Mail and Parcel Delivery · Maryland

TWINBROOK_1385259

Rockville, MD · ~66 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
6.7
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

TWINBROOK_1385259 runs at 149% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.

TWINBROOK_1385259: 6.7 TCR = 149% of Mail and Parcel Delivery BLS 4.5 · 2y Form 300A (see methodology below)

TWINBROOK_1385259 safety composite

TWINBROOK_1385259 scores strongest on total case rate (tcr) (safer than 51% of same-industry peers) and weakest on dart rate (safer than 36%), 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).

D

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 6.71 per 100 workers

Safer than 51% of industry peers

DART rate
D 7.43 per 100 workers

Safer than 36% 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

TWINBROOK_1385259: 6.0 → 7.4 TCR

Peak year 2024 @ 7.4 TCR · DART/TCR 1.11× in 2024

TWINBROOK_1385259's TCR rose 1.4 from 6.0 in 2023 to 7.4 in 2024. In 2024, DART was 1.11× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 491110 · Rockville, MD ABOVE-IND · SMALL

Grade D · TCR 6.7 · 149% of ind

  • DART 7.4 DART
  • RANK #106/304
  • PHOTO REYNOLDSBURG_1379161
  • BOOK 2y book
  • INJ 9 inj
  • SIZE ~66 FTE

Nearest TCR peer: REYNOLDSBURG_1379161 (0.0 TCR gap)

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

TWINBROOK_1385259 in the TCR neighbourhood

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

TCR

What this shows TWINBROOK_1385259 averages 6.7 TCR (149% of the Mail and Parcel Delivery BLS benchmark).

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

TWINBROOK_1385259 TCR series: 2023=6 · 2024=7.4 · BLS 4.5

Where TWINBROOK_1385259 falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 51% of graded establishments in this industry, whose median TCR is 6.8.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #106 safest of 304 Mail and Parcel Delivery employers in Maryland.

TWINBROOK_1385259 (66 employees, TCR 6.7) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8 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 050100150 0510152025 Average employees Total Case Rate TWINBROOK_1385259
TWINBROOK_1385259 (66 employees, TCR 6.7) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

TWINBROOK_1385259 has more employees than the Mail and Parcel Delivery median and a lower injury rate than the industry's median TCR of 6.8. 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 7.4 7.4 5 0 0
2023 6.0 1.5 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · MD · Rockville

13,818 Mail and Parcel Delivery employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 225 employers in Rockville, 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 REYNOLDSBURG_1379161 6.7 TCR
NAICS-TCR YORK_1388490 6.7 TCR
NAICS-TCR HOLLINS_1437318 6.7 TCR
NAICS-TCR SAN JACINTO_1380611 6.7 TCR
STATE-SIZE Morgantown Generating Station, LLC 66 FTE
STATE-SIZE Minkoff Company, Inc. 66 FTE
STATE-SIZE Upland Mechanical Inc. 66 FTE
STATE-SIZE BAL 66 FTE
CITY-NEAR Adventist Health Shady Grove Medical Center 2,600 FTE
CITY-NEAR Adventist HealthCare Shady Grove Medical Center 2,461 FTE
CITY-NEAR Shady Grove Adventist Hospital 2,357 FTE
CITY-NEAR MOM's Organic Market 1,354 FTE
NAT-TCR Safe Berks 6.7 TCR
NAT-TCR Careone at Wall 6.7 TCR
NAT-TCR Old Town Trolley Tours of Savannah Inc 6.7 TCR
NAT-TCR Agri Supply of Greenville 6.7 TCR
NAT-SIZE AJ Manufacturing, Inc. 1217 Oak Street 66 FTE
NAT-SIZE Delacruz Farm Labor Contracting 66 FTE
NAT-SIZE STR0184 66 FTE
NAT-SIZE T&C Contracting 66 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. 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.