Electrical contractors · Michigan

Bierlein Trombley Electric

Name: Bierlein Trombley Electric Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Bay City, MI · ~28 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.7
Avg TCR: 2.8
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Bierlein Trombley Electric runs at 95% of its industry's injury rate - about level with the typical Electrical contractors workplace, earning a grade C.

Bierlein Trombley Electric: 2.7 TCR = 95% of Electrical contractors BLS 2.8 · 3y Form 300A (see methodology below)

Bierlein Trombley Electric safety composite

Bierlein Trombley Electric scores strongest on dart rate (safer than 78% of same-industry peers) and weakest on total case rate (tcr) (safer than 47%), 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).

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 2.66 per 100 workers

Safer than 47% of industry peers
DART rate: B 0 per 100 workers

Safer than 78% 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

−4.5

2020→2022

Bierlein Trombley Electric injury rate improved

Bierlein Trombley Electric's TCR fell 4.5 from 4.5 in 2020 to 0.0 in 2022. Peak filing year was 2020 at 4.5 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2020=4.5 · 2021=3.5 · 2022=0.0

OSHA ITA Form 300A scorecard

Establishment book 238210 · Bay City, MI AT/BELOW-IND · SMALL

Grade C · TCR 2.7 · 95% of ind

DART 0.0 DART
RANK #78/133
PHOTO Morrisville
BOOK 3y book
INJ 2 inj
SIZE ~28 FTE

Nearest TCR peer: Morrisville (0.0 TCR gap)

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

This site

2.7
Morrisville

2.7
Yukon Fire Pro

2.7
4175_7943

2.7
Weifield Group

2.7

What this shows Bierlein Trombley Electric averages 2.7 TCR (95% of the Electrical contractors BLS benchmark).

Bierlein Trombley Electric TCR series: 2020=4.5 · 2021=3.5 · 2022=0 · BLS 2.8

Where Bierlein Trombley Electric falls in its industry

4,550 Electrical contractors establishments

Safer than 47% of graded establishments in this industry, whose median TCR is 2.5.

Grade C

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #78 safest of 133 Electrical contractors employers in Michigan.

Bierlein Trombley Electric (28 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

Bierlein Trombley Electric has fewer employees than the Electrical contractors median and a higher injury rate than the industry's median TCR of 2.5. 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
2022	0.0	0.0	0
2021	3.5	3.5	1
2020	4.5	4.5	1

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · MI · Bay City

4,550 Electrical contractors employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 138 employers in Bay City, MI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Morrisville	MORRISVILLE, NC	2.7 TCR
NAICS-TCR	Yukon Fire Protection	FAIRBANKS, AK	2.7 TCR
NAICS-TCR	4175_7943	OGDEN, UT	2.7 TCR
NAICS-TCR	Weifield Group Contracting	CENTENNIAL, CO	2.7 TCR
STATE-SIZE	Hamlin Farms	SOUTH HAVEN	28 FTE
STATE-SIZE	Crossroads Dairy	GRAND RAPIDS	28 FTE
STATE-SIZE	Grand Traverse Assembly DBA Grand Traverse Pallet	ELLSWORTH	28 FTE
STATE-SIZE	Zeeland Generation	ZEELAND	28 FTE
CITY-NEAR	McLaren Bay Region	Bay City	1,858 FTE
CITY-NEAR	Bay Medical Center INC	Bay City	1,655 FTE
CITY-NEAR	Bay City Factory	Bay City	522 FTE
CITY-NEAR	Bay City Components	Bay City	421 FTE
NAT-TCR	Residence Inn O'Fallon	O'Fallon, MO	2.7 TCR
NAT-TCR	Ihop 1519	Phoenix, AZ	2.7 TCR
NAT-TCR	Stop & Shop 0802	Franklin Township, NJ	2.7 TCR
NAT-TCR	Ryerson - RMP Hickman	Blytheville, AR	2.7 TCR
NAT-SIZE	Creative Environments Maintenance Services, LLC	Tempe, AZ	28 FTE
NAT-SIZE	Joyner Masonry Works, Inc.	Greenville, NC	28 FTE
NAT-SIZE	Richmond Machine Company, Inc.	Montpelier, OH	28 FTE
NAT-SIZE	Courtyard by Marriott University of Dayton	Dayton, OH	28 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: 2022, 2021, 2020. 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.