Top 10 South Dakota Employers by OSHA Inspections (2026)

The ten South Dakota employers with the most OSHA inspections on record in the current enforcement window — with violation counts, penalty totals, and links to each full inspection record.

By Marcus ChenOSHA Compliance Analyst·June 5, 2026·2 min read

a woman in a blue scrub suit and a man in a blue scrub suit — Photo by CDC on Unsplash

South Dakota accounts for 1,434 employers with at least one OSHA inspection on record — 1,960 inspections in total, 48 citations, and $74,448 in proposed penalties. Here's where that enforcement activity concentrates.

The 10 most-inspected South Dakota employers

H & W Contracting, Llc — Mitchell, SD · 10 inspections, 0 violations
Winter Contracting, Llc — Dell Rapids, SD · 9 inspections, 0 violations
T & R Contracting, Inc. — Sioux Falls, SD · 9 inspections, 0 violations
Siteworks, Inc. — Sioux Falls, SD · 9 inspections, 0 violations
Agtegra Cooperative — Wolsey, SD · 8 inspections, 0 violations
Smithfield Packaged Meats Corp. — Sioux Falls, SD · 8 inspections, 0 violations
Premier Systems, Inc. — Sioux Falls, SD · 8 inspections, 0 violations
Reynolds Construction Management Services, Inc. — Sioux Falls, SD · 7 inspections, 0 violations
Mitchell Roofing & Siding, Llc — Mitchell, SD · 7 inspections, 0 violations
Pro Framing, Inc. — Sioux Falls, SD · 7 inspections, 0 violations

South Dakota employers with the largest penalty totals

A different cut of the same data — the employers carrying the largest cumulative penalty assessments in South Dakota:

Chs Inc., D/B/A Chs Inc. Of Minnesota Dba Chs River Plains — Onida · $14,895 across 1 inspection
Rivera Roofing — Watertown · $8,086 across 1 inspection
Steel Building Services, Inc. — Sioux Falls · $6,800 across 2 inspections
Autozone Parts, Inc. — Rapid City · $6,029 across 1 inspection
Westover Masonry, Llc — Brookings · $6,000 across 3 inspections

Where in South Dakota OSHA inspects most

City-level concentration tells you which metros generate the bulk of South Dakota's enforcement activity:

Sioux Falls — 738 inspections across 504 employers
Rapid City — 161 inspections across 131 employers
Tea — 85 inspections across 51 employers
Watertown — 76 inspections across 56 employers
Brookings — 65 inspections across 45 employers

Research a specific South Dakota employer

The South Dakota state page lists every city with OSHA-inspected employers and links through to each one. If you're hiring a contractor or evaluating a job offer in South Dakota, pulling the specific employer's record is the most direct way to use this data.

For nationwide context, see The 10 U.S. states with the most OSHA violations on record and The 10 most-inspected U.S. employers.