Locks (except coin-operated, time locks), metal, manufacturing · Wisconsin

Master Lock Company LLC Corporate Headquarters

Oak Creek, WI · ~362 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Master Lock Company LLC Corporate Headquarters runs at 4% of its industry's injury rate - far safer than the typical Locks (except coin-operated, time locks), metal, manufacturing workplace, earning a grade A.

Master Lock Company LLC Corporate Headquarters: 0.1 TCR = 4% of Locks (except coin-operated, time locks), metal, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Master Lock Company LLC Corporate Headquarters safety composite

Master Lock Company LLC Corporate Headquarters scores strongest on total case rate (tcr) (safer than 99% of same-industry peers) and weakest on fatalities (safer than 50%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

B

82/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.12 per 100 workers

Safer than 99% of industry peers

DART rate
B 0 per 100 workers

Safer than 84% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Master Lock Company LLC Corporate Headquarters held a steady TCR band

Master Lock Company LLC Corporate Headquarters's TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2020. Peak filing year was 2019 at 0.3 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.0 · 2018=0.2 · 2019=0.3 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 332510 · Oak Creek, WI AT/BELOW-IND · MID

Grade A · TCR 0.1 · 4% of ind

  • DART 0.0 DART
  • RANK #1/11
  • PHOTO Security, CO
  • BOOK 4y book
  • INJ 2 inj
  • SIZE ~362 FTE

Nearest TCR peer: Security, CO (0.2 TCR gap)

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Master Lock Company LLC Corporate Headquarters in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Master Lock Company LLC Corporate Headquarters averages 0.1 TCR (4% of the Locks (except coin-operated, time locks), metal, manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Master Lock Company LLC Corporate Headquarters TCR series: 2016=0 · 2018=0.2 · 2019=0.3 · 2020=0 · BLS 3.3

Where Master Lock Company LLC Corporate Headquarters falls in its industry

189 Locks (except coin-operated, t establishments

Safer than 99% of graded establishments in this industry, whose median TCR is 3.4.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 11 Locks (except coin-operated, t employers in Wisconsin.

Master Lock Company LLC Corporate Headquarters (362 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 82 employees and a TCR of 3.4 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0200400600800 051015 Average employees Total Case Rate Master Lock Company LLC Corporate Headquarters
Master Lock Company LLC Corporate Headquarters (362 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 82 employees and a TCR of 3.4

Master Lock Company LLC Corporate Headquarters has more employees than the Locks (except coin-operated, time locks) median and a lower injury rate than the industry's median TCR of 3.4. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2020 0.0 0.0 0 0 0
2019 0.3 0.3 1 0 0
2018 0.2 0.2 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332510 · WI · Oak Creek

189 Locks (except coin-operated, time locks), metal, manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 134 employers in Oak Creek, WI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Security, CO 0.3 TCR
NAICS-TCR Seachrome Corporation 0.4 TCR
NAICS-TCR SST-McKinney 0.4 TCR
NAICS-TCR TydenBrooks - Angola 0.6 TCR
STATE-SIZE Biron Mill 362 FTE
STATE-SIZE Global Finishing Solutions- Osseo, WI 362 FTE
STATE-SIZE Generac Power Systems Inc. 362 FTE
STATE-SIZE WAUSAU MAIN CAMPUS 362 FTE
CITY-NEAR Amazon.com Services LLC - MKE2 3,202 FTE
CITY-NEAR WIOAK - OAK CREEK 1,358 FTE
CITY-NEAR OAK CREEK (WIOAK) 1,240 FTE
CITY-NEAR Stella & Chewy's 740 FTE
NAT-TCR CA-09 0.1 TCR
NAT-TCR MA-02 0.1 TCR
NAT-TCR UT-01 0.1 TCR
NAT-TCR CAP Colorado Springs, CO 0.1 TCR
NAT-SIZE Jones Bros Contractors, LLC 362 FTE
NAT-SIZE GWUH 362 FTE
NAT-SIZE RI0031CBC 362 FTE
NAT-SIZE Chestnut Health Systems 362 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2020, 2019, 2018, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.