Siding Roofing Gutters Windows · Iowa

TMJ Construction Services

Ames, IA · ~29 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

TMJ Construction Services runs at 194% of its industry's injury rate - more dangerous than the typical Siding Roofing Gutters Windows workplace, earning a grade D.

TMJ Construction Services: 5.4 TCR = 194% of Siding Roofing Gutters Windows BLS 2.8 · 4y Form 300A (see methodology below)

TMJ Construction Services safety composite

TMJ Construction Services scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 13%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.42 per 100 workers

Safer than 43% of industry peers

DART rate
F 8.58 per 100 workers

Safer than 13% 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

TMJ Construction Services: 0.0 → 8.6 TCR

Peak year 2022 @ 13.1 TCR · DART/TCR 1.58× in 2024

TMJ Construction Services's TCR rose 8.6 from 0.0 in 2021 to 8.6 in 2024. Peak filing year was 2022 at 13.1 TCR. In 2024, DART was 1.58× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238170 · Ames, IA ABOVE-IND · SMALL

Grade D · TCR 5.4 · 194% of ind

  • DART 8.6 DART
  • RANK P43
  • PHOTO Primo Construction LLC
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~29 FTE

Nearest TCR peer: Primo Construction LLC (0.0 TCR gap)

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

TMJ Construction Services in the TCR neighbourhood

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

TCR

What this shows TMJ Construction Services averages 5.4 TCR (194% of the Siding Roofing Gutters Windows BLS benchmark).

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

TMJ Construction Services TCR series: 2021=0 · 2022=13.1 · 2023=0 · 2024=8.6 · BLS 2.8

Where TMJ Construction Services falls in its industry

137 Siding Roofing Gutters Windows establishments

Safer than 43% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers
TMJ Construction Services (29 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 4.5 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 0200400600 05101520 Average employees Total Case Rate TMJ Construction Services
TMJ Construction Services (29 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 4.5

TMJ Construction Services has fewer employees than the Siding Roofing Gutters Windows median and a higher injury rate than the industry's median TCR of 4.5. 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 8.6 8.6 2 0 0
2023 0.0 0.0 0 0 0
2022 13.1 0.0 3 0 0
2021 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238170 · IA · Ames

137 Siding Roofing Gutters Windows employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 170 employers in Ames, IA · 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 Primo Construction LLC 5.4 TCR
NAICS-TCR J-S Contracting, Inc. Kent 5.4 TCR
NAICS-TCR Pacific Exteriors LLC 5.3 TCR
NAICS-TCR Architectural Siding Trim and Roofing Inc 5.7 TCR
STATE-SIZE FDML Forest City 0016 29 FTE
STATE-SIZE Dogwood Sow Unit 29 FTE
STATE-SIZE Southwood Sow Unit 29 FTE
STATE-SIZE Montgomery Valley Farms 29 FTE
CITY-NEAR ISU - University Wide 13,316 FTE
CITY-NEAR ISU - On Campus 12,527 FTE
CITY-NEAR Mary Greeley Medical Center- Main Hospital 1,415 FTE
CITY-NEAR Mary Greeley Medical Center 1,277 FTE
NAT-TCR Mary Immaculate Hospital 5.4 TCR
NAT-TCR Phoenix Shop 5.4 TCR
NAT-TCR Eastwood Machine, LLC 5.4 TCR
NAT-TCR HYDAC Cylinder Division 5.4 TCR
NAT-SIZE Altium Packaging - Columbus 29 FTE
NAT-SIZE Mondelez Batavia 29 FTE
NAT-SIZE Industrial Waste Utilization, Inc. 29 FTE
NAT-SIZE Country Truck & Auto 29 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. 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.