KOYKER MANUFACTURING is a farm machinery and equipment manufacturing employer in LENNOX, SD. Federal records show 3 OSHA inspections with 7 violations and $6,995 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 3, 2026.
KOYKER MANUFACTURING
200 NORTH CLEVELAND AVENUE, LENNOX, SD, 57039
Parent: Sioux Steel Company (4 locations)
333111 — Top companies in Farm Machinery and Equipment Manufacturing
42 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Environmental Compliance (EPA)
Motor Carrier Safety (FMCSA)
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Inspection History
No inspection records found.
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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
KOYKER MANUFACTURING is one of 4 establishments in our dataset that roll up under the parent organization Sioux Steel Company.
Federal enforcement records on KOYKER MANUFACTURING represent activity at this specific establishment. The full enforcement footprint of Sioux Steel Company across all 4 of its tracked locations is viewable on the parent profile.
Other establishments operated by Sioux Steel Company
- SIOUX STEEL COMPANY — LENNOX, SD — 1 federal record
- SIOUX STEEL COMPANY — SIOUX FALLS, SD — 1 federal record
- SIOUX STEEL COMPANY — SIOUX FALLS, SD
Other employers in Farm Machinery and Equipment Manufacturing within SD
- FIMCO, INC. — NORTH SIOUX CITY — 2 federal records
- MDS MANUFACTURING CO., INC. — PARKSTON — 2 federal records
- SIOUX STEEL COMPANY — SIOUX FALLS — 1 federal record
- RMS ROLLER GRINDER, INC. — TEA — 1 federal record
- SYDELL, INC. — BURBANK — 1 federal record
- WILSON TRAILER COMPANY — YANKTON — 1 federal record
- FARM AID EQUIPMENT, INC. — CORSICA — 1 federal record
- MACKSTEEL WAREHOUSE, INC. — WATERTOWN — 1 federal record
- SIOUX STEEL COMPANY — LENNOX — 1 federal record
- RMS ROLLER-GRINDER, INC. — TEA — 1 federal record
Industry context
Within the farm machinery and equipment manufacturing industry in SD, KOYKER MANUFACTURING ranks in the 87th percentile of OSHA violation frequency across 46 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 87th percentile of the same peer group. Inspection frequency ranks in the 82th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 4.4 for the farm machinery and equipment manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.5. KOYKER MANUFACTURING's self-reported DART rate is 5.14, which is above the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 13 years.
Frequently Asked Questions
- What is KOYKER MANUFACTURING's OSHA violation history?
- KOYKER MANUFACTURING has 3 OSHA inspections on record with 7 violations and $6,995 in total penalties.
- How does KOYKER MANUFACTURING's safety record compare to its industry?
- KOYKER MANUFACTURING operates in the farm machinery and equipment manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4.4. KOYKER MANUFACTURING's self-reported DART rate is 5.14 compared to an industry average of 2.5.
About this data
This profile aggregates federal enforcement records on KOYKER MANUFACTURING of LENNOX, SD from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, EPA ECHO environmental compliance, FMCSA motor carrier safety, and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, NLRB, OFLC, OFCCP, 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 3, 2026. KOYKER MANUFACTURING resolves to the parent rollup Sioux Steel Company, which operates 4 establishments in our dataset.
This profile may be incomplete if KOYKER MANUFACTURINGoperates 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.