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Establishment profile

TWIN DISC INCORPORATED

4600 21ST ST., RACINE, WI, 53405
Operated by TWIN DISC INC · 1 of 4 establishments
333613Mechanical Power Transmission Equipment Manufacturing
EIN 390667110

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OSHA inspections
14
over 26 years
Violations
31
$40,368 in penalties
Penalties
$40,368
$1,302 avg
Violations across 2 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues across functions.
Accident investigations on record
5 National Emphasis Program inspections

Summary

TWIN DISC INCORPORATED has accumulated 31 OSHA violations across 14 inspections over 26 years of recorded history, with $40,368 in total assessed penalties.

The establishment sits in the 90th percentile for violations within its industry-state peer group of 40 employers. Inspection frequency runs at the 97th percentile. The most recent enforcement activity was recorded 7 years ago.

Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.

Agency coverage

TWIN DISC INCORPORATED appears in OSHA workplace safety, NLRB labor relations, and FMCSA motor carrier registration records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, OFLC visa and labor certification (historical), SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.

OSHA workplace safety

Inspections
14
0.5 / yr · last 26 yrs
Violations
31
1.2 / yr
Penalties
$40,368
$1,302 avg / violation
58% serious42% other
Inspection trigger · complaint
12 of 14
Inspection trigger · referral
1 of 14

71% of inspections at this establishment produced violations, with 9 inspections producing serious-or-greater violations.

Most-cited OSHA standards

Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 20 distinct standards shown · 25 citations in this view · $40,368 in penalties.

CFR sectionCitationsInspectionsTotal penaltyFirst citedLast cited
29 CFR 1910.0212 A0133$6,488Feb 2004Jun 2011
29 CFR 1910.0303 G0122$3,050Feb 2004May 2005
29 CFR 1910.0147 C06 I22$1,875Aug 2004Jun 2011
29 CFR 1910.1025 L01 I22$788Nov 2002Apr 2009
29 CFR 1910.0212 A03 II11$3,000May 2005May 2005
29 CFR 1910.0332 B0111$3,000Aug 2004Aug 2004
29 CFR 1910.0067 C02 V11$3,000Aug 2004Aug 2004
29 CFR 1910.0335 A01 I11$3,000Aug 2004Aug 2004
29 CFR 1910.0333 A0211$3,000Aug 2004Aug 2004
29 CFR 1910.0147 C07 I11$2,625Aug 2004Aug 2004
29 CFR 1910.0147 F02 I11$1,875Aug 2004Aug 2004
29 CFR 1910.0147 D11$1,400Apr 2009Apr 2009
29 CFR 1910.0178 L04 III11$1,400Apr 2003Apr 2003
29 CFR 1910.0335 B0111$1,125Aug 2004Aug 2004
29 CFR 1910.1200 H02 I11$1,050Apr 2003Apr 2003
29 CFR 1910.0141 A03 I11$1,000May 2005May 2005
29 CFR 1910.0334 C0111$1,000Aug 2004Aug 2004
29 CFR 1910.1200 F05 II11$893Aug 2003Aug 2003
29 CFR 1910.0242 B11$800Apr 2009Apr 2009
29 CFR 1910.0305 B01 II11Apr 2009Apr 2009

Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.

Peer comparison

90th

Worse on violations than most other employers in NAICS 3336 within WI. Peer group: 40 employers. This establishment has 31 OSHA violations; peer median is 4.

Fewer violationsMore violations
Penalty percentile
92nd
peer median: $3,735
Inspection frequency
97th
peer median: 2

Safety self-report (OSHA 300A)

Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.

DART rate
1.5
vs industry
−1.1
TRIR
2.5
vs industry
−1.5

Reported for 220 average annual employees at this establishment.

Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.

Industry benchmark

Industry avg TRIR
4.0
BLS SOII 2024
Industry avg DART
2.6
BLS SOII 2024
Self-reported TRIR
2.5
OSHA ITA Form 300A (employer self-reported)

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
12
Referral
1

Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.

OSHA severe injury reports

Self-reported events under 29 CFR 1904.39 (24-hour notification of hospitalization, amputation, or loss of an eye) · Jan 2018 – Feb 2019

Reports
2
Hospitalizations
1
Amputations
1
Eye losses
0

Most frequent event: Caught in running equipment or machinery during regular operation

Source: OSHA Severe Injury Reports (federal OSHA only; state-plan states like California, Oregon, and Washington maintain their own programs and do not consistently report into this feed).

Severe injury reports — events

Each row is a hospitalization, amputation, or eye-loss event the employer self-reported to OSHA under 29 CFR 1904.39. Narratives are written by the reporting employer.

DateEventBody partOutcome
Feb 20, 2019Struck by object or equipment dropped by injured workerFingertip(s)Amputation
Jan 3, 2018Caught in running equipment or machinery during regular operationHand(s), unspecifiedHospitalized

Source: OSHA Severe Injury Reports. Federal-OSHA jurisdiction only by default; some state-plan programs report voluntarily.

