Gypsum board installation · Michigan

Denn-Co Construction

Detroit, MI · ~82 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Denn-Co Construction runs at 73% of its industry's injury rate - safer than the typical Gypsum board installation workplace, earning a grade B.

Denn-Co Construction: 2.0 TCR = 73% of Gypsum board installation BLS 2.8 · 3y Form 300A (see methodology below)

Denn-Co Construction safety composite

Denn-Co Construction scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 51%), 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

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.05 per 100 workers

Safer than 72% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

TCR Δ

−6.1

2016→2024

Denn-Co Construction injury rate improved

Denn-Co Construction's TCR fell 6.1 from 6.1 in 2016 to 0.0 in 2024. Peak filing year was 2016 at 6.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=6.1 · 2017=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238310 · Detroit, MI AT/BELOW-IND · SMALL

Grade B · TCR 2.0 · 73% of ind

  • DART 0.0 DART
  • RANK #8/26
  • PHOTO Bear Insulation, Inc.
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~82 FTE

Nearest TCR peer: Bear Insulation, Inc. (0.0 TCR gap)

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

Denn-Co Construction in the TCR neighbourhood

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

TCR

What this shows Denn-Co Construction averages 2.0 TCR (73% of the Gypsum board installation BLS benchmark).

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

Denn-Co Construction TCR series: 2016=6.1 · 2017=0 · 2024=0 · BLS 2.8

Where Denn-Co Construction falls in its industry

1,613 Gypsum board installation establishments

Safer than 72% of graded establishments in this industry, whose median TCR is 3.4.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 26 Gypsum board installation employers in Michigan.

Denn-Co Construction (82 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.4 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 0100200300 051015 Average employees Total Case Rate Denn-Co Construction
Denn-Co Construction (82 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.4

Denn-Co Construction has more employees than the Gypsum board installation median and a lower injury rate than the industry's median TCR of 3.4. 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
2017 0.0 0.0 0 0 0
2016 6.1 0.0 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238310 · MI · Detroit

1,613 Gypsum board installation employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 673 employers in Detroit, 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 Bear Insulation, Inc. 2.0 TCR
NAICS-TCR Pete king Corp UT 2.0 TCR
NAICS-TCR Advanced Acoustic Contractors 2.0 TCR
NAICS-TCR Branch Office 2.0 TCR
STATE-SIZE Riveridge Packing 82 FTE
STATE-SIZE Marysville Service Center 82 FTE
STATE-SIZE Construction 82 FTE
STATE-SIZE The Christman Company - Detroit 82 FTE
CITY-NEAR Henry Ford Hospital 8,838 FTE
CITY-NEAR Detroit Campus 8,632 FTE
CITY-NEAR Delta Air Lines - DTW 6,640 FTE
CITY-NEAR General Motors Corporation 5,241 FTE
NAT-TCR Advanced Acoustic Contractors 2.0 TCR
NAT-TCR Titan Electric Georgia 2.0 TCR
NAT-TCR Brown Sand INC 2.0 TCR
NAT-TCR Sodexo at Bridgewater State Bear S Den 2.0 TCR
NAT-SIZE Oak Ridge Manor 82 FTE
NAT-SIZE Stamford 82 FTE
NAT-SIZE Bakersfield Renewable Fuels, LLC. 82 FTE
NAT-SIZE Rimrock Construction 82 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, 2017, 2016. 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.