Automobile & other motor vehicle merchant wholesalers except Tires · Maryland

Parts Authority Brakes

Name: Parts Authority Brakes Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Gaithersburg, MD · ~60 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 6.3
Avg TCR: 2.2
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Parts Authority Brakes runs at 289% of its industry's injury rate - far more dangerous than the typical Automobile & other motor vehicle merchant wholesalers except Tires workplace, earning a grade F.

Parts Authority Brakes: 6.3 TCR = 289% of Automobile & other motor vehicle merchant wholesalers except Tires BLS 2.2 · 3y Form 300A (see methodology below)

Parts Authority Brakes safety composite

Parts Authority Brakes scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 7%), 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).

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 6.35 per 100 workers

Safer than 35% of industry peers
DART rate: F 12.88 per 100 workers

Safer than 7% 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%).

Rising injury rate

Parts Authority Brakes: 2.5 → 12.9 TCR

Peak year 2023 @ 12.9 TCR · DART/TCR 2.03× in 2023

Parts Authority Brakes's TCR rose 10.4 from 2.5 in 2020 to 12.9 in 2023. In 2023, DART was 2.03× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 423120 · Gaithersburg, MD ABOVE-IND · SMALL

Grade F · TCR 6.3 · 289% of ind

DART 12.9 DART
RANK #13/21
PHOTO Mercedes-Benz USA, LLC
BOOK 3y book
INJ 9 inj
SIZE ~60 FTE

Nearest TCR peer: Mercedes-Benz USA, LLC (0.0 TCR gap)

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

Sure Trac

6.4
This site

6.3
Mercedes-Benz

6.3
Volvo Logistic

6.3
Atlanta PDC

6.3

What this shows Parts Authority Brakes averages 6.3 TCR (289% of the Automobile & other motor vehicle merchant wholesalers except Tires BLS benchmark).

Parts Authority Brakes TCR series: 2020=2.5 · 2022=3.7 · 2023=12.9 · BLS 2.2

Where Parts Authority Brakes falls in its industry

950 Automobile & other motor vehic establishments

Safer than 35% of graded establishments in this industry, whose median TCR is 4.7.

Grade F

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 21 Automobile & other motor vehic employers in Maryland.

Parts Authority Brakes (60 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 49 employees and a TCR of 4.7

Parts Authority Brakes has more employees than the Automobile & other motor vehicle merchan median and a higher injury rate than the industry's median TCR of 4.7. 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
2023	12.9	12.9	6
2022	3.7	3.7	2
2020	2.5	2.5	1

OSHA ITA peer cross-reference

Establishment peer ledger

423120 · MD · Gaithersburg

950 Automobile & other motor vehicle merchant wholesalers except Tires employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 202 employers in Gaithersburg, MD · 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	Mercedes-Benz USA, LLC	ROBBINSVILLE, NJ	6.3 TCR
NAICS-TCR	Volvo Logistics Elkridge	ELKRIDGE, MD	6.3 TCR
NAICS-TCR	Sure Trac	LORIS, SC	6.4 TCR
NAICS-TCR	Atlanta PDC	LAWRENCEVILLE, GA	6.3 TCR
STATE-SIZE	Cooper Building Services, LLC	FREDERICK	60 FTE
STATE-SIZE	Meltech Corp., Inc.	LANDOVER	60 FTE
STATE-SIZE	Ligon & Ligon, Inc.	BALTIMORE	60 FTE
STATE-SIZE	Gomez and Son Contracting, LLC	PASADENA	60 FTE
CITY-NEAR	AstraZeneca Gaithersburg Campus	Gaithersburg	4,117 FTE
CITY-NEAR	MDGAI - GAITHERSBURG HUB	Gaithersburg	794 FTE
CITY-NEAR	Adventist Healthcare Support Center to SGMC	Gaithersburg	764 FTE
CITY-NEAR	MDGAI - GAITHERSBURG-PACKAGE CENTER	Gaithersburg	759 FTE
NAT-TCR	Alexandria, La #00197	Alexandria, LA	6.3 TCR
NAT-TCR	American Red Cross - 352 Church Ave Sw	Roanoke, VA	6.3 TCR
NAT-TCR	Arizona Foods Group, Inc.	Phoenix, AZ	6.3 TCR
NAT-TCR	Cornerstone	Dade City, FL	6.3 TCR
NAT-SIZE	Empire Electric Association	Cortez, CO	60 FTE
NAT-SIZE	Essex Furukawa Metals Processing Center	Columbia City, IN	60 FTE
NAT-SIZE	Nilodor	Bolivar, OH	60 FTE
NAT-SIZE	Residential HVAC and Supply : WHSE-Atlanta, GA-USA	Atlanta, GA	60 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, 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.