Portable toilet pumping (i.e., cleaning) services · Massachusetts

United Site Services

Westborough, MA · ~3,950 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
2.6
Industry avg
0
Fatalities
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The verdict

United Site Services runs at 48% of its industry's injury rate - far safer than the typical Portable toilet pumping (i.e., cleaning) services workplace, earning a grade A.

United Site Services: 1.2 TCR = 48% of Portable toilet pumping (i.e., cleaning) services BLS 2.6 · 2y Form 300A (see methodology below)

United Site Services safety composite

United Site Services scores strongest on total case rate (tcr) (safer than 93% of same-industry peers) and weakest on fatalities (safer than 51%), 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

73/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 1.24 per 100 workers

Safer than 93% of industry peers

DART rate
C 0.32 per 100 workers

Safer than 66% 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

−0.5

2023→2024

United Site Services injury rate improved

United Site Services's TCR fell 0.5 from 1.5 in 2023 to 1.0 in 2024. Peak filing year was 2023 at 1.5 TCR. In 2024, DART was 0.26× this establishment's average TCR (severity share of cases).

2023=1.5 · 2024=1.0

OSHA ITA Form 300A scorecard

Establishment book 562991 · Westborough, MA AT/BELOW-IND · LARGE

Grade A · TCR 1.2 · 48% of ind

  • DART 0.3 DART
  • RANK #2/7
  • PHOTO Four J's
  • BOOK 2y book
  • INJ 103 inj
  • SIZE ~3,950 FTE

Nearest TCR peer: Four J's (0.1 TCR gap)

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

United Site Services in the TCR neighbourhood

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

TCR

What this shows United Site Services averages 1.2 TCR (48% of the Portable toilet pumping (i.e., cleaning) services BLS benchmark).

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

United Site Services TCR series: 2023=1.5 · 2024=1 · BLS 2.6

Where United Site Services falls in its industry

70 Portable toilet pumping (i.e., establishments

Safer than 93% of graded establishments in this industry, whose median TCR is 5.4.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 7 Portable toilet pumping (i.e., employers in Massachusetts.

United Site Services (3,950 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 5.4 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 01,0002,0003,0004,0005,000 05101520 Average employees Total Case Rate United Site Services
United Site Services (3,950 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 5.4

United Site Services has more employees than the Portable toilet pumping (i.e., cleaning) median and a lower injury rate than the industry's median TCR of 5.4. 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 1.0 0.3 37 3 0
2023 1.5 1.1 66 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

562991 · MA · Westborough

70 Portable toilet pumping (i.e., cleaning) services employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 67 employers in Westborough, MA · 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 Four J's 1.3 TCR
NAICS-TCR Edmunds Waste Removal, Inc. 1.4 TCR
NAICS-TCR WISE ENVIRONMENTAL SOLUTIONS 1.5 TCR
NAICS-TCR TBC Associates II LLC RVA 1.6 TCR
STATE-SIZE Newton Wellesley Hospital 3,740 FTE
STATE-SIZE MA_Boston_4 3,649 FTE
STATE-SIZE BOS Logan Int'l Airport 3,642 FTE
STATE-SIZE Lahey Medical Center 4,286 FTE
CITY-NEAR Columbia Electrical Contractors, Inc. 625 FTE
CITY-NEAR Sanofi Westborough 613 FTE
CITY-NEAR Cumberland Farms - Westboro Distribution Center 562 FTE
CITY-NEAR NORESCO LLC 528 FTE
NAT-TCR Caliber Concrete LLC 1.2 TCR
NAT-TCR City of Alexandria 1.2 TCR
NAT-TCR Supply Chain Asheville Rotating Parts 1.2 TCR
NAT-TCR Superbag Operating Ltd. 1.2 TCR
NAT-SIZE Commons 3,946 FTE
NAT-SIZE Arkansas Children's Hospital 3,946 FTE
NAT-SIZE Blue Origin 3,939 FTE
NAT-SIZE Mosaic Life Care Medical Center 3,939 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.