Heat treating metals and metal products for the trade · Michigan

Atmosphere Annealing LLC, Mt. Hope Facility

Lansing, MI · ~56 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
12.3
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Atmosphere Annealing LLC, Mt. Hope Facility runs at 372% of its industry's injury rate - far more dangerous than the typical Heat treating metals and metal products for the trade workplace, earning a grade F.

Atmosphere Annealing LLC, Mt. Hope Facility: 12.3 TCR = 372% of Heat treating metals and metal products for the trade BLS 3.3 · 3y Form 300A (see methodology below)

Atmosphere Annealing LLC, Mt. Hope Facility safety composite

Atmosphere Annealing LLC, Mt. Hope Facility scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 3%), 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).

F

15/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 12.28 per 100 workers

Safer than 4% of industry peers

DART rate
F 12.65 per 100 workers

Safer than 3% of industry peers

Fatalities
D 0

Safer than 51% 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

Atmosphere Annealing LLC, Mt. Hope Facility: 6.8 → 15.8 TCR

Peak year 2018 @ 15.8 TCR · DART/TCR 1.03× in 2018

Atmosphere Annealing LLC, Mt. Hope Facility's TCR rose 9.0 from 6.8 in 2016 to 15.8 in 2018. In 2018, DART was 1.03× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332811 · Lansing, MI ABOVE-IND · SMALL

Grade F · TCR 12.3 · 372% of ind

  • DART 12.7 DART
  • RANK #41/43
  • PHOTO American Heat Treati…
  • BOOK 3y book
  • INJ 21 inj
  • SIZE ~56 FTE

Nearest TCR peer: American Heat Treating, Inc. (0.2 TCR gap)

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

Atmosphere Annealing LLC, Mt. Hope Facility in the TCR neighbourhood

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

TCR

What this shows Atmosphere Annealing LLC, Mt. Hope Facility averages 12.3 TCR (372% of the Heat treating metals and metal products for the trade BLS benchmark).

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

Atmosphere Annealing LLC, Mt. Hope Facility TCR series: 2016=6.8 · 2017=14.2 · 2018=15.8 · BLS 3.3

Where Atmosphere Annealing LLC, Mt. Hope Facility falls in its industry

248 Heat treating metals and metal establishments

Safer than 4% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #41 safest of 43 Heat treating metals and metal employers in Michigan.

Atmosphere Annealing LLC, Mt. Hope Facility (56 employees, TCR 12.3) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 4.2 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 05001,0001,5002,000 051015 Average employees Total Case Rate Atmosphere Annealing LLC, Mt. Hope Facility
Atmosphere Annealing LLC, Mt. Hope Facility (56 employees, TCR 12.3) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 4.2

Atmosphere Annealing LLC, Mt. Hope Facility has more employees than the Heat treating metals and metal products median and a higher injury rate than the industry's median TCR of 4.2. 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
2018 15.8 12.7 10 0 0
2017 14.2 12.6 8 1 0
2016 6.8 5.1 3 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

332811 · MI · Lansing

248 Heat treating metals and metal products for the trade employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 410 employers in Lansing, 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 American Heat Treating, Inc. 12.4 TCR
NAICS-TCR BCT Inc. dba Service Heat Treating 12.1 TCR
NAICS-TCR Applied Process Inc. 12.1 TCR
NAICS-TCR Bodycote - Fountain Inn 12.0 TCR
STATE-SIZE John B Schaendorf Dairy 56 FTE
STATE-SIZE Hamtramck Energy Services 56 FTE
STATE-SIZE A. Lindberg & Sons Inc. 56 FTE
STATE-SIZE Cipparrone Contracting Inc 56 FTE
CITY-NEAR Lansing Delta Township Assembly 2,608 FTE
CITY-NEAR General Motors Lansing Delta Township Assembly 2,446 FTE
CITY-NEAR LCC - Main 2,258 FTE
CITY-NEAR Lansing Grand River Assembly 1,648 FTE
NAT-TCR Production Plant 12.3 TCR
NAT-TCR Valley Ready Mix, Inc. 12.3 TCR
NAT-TCR Colonial Lighting 12.3 TCR
NAT-TCR Glendive (Mtgle) 12.3 TCR
NAT-SIZE Roanoke Electric Cooperative 56 FTE
NAT-SIZE Shopko Store #64 (Nampa, ID) 56 FTE
NAT-SIZE Owen Ames Kimball Company / O-A-K Florida 56 FTE
NAT-SIZE Education Center for the Arts 56 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: 2018, 2017, 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.