Machine shops · Tennessee

Master Machine, Inc.

Chattanooga, TN · ~40 workers · 5 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.9
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Master Machine, Inc. runs at 58% of its industry's injury rate - safer than the typical Machine shops workplace, earning a grade B.

Master Machine, Inc.: 1.9 TCR = 58% of Machine shops BLS 3.3 · 5y Form 300A (see methodology below)

Master Machine, Inc. safety composite

Master Machine, Inc. scores strongest on dart rate (safer than 75% 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).

C

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.93 per 100 workers

Safer than 74% of industry peers

DART rate
B 0 per 100 workers

Safer than 75% 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 Machine, Inc. held a steady TCR band

Master Machine, Inc.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2024. Peak filing year was 2020 at 7.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2020=7.4 · 2021=2.3 · 2022=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 332710 · Chattanooga, TN AT/BELOW-IND · SMALL

Grade B · TCR 1.9 · 58% of ind

  • DART 0.0 DART
  • RANK #3/20
  • PHOTO Holland & Herring Mfg
  • BOOK 5y book
  • INJ 3 inj
  • SIZE ~40 FTE

Nearest TCR peer: Holland & Herring Mfg (0.0 TCR gap)

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

Master Machine, Inc. in the TCR neighbourhood

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

TCR

What this shows Master Machine, Inc. averages 1.9 TCR (58% of the Machine shops BLS benchmark).

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

Master Machine, Inc. TCR series: 2017=0 · 2020=7.4 · 2021=2.3 · 2022=0 · 2024=0 · BLS 3.3

Where Master Machine, Inc. falls in its industry

1,821 Machine shops establishments

Safer than 74% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 20 Machine shops employers in Tennessee.

Master Machine, Inc. (40 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5 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 050100150200250 051015 Average employees Total Case Rate Master Machine, Inc.
Master Machine, Inc. (40 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

Master Machine, Inc. has fewer employees than the Machine shops median and a lower injury rate than the industry's median TCR of 3.5. 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
2024 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 2.3 2.3 1 0 0
2020 7.4 0.0 2 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332710 · TN · Chattanooga

1,821 Machine shops employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 695 employers in Chattanooga, TN · 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 Holland & Herring Mfg 1.9 TCR
NAICS-TCR Inverse Solutions 1.9 TCR
NAICS-TCR Action Industries 1.9 TCR
NAICS-TCR Reynolda Manufacturing Solutions East Bend 1.9 TCR
STATE-SIZE Moseley Bros. 40 FTE
STATE-SIZE 2022 Milan Public Utilities 40 FTE
STATE-SIZE Milan Department of Public Utilities 40 FTE
STATE-SIZE MEC NEWLAND BRANCH 40 FTE
CITY-NEAR CHATTANOOGA COKE 8,650 FTE
CITY-NEAR CHATTANOOGA FOOD 8,650 FTE
CITY-NEAR USXpress 7,385 FTE
CITY-NEAR Cardiology GB 6,606 FTE
NAT-TCR New Ulm Area Catholic Schools 1.9 TCR
NAT-TCR Champaign - Mattis 1.9 TCR
NAT-TCR ELMSFORD 1.9 TCR
NAT-TCR Niagara Bottling, LLC - Houston 1.9 TCR
NAT-SIZE Corporate Refurb 40 FTE
NAT-SIZE M-1 40 FTE
NAT-SIZE Special Programs for Youth 40 FTE
NAT-SIZE R E Badger and Son Inc 40 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: 2024, 2022, 2021, 2020, 2017. 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.