Establishment profile
MATRIX SERVICE INC
8305 OTTO DRIVE, CHEYENNE, WY, 82001
Operated by MATRIX SERVICE CO · 1 of 41 establishments
811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Summary
MATRIX SERVICE INC has accumulated 0 OSHA violations across 1 inspection over 13 years of recorded history.
The most recent federal enforcement activity was recorded 13 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
MATRIX SERVICE INC appears in OSHA workplace safety and MSHA mine safety records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 8113 within WY. Peer group: 17 employers. This establishment has 0 OSHA violations; peer median is 5.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for MATRIX SERVICE INC. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for MATRIX SERVICE INC. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 13+ years. Most recent activity: 13 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for MATRIX SERVICE INC. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in WY — for MATRIX SERVICE CO, not this location alone
Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other MATRIX SERVICE CO operations in the same state.
MSHA citations
Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 5 citations · 1S&S · 5 contractor · $4,229 proposed / $4,229 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 8752155 | American Soda LLC Sweetwater, WY contractor: Matrix Service Inc | Jan 2015 | — | No | ModNegligence | $3,689 | $3,689 |
| 8752569 | American Soda LLC Sweetwater, WY contractor: Matrix Service Inc | Jan 2015 | — | No | ModNegligence | $224 | $224 |
| 8752070 | Big Island Mine & Refinery Sweetwater, WY contractor: Matrix Service Inc | May 2014 | — | No | ModNegligence | $108 | $108 |
| 8586584 | American Soda LLC Sweetwater, WY contractor: Matrix Service Inc | Jun 2013 | — | Yes | ModNegligence | $108 | $108 |
| 8751674 | Big Island Mine & Refinery Sweetwater, WY contractor: Matrix Service Inc | Nov 2013 | — | No | LowNegligence | $100 | $100 |
Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for MATRIX SERVICE INC. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for MATRIX SERVICE INC. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for MATRIX SERVICE INC. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for MATRIX SERVICE INC. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2012-09-24 | Complaint | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
MATRIX SERVICE INC is one of 41 establishments rolled up under the parent organization MATRIX SERVICE CO.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of MATRIX SERVICE CO across all 41 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance within WY, ordered by federal enforcement volume:
- ELITE INDUSTRIAL, LLCGILLETTE — 2 federal enforcement records
- BLACK ROCK MINE SERVICEGILLETTE — 2 federal enforcement records
- AACME INDUSTRIAL SERVICES LLCGILLETTE — 2 federal enforcement records
- ENSIGN UNITED STATES DRILLING INCCASPER — 1 federal enforcement record
- ARNOLD MACHINERY COALTA — 1 federal enforcement record
- P C INDUSTRIES, LLCAFTON — 1 federal enforcement record
- TOWN OF WHEATLAND CITY SHOPWHEATLAND — 1 federal enforcement record
- SPENCER WELDING INCRIVERTON — 1 federal enforcement record
- TCM WELDING SERVICE LLCCASPER — 1 federal enforcement record
- TOROMONT ENERGY SYSTEMS INCCASPER — 1 federal enforcement record
Other locations under this parent
Other establishments operated by MATRIX SERVICE CO, ordered by federal enforcement volume:
- Matrix ServiceOrange, CA — 3 federal enforcement records
- MATRIX SERVICE INC.NEWBERRY SPRINGS, CA — 2 federal enforcement records
- MATRIX SERVICE INCCARSON, CA — 2 federal enforcement records
- MATRIX SERVICE INCWILMINGTON, CA — 2 federal enforcement records
- MATRIX SERVICE, INC.PORTOLA, CA — 2 federal enforcement records
- MATRIX SERVICE INCEL SEGUNDO, CA — 2 federal enforcement records
- MATRIX SERVICE INCSAN DIEGO, CA — 2 federal enforcement records
- MATRIX SERVICE INCPORTLAND, OR — 1 federal enforcement record
- MATRIX SERVICEMT. ENTERPRISE, TX — 1 federal enforcement record
- MATRIX SERVICE INC.ST JAMES, LA — 1 federal enforcement record
Related searches
- All MATRIX SERVICE CO locationsParent rollup
- Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceAll employers in this industry
- Employers in WYState-wide enforcement data
- Commercial and Industrial in WYIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on MATRIX SERVICE INC from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup MATRIX SERVICE CO, which operates 41 establishments in our dataset.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
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Contact sales →Frequently asked
- What is MATRIX SERVICE INC's OSHA violation history?
- MATRIX SERVICE INC has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does MATRIX SERVICE INC's safety record compare to its industry?
- MATRIX SERVICE INC operates in the commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance industry. The industry average Total Recordable Incident Rate (TRIR) is 2.4.