Industrial building (except warehouses) construction, general contractors · Washington

T Diamond Bar LLC

Walla Walla, WA · ~91 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.6
Avg TCR
2.9
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

T Diamond Bar LLC runs at 19% of its industry's injury rate - far safer than the typical Industrial building (except warehouses) construction, general contractors workplace, earning a grade A.

T Diamond Bar LLC: 0.6 TCR = 19% of Industrial building (except warehouses) construction, general contractors BLS 2.9 · 3y Form 300A (see methodology below)

T Diamond Bar LLC safety composite

T Diamond Bar LLC scores strongest on total case rate (tcr) (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)
B 0.55 per 100 workers

Safer than 80% of industry peers

DART rate
C 0 per 100 workers

Safer than 73% 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

2021→2023

T Diamond Bar LLC injury rate improved

T Diamond Bar LLC's TCR fell 1.0 from 1.0 in 2021 to 0.0 in 2023. Peak filing year was 2021 at 1.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2021=1.0 · 2022=0.7 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 236210 · Walla Walla, WA AT/BELOW-IND · SMALL

Grade A · TCR 0.6 · 19% of ind

  • DART 0.0 DART
  • RANK #4/20
  • PHOTO Urbana
  • BOOK 3y book
  • INJ 2 inj
  • SIZE ~91 FTE

Nearest TCR peer: Urbana (0.0 TCR gap)

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

T Diamond Bar LLC in the TCR neighbourhood

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

TCR

What this shows T Diamond Bar LLC averages 0.6 TCR (19% of the Industrial building (except warehouses) construction, general contractors BLS benchmark).

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

T Diamond Bar LLC TCR series: 2021=1 · 2022=0.7 · 2023=0 · BLS 2.9

Where T Diamond Bar LLC falls in its industry

924 Industrial building (except wa establishments

Safer than 80% of graded establishments in this industry, whose median TCR is 1.6.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 20 Industrial building (except wa employers in Washington.

T Diamond Bar LLC (91 employees, TCR 0.6) among 29 same-industry peers, split at the industry median of 71 employees and a TCR of 1.6 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 05001,0001,500 05101520 Average employees Total Case Rate T Diamond Bar LLC
T Diamond Bar LLC (91 employees, TCR 0.6) among 29 same-industry peers, split at the industry median of 71 employees and a TCR of 1.6

T Diamond Bar LLC has more employees than the Industrial building (except warehouses) median and a lower injury rate than the industry's median TCR of 1.6. 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
2023 0.0 0.0 0 0 0
2022 0.7 0.7 1 0 0
2021 1.0 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236210 · WA · Walla Walla

924 Industrial building (except warehouses) construction, general contractors employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 67 employers in Walla Walla, WA · 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 Urbana 0.6 TCR
NAICS-TCR Superior Service Company, LLC 0.6 TCR
NAICS-TCR Colburn Construction Inc. 0.6 TCR
NAICS-TCR 7836-DUKE BUCK 0.6 TCR
STATE-SIZE MWR RIVERSIDE ORCHARDS LLC 91 FTE
STATE-SIZE Central Maintenance (Location) 91 FTE
STATE-SIZE Construction 91 FTE
STATE-SIZE Evergreen Power Systems, Inc. 91 FTE
CITY-NEAR 2252-00000325 1,246 FTE
CITY-NEAR WA645 ST MARY MEDICAL CENTER-WALLA WALLA HR 1,037 FTE
CITY-NEAR City of Walla Walla 407 FTE
CITY-NEAR Water Treatment Plan 372 FTE
NAT-TCR C.M. Caraway & Sons, Inc. 0.6 TCR
NAT-TCR Forte Products 0.6 TCR
NAT-TCR Toyota Tsusho America 0.6 TCR
NAT-TCR Hanover Fulfillment 0.6 TCR
NAT-SIZE Rowmark 91 FTE
NAT-SIZE Funtown Splashtown USA 91 FTE
NAT-SIZE Worcester Distribution Center 91 FTE
NAT-SIZE 01-Nashville 91 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: 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.