Gas main construction · Utah

Diamond S Company

Salt Lake City, UT · ~33 workers · 7 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Diamond S Company runs at 13% of its industry's injury rate - far safer than the typical Gas main construction workplace, earning a grade A.

Diamond S Company: 0.4 TCR = 13% of Gas main construction BLS 2.8 · 7y Form 300A (see methodology below)

Diamond S Company safety composite

Diamond S Company scores strongest on total case rate (tcr) (safer than 71% of same-industry peers) and weakest on fatalities (safer than 52%), 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

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 0.37 per 100 workers

Safer than 71% of industry peers

DART rate
C 0 per 100 workers

Safer than 70% of industry peers

Fatalities
D 0

Safer than 52% 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%).

Diamond S Company held a steady TCR band

Diamond S Company's TCR held near 0.0 from 0.0 in 2018 to 0.0 in 2024. Peak filing year was 2020 at 2.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=0.0 · 2019=0.0 · 2020=2.6 · 2021=0.0 · 2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237120 · Salt Lake City, UT AT/BELOW-IND · SMALL

Grade A · TCR 0.4 · 13% of ind

  • DART 0.0 DART
  • RANK #2/9
  • PHOTO RLA Utilities LLC
  • BOOK 7y book
  • INJ 1 inj
  • SIZE ~33 FTE

Nearest TCR peer: RLA Utilities LLC (0.0 TCR gap)

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

Diamond S Company in the TCR neighbourhood

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

TCR

What this shows Diamond S Company averages 0.4 TCR (13% of the Gas main construction BLS benchmark).

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

Diamond S Company TCR series: 2018=0 · 2019=0 · 2020=2.6 · 2021=0 · 2022=0 · 2023=0 · 2024=0 · BLS 2.8

Where Diamond S Company falls in its industry

809 Gas main construction establishments

Safer than 71% of graded establishments in this industry, whose median TCR is 0.7.

More dangerous than peersSafer than peers

Narrower to Utah alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 9 Gas main construction employers in Utah.

Diamond S Company (33 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 137 employees and a TCR of 0.7 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 01,0002,0003,0004,000 01234 Average employees Total Case Rate Diamond S Company
Diamond S Company (33 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 137 employees and a TCR of 0.7

Diamond S Company has fewer employees than the Gas main construction median and a lower injury rate than the industry's median TCR of 0.7. 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
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2020 2.6 0.0 1 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237120 · UT · Salt Lake City

809 Gas main construction employers nationwide with a credible TCR · 3,861 rated employers in Utah with headcount on file · 998 employers in Salt Lake City, UT · 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 RLA Utilities LLC 0.4 TCR
NAICS-TCR Ranger Plant Constructional 0.4 TCR
NAICS-TCR Performance Contractors, Inc. - Dow-Plaquemine 0.4 TCR
NAICS-TCR Performance Contractors, Inc. - Texas Fab Shop 0.4 TCR
STATE-SIZE Roosevelt Field Office 33 FTE
STATE-SIZE Richmond American Homes of Utah 33 FTE
STATE-SIZE Beehive Buildings Holdings Inc 33 FTE
STATE-SIZE Southwest Airlines Expansion Project 33 FTE
CITY-NEAR Delta Air Lines - SLC 4,843 FTE
CITY-NEAR PC - Primary Childrens Hospital 3,254 FTE
CITY-NEAR L3 Technologies, Inc. 3,229 FTE
CITY-NEAR Salt Lake City Terminal 2,766 FTE
NAT-TCR HOT Graphics 0.4 TCR
NAT-TCR Corporate Headquarters 0.4 TCR
NAT-TCR SunCoke Energy - Middletown Operations 0.4 TCR
NAT-TCR Las Vegas Tech Support Office 0.4 TCR
NAT-SIZE Lynskey Performance Products, LLC 33 FTE
NAT-SIZE Indian Hills Manor 33 FTE
NAT-SIZE Phoenix Construction & Management, Inc. 33 FTE
NAT-SIZE wc sacramento 33 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, 2018. 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.