Plumbing and heating contractors · Virginia

Herndon Support Center

Herndon, VA · ~52 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Herndon Support Center runs at 138% of its industry's injury rate - more dangerous than the typical Plumbing and heating contractors workplace, earning a grade D.

Herndon Support Center: 3.9 TCR = 138% of Plumbing and heating contractors BLS 2.8 · 5y Form 300A (see methodology below)

Herndon Support Center safety composite

Herndon Support Center scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 44%), 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).

C

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.86 per 100 workers

Safer than 44% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

Herndon Support Center held a steady TCR band

Herndon Support Center's TCR held near 0.0 from 0.0 in 2020 to 0.0 in 2024. Peak filing year was 2023 at 8.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2020=0.0 · 2021=8.2 · 2022=2.8 · 2023=8.4 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Herndon, VA ABOVE-IND · SMALL

Grade D · TCR 3.9 · 138% of ind

  • DART 0.0 DART
  • RANK #100/152
  • PHOTO J&J Heating and Cool…
  • BOOK 5y book
  • INJ 6 inj
  • SIZE ~52 FTE

Nearest TCR peer: J&J Heating and Cooling Inc (0.0 TCR gap)

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

Herndon Support Center in the TCR neighbourhood

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

TCR

What this shows Herndon Support Center averages 3.9 TCR (138% of the Plumbing and heating contractors BLS benchmark).

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

Herndon Support Center TCR series: 2020=0 · 2021=8.2 · 2022=2.8 · 2023=8.4 · 2024=0 · BLS 2.8

Where Herndon Support Center falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 44% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #100 safest of 152 Plumbing and heating contracto employers in Virginia.

Herndon Support Center (52 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate Herndon Support Center
Herndon Support Center (52 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Herndon Support Center has fewer employees than the Plumbing and heating contractors median and a higher injury rate than the industry's median TCR of 3.3. 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 0.0 0.0 0 0 0
2023 8.4 8.4 2 1 0
2022 2.8 2.8 1 0 0
2021 8.2 2.7 3 0 0
2020 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · VA · Herndon

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 116 employers in Herndon, VA · 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 J&J Heating and Cooling Inc 3.9 TCR
NAICS-TCR Clay Dunn Enterprises, Inc. 3.9 TCR
NAICS-TCR Fire & Life Safety America Roanoke 3.9 TCR
NAICS-TCR LIVE CASINO & HOTEL 3.9 TCR
STATE-SIZE Virginia Warehouse 52 FTE
STATE-SIZE CHARLOTTESVILLE-GAS 52 FTE
STATE-SIZE Environmental Systems Service, Ltd. (Culpeper, VA) 52 FTE
STATE-SIZE 300-DREES-WASHINGTON DC 52 FTE
CITY-NEAR LANCESOFT INC. 1,839 FTE
CITY-NEAR GT7 1,772 FTE
CITY-NEAR Tyto Athene LLC 1,201 FTE
CITY-NEAR 2636-VIRGINIA.HERNDON 578 FTE
NAT-TCR NFI Interactive Logistics LLC-4330 20th Street 3.9 TCR
NAT-TCR 3101 - Denver, CO 3.9 TCR
NAT-TCR Lake County FL Floor Panel 3.9 TCR
NAT-TCR Hercules Custom Iron, LLC 3.9 TCR
NAT-SIZE Ndx Dental Art Laboratories 52 FTE
NAT-SIZE Avera Granite Falls Health Care Center 52 FTE
NAT-SIZE NFI Interactive Logistics LLC-11540 Hopewell Road 52 FTE
NAT-SIZE National Distribution Centers LLC-522 South Enterprise Blvd. 52 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. 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.