Addition, alteration and renovation general contractors, commercial and institutional building · Massachusetts

Charles Services

Waltham, MA · ~135 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.5
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

Charles Services runs at 154% of its industry's injury rate - more dangerous than the typical Addition, alteration and renovation general contractors, commercial and institutional building workplace, earning a grade D.

Charles Services: 4.5 TCR = 154% of Addition, alteration and renovation general contractors, commercial and institutional building BLS 2.9 · 6y Form 300A (see methodology below)

Charles Services safety composite

Charles Services scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 20%), 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

30/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.48 per 100 workers

Safer than 25% of industry peers

DART rate
F 2.96 per 100 workers

Safer than 20% 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

−0.9

2016→2021

Charles Services injury rate improved

Charles Services's TCR fell 0.9 from 6.8 in 2016 to 5.9 in 2021. Peak filing year was 2016 at 6.8 TCR. In 2021, DART was 0.66× this establishment's average TCR (severity share of cases).

2016=6.8 · 2017=2.8 · 2018=4.4 · 2019=3.1 · 2020=3.9 · 2021=5.9

OSHA ITA Form 300A scorecard

Establishment book 236220 · Waltham, MA ABOVE-IND · MID

Grade D · TCR 4.5 · 154% of ind

  • DART 3.0 DART
  • RANK #80/100
  • PHOTO Bayside Interiors Inc.
  • BOOK 6y book
  • INJ 28 inj
  • SIZE ~135 FTE

Nearest TCR peer: Bayside Interiors Inc. (0.0 TCR gap)

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Charles Services in the TCR neighbourhood

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

TCR

What this shows Charles Services averages 4.5 TCR (154% of the Addition, alteration and renovation general contractors, commercial and institutional building BLS benchmark).

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

Charles Services TCR series: 2016=6.8 · 2017=2.8 · 2018=4.4 · 2019=3.1 · 2020=3.9 · 2021=5.9 · BLS 2.9

Where Charles Services falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 25% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #80 safest of 100 Addition, alteration and renov employers in Massachusetts.

Charles Services (135 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3 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 0100200300400500 02468 Average employees Total Case Rate Charles Services
Charles Services (135 employees, TCR 4.5) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Charles Services has more employees than the Addition, alteration and renovation gene median and a higher injury rate than the industry's median TCR of 2.3. 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
2021 5.9 3.0 6 0 0
2020 3.9 0.0 4 0 0
2019 3.1 2.4 4 0 0
2018 4.4 1.5 6 0 0
2017 2.8 1.4 2 0 0
2016 6.8 5.7 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · MA · Waltham

4,692 Addition, alteration and renovation general contractors, commercial and institutional building employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 118 employers in Waltham, 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 Bayside Interiors Inc. 4.5 TCR
NAICS-TCR Diversified Maintenance Systems, Inc. 4.5 TCR
NAICS-TCR Creature LLC 4.5 TCR
NAICS-TCR Kenyon & Partners, Inc. 4.5 TCR
STATE-SIZE P. Gioioso and Sons, Inc. 135 FTE
STATE-SIZE Kala Pharmaceuticals, Inc. 135 FTE
STATE-SIZE Rexa Inc. 135 FTE
STATE-SIZE AFC Cable Systems 135 FTE
CITY-NEAR RESERVOIR WOODS (MA42) 2,025 FTE
CITY-NEAR 170 Data Drive Work Location-MAAV 1,985 FTE
CITY-NEAR RESERVOIR WOODS-MA42 1,736 FTE
CITY-NEAR Partners Home Care Inc 786 FTE
NAT-TCR Rumford Store 4.5 TCR
NAT-TCR American Preclinical Services 4.5 TCR
NAT-TCR ADESA Indianapolis 4.5 TCR
NAT-TCR Lakeside Industries (050) 4.5 TCR
NAT-SIZE PCC Community Markets West Seattle 135 FTE
NAT-SIZE LP Homestead, LLC (Brookwood) 135 FTE
NAT-SIZE MAIN 135 FTE
NAT-SIZE TQI 135 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: 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.