Prefabricated commercial building erection · Texas

BOXX Modular Holdings, Inc. / Black Diamond Group Limited

Forth Worth, TX · ~119 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

BOXX Modular Holdings, Inc. / Black Diamond Group Limited runs at 31% of its industry's injury rate - far safer than the typical Prefabricated commercial building erection workplace, earning a grade A.

BOXX Modular Holdings, Inc. / Black Diamond Group Limited: 0.9 TCR = 31% of Prefabricated commercial building erection BLS 2.9 · 3y Form 300A (see methodology below)

BOXX Modular Holdings, Inc. / Black Diamond Group Limited safety composite

BOXX Modular Holdings, Inc. / Black Diamond Group Limited scores strongest on total case rate (tcr) (safer than 81% of same-industry peers) and weakest on dart rate (safer than 39%), 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

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.89 per 100 workers

Safer than 81% of industry peers

DART rate
D 0.82 per 100 workers

Safer than 39% 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

−1.0

2022→2024

BOXX Modular Holdings, Inc. / Black Diamond Group Limited injury rate improved

BOXX Modular Holdings, Inc. / Black Diamond Group Limited's TCR fell 1.0 from 1.8 in 2022 to 0.8 in 2024. Peak filing year was 2022 at 1.8 TCR. In 2024, DART was 0.92× this establishment's average TCR (severity share of cases).

2022=1.8 · 2023=0.0 · 2024=0.8

OSHA ITA Form 300A scorecard

Establishment book 236220 · Forth Worth, TX AT/BELOW-IND · MID

Grade A · TCR 0.9 · 31% of ind

  • DART 0.8 DART
  • RANK #109/327
  • PHOTO Clark/Sullivan Const…
  • BOOK 3y book
  • INJ 3 inj
  • SIZE ~119 FTE

Nearest TCR peer: Clark/Sullivan Construction - Nevada (0.0 TCR gap)

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

BOXX Modular Holdings, Inc. / Black Diamond Group Limited in the TCR neighbourhood

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

TCR

What this shows BOXX Modular Holdings, Inc. / Black Diamond Group Limited averages 0.9 TCR (31% of the Prefabricated commercial building erection BLS benchmark).

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

BOXX Modular Holdings, Inc. / Black Diamond Group Limited TCR series: 2022=1.8 · 2023=0 · 2024=0.8 · BLS 2.9

Where BOXX Modular Holdings, Inc. / Black Diamond Group Limited falls in its industry

4,692 Prefabricated commercial build establishments

Safer than 81% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Texas alone (the establishments it most directly competes with for workers and contracts): ranked #109 safest of 327 Prefabricated commercial build employers in Texas.

BOXX Modular Holdings, Inc. / Black Diamond Group Limited (119 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3 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 0100200300400500 02468 Average employees Total Case Rate BOXX Modular Holdings, Inc. / Black Diamond Group Limited
BOXX Modular Holdings, Inc. / Black Diamond Group Limited (119 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

BOXX Modular Holdings, Inc. / Black Diamond Group Limited has more employees than the Prefabricated commercial building erecti median and a lower injury rate than the industry's median TCR of 2.3. 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 0.8 0.8 1 0 0
2023 0.0 0.0 0 0 0
2022 1.8 1.8 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · TX · Forth Worth

4,692 Prefabricated commercial building erection employers nationwide with a credible TCR · 38,394 rated employers in Texas with headcount on file · 12 employers in Forth Worth, TX · 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 Clark/Sullivan Construction - Nevada 0.9 TCR
NAICS-TCR Dome Construction Corporation 0.9 TCR
NAICS-TCR The Kenyon Company, LLC d/b/a Dana B. Kenyon Company 0.9 TCR
NAICS-TCR Kirtland AFB 0.9 TCR
STATE-SIZE Welsh 119 FTE
STATE-SIZE Charles N White Construction 119 FTE
STATE-SIZE Clearwater Utilities Inc. 119 FTE
STATE-SIZE Bay Ltd. @ at Valero Corpus Christi Bill Greehey Refinery 119 FTE
CITY-NEAR Amazon.com Services LLC - FTW4 678 FTE
CITY-NEAR CO-OP Memeber Center 366 FTE
CITY-NEAR Team Select Home Care - FTW 164 FTE
CITY-NEAR Valtris Specialty Chemcials-- Fort Worth 55 FTE
NAT-TCR Westlake Epoxy Bedford Park (Argo) Illinois 0.9 TCR
NAT-TCR Fujifilm Dimatix 0.9 TCR
NAT-TCR Power Middle School 0.9 TCR
NAT-TCR Harris & Hart, Inc.-Intel Eagle Project 0.9 TCR
NAT-SIZE HGC Industries 119 FTE
NAT-SIZE Microwave Techniques LLC 119 FTE
NAT-SIZE Saticoy Lemon Association - Ventura 119 FTE
NAT-SIZE NxEdge MH LLC 119 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.
Data sourced from official public datasets. See our methodology for details.