Machine shops · Michigan

Prototech Laser, Inc.

Chesterfield, MI · ~44 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.6
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Prototech Laser, Inc. runs at 350% of its industry's injury rate - far more dangerous than the typical Machine shops workplace, earning a grade F.

Prototech Laser, Inc.: 11.6 TCR = 350% of Machine shops BLS 3.3 · 3y Form 300A (see methodology below)

Prototech Laser, Inc. safety composite

Prototech Laser, Inc. scores strongest on dart rate (safer than 75% of same-industry peers) and weakest on total case rate (tcr) (safer than 5%), 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.55 per 100 workers

Safer than 5% 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%).

TCR Δ

−7.5

2022→2024

Prototech Laser, Inc. injury rate improved

Prototech Laser, Inc.'s TCR fell 7.5 from 12.3 in 2022 to 4.8 in 2024. Peak filing year was 2023 at 17.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=12.3 · 2023=17.6 · 2024=4.8

OSHA ITA Form 300A scorecard

Establishment book 332710 · Chesterfield, MI ABOVE-IND · SMALL

Grade F · TCR 11.6 · 350% of ind

  • DART 0.0 DART
  • RANK #103/111
  • PHOTO DGA Machine Shop
  • BOOK 3y book
  • INJ 18 inj
  • SIZE ~44 FTE

Nearest TCR peer: DGA Machine Shop (0.0 TCR gap)

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

Prototech Laser, Inc. in the TCR neighbourhood

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

TCR

What this shows Prototech Laser, Inc. averages 11.6 TCR (350% of the Machine shops BLS benchmark).

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

Prototech Laser, Inc. TCR series: 2022=12.3 · 2023=17.6 · 2024=4.8 · BLS 3.3

Where Prototech Laser, Inc. falls in its industry

1,821 Machine shops establishments

Safer than 5% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #103 safest of 111 Machine shops employers in Michigan.

Prototech Laser, Inc. (44 employees, TCR 11.6) 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 Prototech Laser, Inc.
Prototech Laser, Inc. (44 employees, TCR 11.6) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

Prototech Laser, Inc. has fewer employees than the Machine shops median and a higher 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 4.8 0.0 2 0 0
2023 17.6 1.8 10 0 0
2022 12.3 4.1 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332710 · MI · Chesterfield

1,821 Machine shops employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 74 employers in Chesterfield, MI · 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 DGA Machine Shop 11.5 TCR
NAICS-TCR Siouxland Machine, Inc 11.6 TCR
NAICS-TCR REO Industries, Inc 11.6 TCR
NAICS-TCR PMC gage 11.6 TCR
STATE-SIZE NW Planning & Design Center 44 FTE
STATE-SIZE SEMCO Energy Gas Company - Macomb 44 FTE
STATE-SIZE Genesee County Water & Waste Services 44 FTE
STATE-SIZE Anthony Ragnone Treatment Plant 44 FTE
CITY-NEAR WM 2692 416 FTE
CITY-NEAR Motor City Stamping, Inc. 366 FTE
CITY-NEAR 2692 349 FTE
CITY-NEAR Chesterfield (Mt Clemens) MFG (EF, AUTO) 253 FTE
NAT-TCR Sun Outdoors Ocean City Gateway (dba Blue Water Hospitality) 11.6 TCR
NAT-TCR Focus Framing, Door & Trim, LLC 11.6 TCR
NAT-TCR Garware Fulflex USA Inc 11.6 TCR
NAT-TCR The Lodge at Bethany 11.6 TCR
NAT-SIZE 7786-Pdllc-Elmira College 44 FTE
NAT-SIZE Parksite 103 44 FTE
NAT-SIZE NA-US-CA-Camarillo-311 E Daily Dr 44 FTE
NAT-SIZE Unique Thrift Store - 122eliz 44 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, 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.