Mechanical contractors · Massachusetts

J.C. Cannistraro Llc

Name: J.C. Cannistraro Llc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Waltham, MA · ~777 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.3
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

J.C. Cannistraro Llc runs at 82% of its industry's injury rate - about level with the typical Mechanical contractors workplace, earning a grade C.

J.C. Cannistraro Llc: 2.3 TCR = 82% of Mechanical contractors BLS 2.8 · 3y Form 300A (see methodology below)

J.C. Cannistraro Llc safety composite

J.C. Cannistraro Llc scores strongest on total case rate (tcr) (safer than 64% 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).

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.3 per 100 workers

Safer than 64% of industry peers
DART rate: C 0.44 per 100 workers

Safer than 59% 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

−1.0

2022→2024

J.C. Cannistraro Llc injury rate improved

J.C. Cannistraro Llc's TCR fell 1.0 from 3.0 in 2022 to 1.9 in 2024. Peak filing year was 2022 at 3.0 TCR. In 2024, DART was 0.19× this establishment's average TCR (severity share of cases).

2022=3.0 · 2023=2.0 · 2024=1.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · Waltham, MA AT/BELOW-IND · MID

Grade C · TCR 2.3 · 82% of ind

DART 0.4 DART
RANK #48/140
PHOTO American Chiller Ser…
BOOK 3y book
INJ 55 inj
SIZE ~777 FTE

Nearest TCR peer: American Chiller Service, Inc. (0.0 TCR gap)

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This site

2.3
American Chill

2.3
Environmental

2.3
O&M Multi-Trad

2.3
Plumbing compa

2.3

What this shows J.C. Cannistraro Llc averages 2.3 TCR (82% of the Mechanical contractors BLS benchmark).

J.C. Cannistraro Llc TCR series: 2022=3 · 2023=2 · 2024=1.9 · BLS 2.8

Where J.C. Cannistraro Llc falls in its industry

5,793 Mechanical contractors establishments

Safer than 64% of graded establishments in this industry, whose median TCR is 3.3.

Grade C

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #48 safest of 140 Mechanical contractors employers in Massachusetts.

J.C. Cannistraro Llc (777 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

J.C. Cannistraro Llc has more employees than the Mechanical contractors median and a lower 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
2024	1.9	0.4	13
2023	2.0	0.9	16
2022	3.0	1.0	26

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MA · Waltham

5,793 Mechanical contractors 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	Place	Metric
NAICS-TCR	American Chiller Service, Inc.	RANCHO CORDOVA, CA	2.3 TCR
NAICS-TCR	Environmental Systems Company, LLC	WEST HARTFORD, CT	2.3 TCR
NAICS-TCR	O&M Multi-Trade Inc	JESSUP, PA	2.3 TCR
NAICS-TCR	Plumbing company	AUSTIN, TX	2.3 TCR
STATE-SIZE	Atalian Global Services - New England	BRAINTREE	777 FTE
STATE-SIZE	One Federal Street	BOSTON	775 FTE
STATE-SIZE	Consumer Product Distributors LLC dba J Polep Distribution Services	CHICOPEE	774 FTE
STATE-SIZE	Linden Ponds	HINGHAM	774 FTE
CITY-NEAR	RESERVOIR WOODS (MA42)	Waltham	2,025 FTE
CITY-NEAR	170 Data Drive Work Location-MAAV	Waltham	1,985 FTE
CITY-NEAR	RESERVOIR WOODS-MA42	Waltham	1,736 FTE
CITY-NEAR	Partners Home Care Inc	Waltham	786 FTE
NAT-TCR	Orlando 55	Orlando, FL	2.3 TCR
NAT-TCR	O&M Multi-Trade Inc	Jessup, PA	2.3 TCR
NAT-TCR	The Third Element	Helena, MT	2.3 TCR
NAT-TCR	Benchmade Knife Company	Oregon City, OR	2.3 TCR
NAT-SIZE	Kraft Heinz	Davenport, IA	777 FTE
NAT-SIZE	Davidson Transit Organization	Madison, TN	777 FTE
NAT-SIZE	Veritas Technologies LLC - Roseville	Roseville, MN	777 FTE
NAT-SIZE	493-DC001	Oconomowoc, WI	777 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. 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.