile of OSHA violation frequency across 229 comparable establishments.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 3 for the plumbing, heating, and air-conditioning contractors sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.7.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 11 years.
Frequently Asked Questions
- What is H.A. THOMPSON & SONS's OSHA violation history?
- H.A. THOMPSON & SONS has 1 OSHA inspection on record with 1 violation and $0 in total penalties.
- How does H.A. THOMPSON & SONS's safety record compare to its industry?
- H.A. THOMPSON & SONS operates in the plumbing, heating, and air-conditioning contractors industry. The industry average Total Recordable Incident Rate (TRIR) is 3.
About this data
This profile aggregates federal enforcement records on H.A. THOMPSON & SONS of HANKINSON, ND from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, NLRB labor relations cases, and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026. H.A. THOMPSON & SONS resolves to the parent rollup HA Thompson & Sons, which operates 3 establishments in our dataset.
This profile may be incomplete if H.A. THOMPSON & SONSoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.