Activity timeline

Data refreshed
Weekly
First OSHA inspection
Most recent activity
7 years ago

No federal enforcement activity has been recorded against this establishment in 7+ years. Most recent activity: 7 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 TWIN DISC INCORPORATED. Verify directly with Wage and Hour Division

Mine safety (MSHA)

No MSHA mine safety violations on file for TWIN DISC INCORPORATED. Verify directly with Mine Safety and Health Administration

Labor relations (NLRB)

Company-level in WI — for TWIN DISC INC, not this location alone

Total cases
1
Unfair labor practice
1

National Labor Relations Board — unfair labor practice charges and union representation cases. The NLRB records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other TWIN DISC INC locations in the same state.

NLRB cases

National Labor Relations Board cases involving this employer. Includes unfair labor practice (ULP) filings and representation election proceedings. NLRB enforcement is process-driven; no per-case monetary penalty is assessed (remedies are case-by-case backpay orders, posting requirements, election re-runs, etc.). 1 case · 1 ULP

Case numberTypeFiledClosedStatusRegion
18-CA-137772Unfair labor practiceSep 2014Nov 2014ClosedRegion 18, Minneapolis, Minnesota

Source: NLRB case files. Rows shown are those the agency has published. Region numbers (1–31) correspond to NLRB's geographic offices.

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 TWIN DISC INCORPORATED. Verify directly with Office of Foreign Labor Certification

Environmental compliance (EPA)

No EPA inspections or formal enforcement actions on file for TWIN DISC INCORPORATED. Verify directly with Environmental Protection Agency

Motor carrier safety (FMCSA)

DOT number
48384
Operation
C

Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

Federal criminal prosecution record

No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for TWIN DISC INCORPORATED. Verify directly with UVA Corporate Prosecution Registry

Federal contracts

This location

Obligated (5-yr)
$750K
Obligated (all-time)
$750K
Awards
64
Top agency
Department of Defense
$750K
Company-wide — TWIN DISC, INCORPORATED (across 6 entities)
Obligated (5-yr)
$23.9M
Obligated (all-time)
$46.4M
Awards (all-time)
981

Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.

Largest awards (top 50 of 64)
  • Department of Defense
    CONTRACT FOR 16 EA VALVE, LINEAR, DIRECT WITH 100% OPTION
    contract · Last action 2025-11-21
    $193,078
  • Department of Defense
    8511037274!REGULATOR VALVE ASS
    contract · Last action 2025-04-22
    $122,581
  • Department of Defense
    8511376234!PARTS KIT,HYDRAULIC
    contract · Last action 2025-05-12
    $71,918
  • Department of Defense
    8510978197!CLUTCH ASSEMBLY,FRI
    contract · Last action 2025-05-29
    $54,102
  • Department of Defense
    8511236228!DISK,CLUTCH,VEHICUL
    contract · Last action 2025-03-09
    $39,513
  • Department of Defense
    8511773916!VALVE,REGULATING,FL
    contract · Last action 2025-11-24
    $34,451
  • Department of Defense
    8511080200!DISK,CLUTCH,VEHICUL
    contract · Last action 2024-12-16
    $33,790
  • Department of Defense
    8511417202!FRICTION PLATE
    contract · Last action 2025-06-05
    $18,568
  • Department of Defense
    8511368910!ELBOW,PIPE TO TUBE
    contract · Last action 2025-05-08
    $17,430
  • Department of Defense
    8511207595!SEAL RING,METAL
    contract · Last action 2025-02-24
    $15,218
  • Department of Defense
    8511357802!VALVE,REGULATING,FL
    contract · Last action 2025-05-05
    $14,545
  • Department of Defense
    8511794234!PARTS KIT,FLUID PRE
    contract · Last action 2025-12-04
    $9,718
  • Department of Defense
    8511175041!HEAD,FLUID FILTER
    contract · Last action 2025-05-23
    $9,655
  • Department of Defense
    8511454113!GEAR,SPUR
    contract · Last action 2025-06-18
    $9,505
  • Department of Defense
    8511706609!PUMP,ROTARY
    contract · Last action 2025-10-16
    $9,428
  • Department of Defense
    8511127193!SEAL RING,METAL
    contract · Last action 2025-01-16
    $7,487
  • Department of Defense
    8511087464!STRAINER ELEMENT,SE
    contract · Last action 2024-12-18
    $7,024
  • Department of Defense
    8511652246!STUD,PLAIN
    contract · Last action 2025-09-18
    $6,149
  • Department of Defense
    8510964130!CLUTCH PACK,MAGNETI
    contract · Last action 2024-10-17
    $5,877
  • Department of Defense
    8511231009!SEAL RING,METAL
    contract · Last action 2025-03-06
    $5,596
  • Department of Defense
    8511214591!FILTER,SCREEN
    contract · Last action 2025-02-26
    $5,567
  • Department of Defense
    8511558305!PUMP,ROTARY
    contract · Last action 2025-08-07
    $5,072
  • Department of Defense
    8511219158!ANCHOR,LOW CLUTCH
    contract · Last action 2025-05-23
    $4,182
  • Department of Defense
    8511687947!TURBINE,TORQUE CONV
    contract · Last action 2025-10-06
    $4,139
  • Department of Defense
    8511361574!PLATE,FLOATING DRIV
    contract · Last action 2025-05-05
    $3,624
  • Department of Defense
    8511632507!PLATE,INTERMEDIATE,
    contract · Last action 2025-09-10
    $3,325
  • Department of Defense
    8510996854!ELECTRODISTRIB,SPEC
    contract · Last action 2025-04-08
    $3,183
  • Department of Defense
    8511381315!O-RING
    contract · Last action 2025-05-14
    $3,119
  • Department of Defense
    8511770142!POWER TAKEOFF,ENGIN
    contract · Last action 2025-11-20
    $3,090
  • Department of Defense
    8511558310!O-RING
    contract · Last action 2025-08-07
    $2,988
  • Department of Defense
    8511856821!BODY,VALVE
    contract · Last action 2026-01-13
    $2,889
  • Department of Defense
    8511214765!O-RING
    contract · Last action 2025-02-26
    $2,392
  • Department of Defense
    8511696097!SEAL RING,METAL
    contract · Last action 2025-10-09
    $2,116
  • Department of Defense
    8511692671!PLATE,RETAINING,SHA
    contract · Last action 2025-10-08
    $1,749
  • Department of Defense
    8511081252!ELEMENT,FILTER
    contract · Last action 2024-12-16
    $1,740
  • Department of Defense
    8511724288!DISK,CLUTCH,VEHICUL
    contract · Last action 2025-10-27
    $1,220
  • Department of Defense
    8511287654!O-RING
    contract · Last action 2025-03-31
    $1,116
  • Department of Defense
    8511135420!DISK,CLUTCH,NONVEHI
    contract · Last action 2025-04-08
    $1,107
  • Department of Defense
    8511069764!PLATE,INTERMEDIATE,
    contract · Last action 2024-12-11
    $1,053
  • Department of Defense
    8511188191!COUPLING,SHAFT,FLEX
    contract · Last action 2025-02-13
    $969
  • Department of Defense
    8511675471!TURBINE,TORQUE CONV
    contract · Last action 2025-09-29
    $917
  • Department of Defense
    8511035172!O-RING
    contract · Last action 2024-11-21
    $798
  • Department of Defense
    8511281149!RING,RETAINING
    contract · Last action 2025-03-27
    $686
  • Department of Defense
    8510975767!ELEMENT,FILTER
    contract · Last action 2024-10-23
    $682
  • Department of Defense
    8511361808!RING,RETAINING
    contract · Last action 2025-05-05
    $638
  • Department of Defense
    8511087655!RING,RETAINING
    contract · Last action 2024-12-18
    $621
  • Department of Defense
    8511434875!PUMP,ROTARY
    contract · Last action 2025-06-10
    $605
  • Department of Defense
    8511656081!KEY,MACHINE
    contract · Last action 2025-09-19
    $589
  • Department of Defense
    8511785261!PISTON, CLUTCH SHAFT
    contract · Last action 2025-12-08
    $572
  • Department of Defense
    8511284126!RETAINER ASSY
    contract · Last action 2025-03-28
    $548

