Janitorial services · Massachusetts

UG2 - 683 - One Post Office Sq (MA)

Name: UG2 - 683 - One Post Office Sq (MA) Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Boston, MA · ~29 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.3
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

UG2 - 683 - One Post Office Sq (MA) runs at 50% of its industry's injury rate - safer than the typical Janitorial services workplace, earning a grade B.

UG2 - 683 - One Post Office Sq (MA): 2.3 TCR = 50% of Janitorial services BLS 4.5 · 2y Form 300A (see methodology below)

UG2 - 683 - One Post Office Sq (MA) safety composite

UG2 - 683 - One Post Office Sq (MA) scores strongest on total case rate (tcr) (safer than 65% of same-industry peers) and weakest on dart rate (safer than 19%), 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).

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.27 per 100 workers

Safer than 65% of industry peers
DART rate: F 4.53 per 100 workers

Safer than 19% of industry peers
Fatalities: D 0

Safer than 50% 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

UG2 - 683 - One Post Office Sq (MA): 0.0 → 4.5 TCR

Peak year 2018 @ 4.5 TCR · DART/TCR 2× in 2018

UG2 - 683 - One Post Office Sq (MA)'s TCR rose 4.5 from 0.0 in 2017 to 4.5 in 2018. In 2018, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 561720 · Boston, MA AT/BELOW-IND · SMALL

Grade B · TCR 2.3 · 50% of ind

DART 4.5 DART
RANK #31/84
PHOTO Cedar Rapids
BOOK 2y book
INJ 1 inj
SIZE ~29 FTE

Nearest TCR peer: Cedar Rapids (0.0 TCR gap)

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

This site

2.3
Cedar Rapids

2.3
Red Dog PAC HK

2.3
Controlled Con

2.3
PSSI - 0178 JB

2.3

What this shows UG2 - 683 - One Post Office Sq (MA) averages 2.3 TCR (50% of the Janitorial services BLS benchmark).

UG2 - 683 - One Post Office Sq (MA) TCR series: 2017=0 · 2018=4.5 · BLS 4.5

Where UG2 - 683 - One Post Office Sq (MA) falls in its industry

4,064 Janitorial services establishments

Safer than 65% of graded establishments in this industry, whose median TCR is 3.2.

Grade B

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #31 safest of 84 Janitorial services employers in Massachusetts.

UG2 - 683 - One Post Office Sq (MA) (29 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2

UG2 - 683 - One Post Office Sq (MA) has fewer employees than the Janitorial services median and a lower injury rate than the industry's median TCR of 3.2. 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
2018	4.5	4.5	1	0	0
2017	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

561720 · MA · Boston

4,064 Janitorial services employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 577 employers in Boston, 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	Cedar Rapids	CEDAR RAPIDS, IA	2.3 TCR
NAICS-TCR	Red Dog PAC HK	ANCHORAGE, AK	2.3 TCR
NAICS-TCR	Controlled Contamination Services	DALLAS, TX	2.3 TCR
NAICS-TCR	PSSI - 0178 JBS USA - Greeley	GREELEY, CO	2.3 TCR
STATE-SIZE	Skyline Solar	RAYNHAM	29 FTE
STATE-SIZE	Performance Building Co. Inc.	CHELMSFORD	29 FTE
STATE-SIZE	CTA Construction Co., Inc.	WALTHAM	29 FTE
STATE-SIZE	Coastal Construction Corp.	DUXBURY	29 FTE
CITY-NEAR	Massachusetts General Hospital	Boston	26,855 FTE
CITY-NEAR	Brigham and Women's Hospital	Boston	19,183 FTE
CITY-NEAR	Brigham and Womens Hospital	Boston	19,004 FTE
CITY-NEAR	Brigham & Women's Hospital	Boston	18,260 FTE
NAT-TCR	VF Jeanswear, El Paso Trucking	El Paso, TX	2.3 TCR
NAT-TCR	Zimmer Biomet Fair Lawn Foundry	Fair Lawn, NJ	2.3 TCR
NAT-TCR	Atrium Post Acute Care of Weston	Schofield, WI	2.3 TCR
NAT-TCR	J. Supor & Son Trucking & Rigging Co., Inc.-C&R	Kearny, NJ	2.3 TCR
NAT-SIZE	Greif, Ft. Worth	Haltom City, TX	29 FTE
NAT-SIZE	Kautaq Construction Services, LLC	Tempe, AZ	29 FTE
NAT-SIZE	Cresco Medical Clinic	Cresco, IA	29 FTE
NAT-SIZE	Greif Auburndale	Auburndale, FL	29 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: 2018, 2017. 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.