Antiaircraft artillery manufacturing · Montana

Proof Research Inc

Columbia Falls, MT · ~98 workers · 6 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Proof Research Inc runs at 97% of its industry's injury rate - about level with the typical Antiaircraft artillery manufacturing workplace, earning a grade C.

Proof Research Inc: 3.2 TCR = 97% of Antiaircraft artillery manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Proof Research Inc safety composite

Proof Research Inc scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 35%), 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)
D 3.19 per 100 workers

Safer than 39% of industry peers

DART rate
D 1.83 per 100 workers

Safer than 35% 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

Proof Research Inc: 0.0 → 3.7 TCR

Peak year 2023 @ 7.2 TCR · DART/TCR 0.57× in 2024

Proof Research Inc's TCR rose 3.7 from 0.0 in 2019 to 3.7 in 2024. Peak filing year was 2023 at 7.2 TCR. In 2024, DART was 0.57× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332994 · Columbia Falls, MT AT/BELOW-IND · SMALL

Grade C · TCR 3.2 · 97% of ind

  • DART 1.8 DART
  • RANK P39
  • PHOTO Franklin Armory Inc.
  • BOOK 6y book
  • INJ 14 inj
  • SIZE ~98 FTE

Nearest TCR peer: Franklin Armory Inc. (0.0 TCR gap)

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

Proof Research Inc in the TCR neighbourhood

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

TCR

What this shows Proof Research Inc averages 3.2 TCR (97% of the Antiaircraft artillery manufacturing BLS benchmark).

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

Proof Research Inc TCR series: 2019=0 · 2020=0 · 2021=5.7 · 2022=2.6 · 2023=7.2 · 2024=3.7 · BLS 3.3

Where Proof Research Inc falls in its industry

126 Antiaircraft artillery manufac establishments

Safer than 39% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers
Proof Research Inc (98 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 98 employees and a TCR of 2.5 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 05001,0001,5002,000 05101520 Average employees Total Case Rate Proof Research Inc
Proof Research Inc (98 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 98 employees and a TCR of 2.5

Proof Research Inc has more employees than the Antiaircraft artillery manufacturing median and a higher injury rate than the industry's median TCR of 2.5. 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 3.7 1.8 2 2 0
2023 7.2 7.2 6 1 0
2022 2.6 2.6 2 1 0
2021 5.7 2.9 4 2 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332994 · MT · Columbia Falls

126 Antiaircraft artillery manufacturing employers nationwide with a credible TCR · 1,536 rated employers in Montana with headcount on file · 19 employers in Columbia Falls, MT · 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 Franklin Armory Inc. 3.2 TCR
NAICS-TCR US Ordnance 3.2 TCR
NAICS-TCR Weatherby, Inc. 3.1 TCR
NAICS-TCR SCCY 3.3 TCR
STATE-SIZE BrandSafway Solutions, LLC - ExxonMobil Refinery - Billings 98 FTE
STATE-SIZE Avmax Montana, Inc. 98 FTE
STATE-SIZE 2253-N0416 98 FTE
STATE-SIZE Williams Plumbing and Heating- Big Sky 97 FTE
CITY-NEAR Glacier National Park - Xanterra Parks & Resorts, Inc. 236 FTE
CITY-NEAR Columbia Falls MDF 216 FTE
CITY-NEAR Nomad GCS Inc 144 FTE
CITY-NEAR F.H. Stoltze Land and Lumber Company 122 FTE
NAT-TCR Lunda/ C.S. McCrossan Joint Venture 3.2 TCR
NAT-TCR Canyon Plastering & Drywall 3.2 TCR
NAT-TCR 0856 - Norfolk 3.2 TCR
NAT-TCR Grady Excavating, Inc. 3.2 TCR
NAT-SIZE The inn at Opryland 98 FTE
NAT-SIZE Broadmoor, L.L.C. 98 FTE
NAT-SIZE Es-Columbia Mry Mlw 98 FTE
NAT-SIZE Washington Vending 98 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, 2021, 2020, 2019. 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.