Federal contract dollars to this establishment. Primary NAICS: 336350 - MOTOR VEHICLE TRANSMISSION AND POWER TRAIN PARTS MANUFACTURING. Last action: 2026-01-13. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.

Inspection history

DateTriggerViolationsSeriousPenalty
2019-04-04Monitoring0$0
2011-03-01Complaint21$2,500
2009-01-06Complaint52$2,200
2005-03-24Complaint32$6,125
2005-03-10Complaint0$0
2004-05-04Referral106$20,500
2004-04-27Complaint11$1,488
2004-01-13Complaint22$3,425
2003-08-28Complaint0$0
2003-08-28Complaint1$0
2003-06-25Complaint11$893
2003-04-16Complaint32$2,450
2002-10-09Complaint31$788
1999-11-04Complaint0$0

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

Part of a larger organization

TWIN DISC INCORPORATED is one of 4 establishments rolled up under the parent organization TWIN DISC INC.

Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of TWIN DISC INC across all 4 of its tracked locations is viewable on the parent profile.

Other employers in this industry and state

Other employers in mechanical power transmission equipment manufacturing within WI, ordered by federal enforcement volume:

Other locations under this parent

Other establishments operated by TWIN DISC INC, ordered by federal enforcement volume:

  • TWIN DISCRACINE, WI — 2 federal enforcement records
  • TWIN DISC INCRockford, IL — 1 federal enforcement record

Related searches

About this data

This profile aggregates federal enforcement records on TWIN DISC INCORPORATED 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 TWIN DISC INC, which operates 4 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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Frequently asked

What is TWIN DISC INCORPORATED's OSHA violation history?
TWIN DISC INCORPORATED has 14 OSHA inspections on record with 31 violations and $40,367.5 in total penalties.
How does TWIN DISC INCORPORATED's safety record compare to its industry?
TWIN DISC INCORPORATED operates in the mechanical power transmission equipment manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 4. TWIN DISC INCORPORATED's self-reported DART rate is 1.5 compared to an industry average of 2.6.