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

Master Lock Company LLC Milwaukee Facility

Milwaukee, WI · ~454 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.0
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Master Lock Company LLC Milwaukee Facility runs at 121% of its industry's injury rate - more dangerous than the typical Locks (except coin-operated, time locks), metal, manufacturing workplace, earning a grade D.

Master Lock Company LLC Milwaukee Facility: 4.0 TCR = 121% of Locks (except coin-operated, time locks), metal, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Master Lock Company LLC Milwaukee Facility safety composite

Master Lock Company LLC Milwaukee Facility scores strongest on dart rate (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 40%), 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).

D

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.98 per 100 workers

Safer than 40% of industry peers

DART rate
D 1.11 per 100 workers

Safer than 51% 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%).

Rising injury rate

Master Lock Company LLC Milwaukee Facility: 3.8 → 5.6 TCR

Peak year 2019 @ 5.6 TCR · DART/TCR 0.28× in 2019

Master Lock Company LLC Milwaukee Facility's TCR rose 1.8 from 3.8 in 2016 to 5.6 in 2019. In 2019, DART was 0.28× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332510 · Milwaukee, WI ABOVE-IND · MID

Grade D · TCR 4.0 · 121% of ind

  • DART 1.1 DART
  • RANK #6/11
  • PHOTO Napoleon/Lynx-West
  • BOOK 3y book
  • INJ 47 inj
  • SIZE ~454 FTE

Nearest TCR peer: Napoleon/Lynx-West (0.0 TCR gap)

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Master Lock Company LLC Milwaukee Facility in the TCR neighbourhood

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

TCR

What this shows Master Lock Company LLC Milwaukee Facility averages 4.0 TCR (121% 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 Milwaukee Facility TCR series: 2016=3.8 · 2018=2.6 · 2019=5.6 · BLS 3.3

Where Master Lock Company LLC Milwaukee Facility falls in its industry

189 Locks (except coin-operated, t establishments

Safer than 40% 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 #6 safest of 11 Locks (except coin-operated, t employers in Wisconsin.

Master Lock Company LLC Milwaukee Facility (454 employees, TCR 4.0) 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 Milwaukee Facility
Master Lock Company LLC Milwaukee Facility (454 employees, TCR 4.0) among 29 same-industry peers, split at the industry median of 82 employees and a TCR of 3.4

Master Lock Company LLC Milwaukee Facility has more employees than the Locks (except coin-operated, time locks) median and a higher 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
2019 5.6 1.1 19 6 0
2018 2.6 0.9 11 1 0
2016 3.8 1.6 17 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332510 · WI · Milwaukee

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 · 980 employers in Milwaukee, 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 Napoleon/Lynx-West 4.0 TCR
NAICS-TCR Flex-N-Gate Alabama, LLC 4.0 TCR
NAICS-TCR Volkswagen Group of America, Chattanooga Operations LLC 4.0 TCR
NAICS-TCR Glendinning Products LLC 4.0 TCR
STATE-SIZE Wisconsin Centrifugal Division 453 FTE
STATE-SIZE Paper Converting Machine Company Ashland/Cormier 455 FTE
STATE-SIZE Nestle 452 FTE
STATE-SIZE US PL Medford 452 FTE
CITY-NEAR Aurora St. Luke's Medical Center 7,587 FTE
CITY-NEAR FROEDTERT HOSPITAL 7,328 FTE
CITY-NEAR Milwaukee Hospital 3,398 FTE
CITY-NEAR Childrens Hospital - Milw Campus 2,851 FTE
NAT-TCR Sms 1820/1821 4.0 TCR
NAT-TCR 105 ABC Supply Co., inc. 4.0 TCR
NAT-TCR Keeler Construction Yard 4.0 TCR
NAT-TCR Tolstoy Foundation Rehabilitation and Nursing Center 4.0 TCR
NAT-SIZE TN - Verizon 454 FTE
NAT-SIZE Jill Acquisition LLC - Tilton Operations Center 454 FTE
NAT-SIZE Berry Plastics 454 FTE
NAT-SIZE Green 454 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: 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.