Broadcast equipment (including studio), for radio and television, manufacturing · Missouri

Masterclock, Inc.

Saint Charles, MO · ~27 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Masterclock, Inc. runs at 136% of its industry's injury rate - more dangerous than the typical Broadcast equipment (including studio), for radio and television, manufacturing workplace, earning a grade D.

Masterclock, Inc.: 4.5 TCR = 136% of Broadcast equipment (including studio), for radio and television, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Masterclock, Inc. safety composite

Masterclock, Inc. scores strongest on dart rate (safer than 69% of same-industry peers) and weakest on total case rate (tcr) (safer than 9%), 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

40/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.48 per 100 workers

Safer than 9% of industry peers

DART rate
C 0 per 100 workers

Safer than 69% 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%).

TCR Δ

−9.0

2022→2023

Masterclock, Inc. injury rate improved

Masterclock, Inc.'s TCR fell 9.0 from 9.0 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 9.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=9.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 334220 · Saint Charles, MO ABOVE-IND · SMALL

Grade D · TCR 4.5 · 136% of ind

  • DART 0.0 DART
  • RANK P9
  • PHOTO Ross Video - LED
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~27 FTE

Nearest TCR peer: Ross Video - LED (0.2 TCR gap)

Read with this employer → · Industry book → · Missouri employers → · Look up another →

Masterclock, Inc. in the TCR neighbourhood

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

TCR

What this shows Masterclock, Inc. averages 4.5 TCR (136% of the Broadcast equipment (including studio), for radio and television, manufacturing BLS benchmark).

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

Masterclock, Inc. TCR series: 2022=9 · 2023=0 · BLS 3.3

Where Masterclock, Inc. falls in its industry

247 Broadcast equipment (including establishments

Safer than 9% of graded establishments in this industry, whose median TCR is 1.1.

More dangerous than peersSafer than peers
Masterclock, Inc. (27 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 115 employees and a TCR of 1.1 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 05001,0001,500 0246 Average employees Total Case Rate Masterclock, Inc.
Masterclock, Inc. (27 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 115 employees and a TCR of 1.1

Masterclock, Inc. has fewer employees than the Broadcast equipment (including studio), median and a higher injury rate than the industry's median TCR of 1.1. 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
2023 0.0 0.0 0 0 0
2022 9.0 9.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334220 · MO · Saint Charles

247 Broadcast equipment (including studio), for radio and television, manufacturing employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 67 employers in Saint Charles, MO · 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 Ross Video - LED 4.7 TCR
NAICS-TCR CPI Satcom 4.3 TCR
NAICS-TCR HNCCO01 4.2 TCR
NAICS-TCR Electro-Metrics Corp. 4.2 TCR
STATE-SIZE VALLEY VIEW #2 - 10, 14-16, 18-19 -EST 27 FTE
STATE-SIZE KCP&L - Blue Springs Service Center 27 FTE
STATE-SIZE Northeast Showup Center 27 FTE
STATE-SIZE AMEREN TRANSMISSION - Transmission - MO 27 FTE
CITY-NEAR Mom365, Inc. 1,928 FTE
CITY-NEAR MO003 1,071 FTE
CITY-NEAR STL 502 FTE
CITY-NEAR St Louis MO FXFE-STL 473 FTE
NAT-TCR Ralph Martinez Trucking Inc. 4.5 TCR
NAT-TCR DATTCO - Plainville 4.5 TCR
NAT-TCR Allure of Mt.Carroll 4.5 TCR
NAT-TCR ServiceMax Corporation 4.5 TCR
NAT-SIZE Reno Grocery Outlet 27 FTE
NAT-SIZE Dirt Finders Maid Service 27 FTE
NAT-SIZE Groton Town Hall Annex/PW Admin/OPDS 27 FTE
NAT-SIZE MA - Missoula 27 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: 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.