Commercial building construction general contractors · Idaho

Zelham, Inc.

Boise, ID · ~55 workers · 9 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.5
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

Zelham, Inc. runs at 120% of its industry's injury rate - about level with the typical Commercial building construction general contractors workplace, earning a grade C.

Zelham, Inc.: 3.5 TCR = 120% of Commercial building construction general contractors BLS 2.9 · 9y Form 300A (see methodology below)

Zelham, Inc. safety composite

Zelham, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 17%), 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

33/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.48 per 100 workers

Safer than 35% of industry peers

DART rate
F 3.39 per 100 workers

Safer than 17% 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

−5.2

2016→2024

Zelham, Inc. injury rate improved

Zelham, Inc.'s TCR fell 5.2 from 8.6 in 2016 to 3.4 in 2024. Peak filing year was 2016 at 8.6 TCR. In 2024, DART was 0.97× this establishment's average TCR (severity share of cases).

2016=8.6 · 2017=7.3 · 2018=1.7 · 2019=0.0 · 2020=0.0 · 2021=2.2 · 2022=4.3 · 2023=3.8 · 2024=3.4

OSHA ITA Form 300A scorecard

Establishment book 236220 · Boise, ID ABOVE-IND · SMALL

Grade C · TCR 3.5 · 120% of ind

  • DART 3.4 DART
  • RANK #12/28
  • PHOTO Robertson Construction
  • BOOK 9y book
  • INJ 15 inj
  • SIZE ~55 FTE

Nearest TCR peer: Robertson Construction (0.0 TCR gap)

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

Zelham, Inc. in the TCR neighbourhood

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

TCR

What this shows Zelham, Inc. averages 3.5 TCR (120% of the Commercial building construction general contractors BLS benchmark).

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

Zelham, Inc. TCR series: 2016=8.6 · 2017=7.3 · 2018=1.7 · 2019=0 · 2020=0 · 2021=2.2 · 2022=4.3 · 2023=3.8 · 2024=3.4 · BLS 2.9

Where Zelham, Inc. falls in its industry

4,692 Commercial building constructi establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Idaho alone (the establishments it most directly competes with for workers and contracts): ranked #12 safest of 28 Commercial building constructi employers in Idaho.

Zelham, Inc. (55 employees, TCR 3.5) 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 Zelham, Inc.
Zelham, Inc. (55 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Zelham, Inc. has more employees than the Commercial building construction general median and a higher 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 3.4 3.4 2 0 0
2023 3.8 3.8 2 0 0
2022 4.3 4.3 2 0 0
2021 2.2 2.2 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 1.7 1.7 1 0 0
2017 7.3 7.3 4 0 0
2016 8.6 8.6 3 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · ID · Boise

4,692 Commercial building construction general contractors employers nationwide with a credible TCR · 2,774 rated employers in Idaho with headcount on file · 581 employers in Boise, ID · 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 Robertson Construction 3.5 TCR
NAICS-TCR The Hayner Hoyt Corporation 3.5 TCR
NAICS-TCR D.A. Bentley Construction 3.5 TCR
NAICS-TCR Wolverine Building Group 3.5 TCR
STATE-SIZE The Blox Group, LLC 55 FTE
STATE-SIZE Proud Source Water 55 FTE
STATE-SIZE QB Corporation 55 FTE
STATE-SIZE ASL Pocatello 55 FTE
CITY-NEAR St. Luke's Boise Medical Center (Including MSTI) 10,034 FTE
CITY-NEAR 1-Boise Main Site 6,035 FTE
CITY-NEAR Micron Boise Site 5,184 FTE
CITY-NEAR Saint Alphonsus Regional Medical Center 3,869 FTE
NAT-TCR CARDAMOM 3.5 TCR
NAT-TCR MyMichigan Medical Center Clare 3.5 TCR
NAT-TCR Universal Development & Construction LLC 3.5 TCR
NAT-TCR Bartek Construction 3.5 TCR
NAT-SIZE Gilliam County 55 FTE
NAT-SIZE OG&E-West Service Center 55 FTE
NAT-SIZE Formflex 55 FTE
NAT-SIZE Layton Inc. 55 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, 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.