Employer · Maryland

336 Post Office Road

Waldorf, MD · ~69 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
14.0
Avg TCR
0.7
Industry avg
0
Fatalities
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The verdict

336 Post Office Road runs at 1999% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

336 Post Office Road: 14.0 TCR = 1999% of industry BLS 0.7 · 3y Form 300A (see methodology below)

336 Post Office Road safety composite

336 Post Office Road scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 2%), 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

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 13.99 per 100 workers

Safer than 3% of industry peers

DART rate
F 15.78 per 100 workers

Safer than 2% of industry peers

Fatalities
D 0

Safer than 50% 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

336 Post Office Road: 11.7 → 18.9 TCR

Peak year 2019 @ 18.9 TCR · DART/TCR 1.13× in 2019

336 Post Office Road's TCR rose 7.2 from 11.7 in 2017 to 18.9 in 2019. In 2019, DART was 1.13× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 515210 · Waldorf, MD ABOVE-IND · SMALL

Grade F · TCR 14.0 · 1999% of ind

  • DART 15.8 DART
  • RANK #20/22
  • PHOTO 940 Prospect St
  • BOOK 3y book
  • INJ 27 inj
  • SIZE ~69 FTE

Nearest TCR peer: 940 Prospect St (0.3 TCR gap)

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

336 Post Office Road in the TCR neighbourhood

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

TCR

What this shows 336 Post Office Road averages 14.0 TCR (1999% of the industry BLS benchmark).

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

336 Post Office Road TCR series: 2017=11.7 · 2018=11.3 · 2019=18.9 · BLS 0.7

Where 336 Post Office Road falls in its industry

611 industry establishments

Safer than 3% of graded establishments in this industry, whose median TCR is 4.0.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #20 safest of 22 industry employers in Maryland.

336 Post Office Road (69 employees, TCR 14.0) among 29 same-industry peers, split at the industry median of 89 employees and a TCR of 4.0 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 051015 Average employees Total Case Rate 336 Post Office Road
336 Post Office Road (69 employees, TCR 14.0) among 29 same-industry peers, split at the industry median of 89 employees and a TCR of 4.0

336 Post Office Road has fewer employees than the industry median and a higher injury rate than the industry's median TCR of 4.0. 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
2019 18.9 15.8 10 2 0
2018 11.3 11.3 8 0 0
2017 11.7 11.7 9 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

515210 · MD · Waldorf

611 industry employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 103 employers in Waldorf, MD · 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 940 Prospect St 14.3 TCR
NAICS-TCR 1233 Cumberland Street 14.4 TCR
NAICS-TCR 302 N Mildred St 13.6 TCR
NAICS-TCR 2225 Locust St 14.4 TCR
STATE-SIZE H. A. Wagner, L.L.C. 69 FTE
STATE-SIZE DRB Group West Virginia, LLC 69 FTE
STATE-SIZE Henry H. Lewis Contractors, LLC 69 FTE
STATE-SIZE Iacoboni Site Specialists 69 FTE
CITY-NEAR MD-04 4,525 FTE
CITY-NEAR SNC-Lavalin Constructors Inc CPV St Charles Energy Center 392 FTE
CITY-NEAR MDWAL - WALDORF 316 FTE
CITY-NEAR WALDORF (MDWAL) 250 FTE
NAT-TCR 056932-Sna-King Sta 14.0 TCR
NAT-TCR Roseate, Inc. 14.0 TCR
NAT-TCR Charlotte Health Care Center 14.0 TCR
NAT-TCR South Central 14.0 TCR
NAT-SIZE Victoria Service Center 69 FTE
NAT-SIZE Kingsgate - Resort 69 FTE
NAT-SIZE Tops 670 69 FTE
NAT-SIZE Perkins Pacific 69 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: 2019, 2018, 2017. 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.