Fire sprinkler system installation · Massachusetts

Cogswell Sprinkler Co., Inc.

Name: Cogswell Sprinkler Co., Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Worcester, MA · ~101 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

Cogswell Sprinkler Co., Inc. runs at 84% of its industry's injury rate - about level with the typical Fire sprinkler system installation workplace, earning a grade C.

Cogswell Sprinkler Co., Inc.: 2.3 TCR = 84% of Fire sprinkler system installation BLS 2.8 · 3y Form 300A (see methodology below)

Cogswell Sprinkler Co., Inc. safety composite

Cogswell Sprinkler Co., Inc. scores strongest on total case rate (tcr) (safer than 63% of same-industry peers) and weakest on dart rate (safer than 40%), 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).

52/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.34 per 100 workers

Safer than 63% of industry peers
DART rate: D 1.96 per 100 workers

Safer than 40% 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

Cogswell Sprinkler Co., Inc.: 1.1 → 2.0 TCR

Peak year 2018 @ 3.9 TCR · DART/TCR 0.84× in 2019

Cogswell Sprinkler Co., Inc.'s TCR rose 0.8 from 1.1 in 2016 to 2.0 in 2019. Peak filing year was 2018 at 3.9 TCR. In 2019, DART was 0.84× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade C · TCR 2.3 · 84% of ind

DART 2.0 DART
RANK #50/140
PHOTO The Lighthart Corpor…
BOOK 3y book
INJ 7 inj
SIZE ~101 FTE

Nearest TCR peer: The Lighthart Corporation (0.0 TCR gap)

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

This site

2.3
The Lighthart

2.3
DeFranco Plumb

2.3
Ahern Milwauke

2.3
Hermanson - Fa

2.3

What this shows Cogswell Sprinkler Co., Inc. averages 2.3 TCR (84% of the Fire sprinkler system installation BLS benchmark).

Cogswell Sprinkler Co., Inc. TCR series: 2016=1.1 · 2018=3.9 · 2019=2 · BLS 2.8

Where Cogswell Sprinkler Co., Inc. falls in its industry

5,793 Fire sprinkler system installa establishments

Safer than 63% 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 #50 safest of 140 Fire sprinkler system installa employers in Massachusetts.

Cogswell Sprinkler Co., Inc. (101 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Cogswell Sprinkler Co., Inc. has more employees than the Fire sprinkler system installation 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
2019	2.0	2.0	2
2018	3.9	1.0	4
2016	1.1	0.0	1

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MA · Worcester

5,793 Fire sprinkler system installation employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 248 employers in Worcester, 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	The Lighthart Corporation	LOS ANGELES, CA	2.3 TCR
NAICS-TCR	DeFranco Plumbing, Inc.	PALATINE, IL	2.3 TCR
NAICS-TCR	Ahern Milwaukee	MILWAUKEE, WI	2.3 TCR
NAICS-TCR	Hermanson - Fab Shop	KENT, WA	2.3 TCR
STATE-SIZE	W.T. Rich Company	NATICK	101 FTE
STATE-SIZE	Erland Construction, Inc. Main Office	BURLINGTON	101 FTE
STATE-SIZE	Palmer Paving Corp. Road Construction and Support Office	PALMER	101 FTE
STATE-SIZE	Mass Bay Electrical Corp.	EAST BOSTON	101 FTE
CITY-NEAR	UMass Memorial Health	Worcester	12,452 FTE
CITY-NEAR	4701-813	Worcester	2,492 FTE
CITY-NEAR	St Vincent hospital	Worcester	1,965 FTE
CITY-NEAR	NBC Distributors Inc	Worcester	1,276 FTE
NAT-TCR	295 - Sterling-VA	Sterling, VA	2.3 TCR
NAT-TCR	Hartville, Oh	Hartville, OH	2.3 TCR
NAT-TCR	Ruiz Food Products	Tulare, CA	2.3 TCR
NAT-TCR	Plasma Biological Services - Asheville, NC	Asheville, NC	2.3 TCR
NAT-SIZE	167 - Sioux City	Sioux City, IA	101 FTE
NAT-SIZE	180 - Homewood	Homewood, IL	101 FTE
NAT-SIZE	257 - Bloomington-MN	Bloomington, MN	101 FTE
NAT-SIZE	340 - Herndon	Herndon, VA	101 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: 2019, 2018, 2016. 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.