Mail and Parcel Delivery · Massachusetts
Porter Square Carrier Annex_1378146
Cambridge, MA · ~83 workers · 2 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 6.3
- Avg TCR
- 4.5
- Industry avg
- 0
- Fatalities
The verdict
Porter Square Carrier Annex_1378146 runs at 140% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.
Porter Square Carrier Annex_1378146: 6.3 TCR = 140% of Mail and Parcel Delivery BLS 4.5 · 2y Form 300A (see methodology below)
Porter Square Carrier Annex_1378146 safety composite
Porter Square Carrier Annex_1378146 scores strongest on dart rate (safer than 68% 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 6.3 per 100 workers
Safer than 56% of industry peers
- DART rate
- C 3.52 per 100 workers
Safer than 68% 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
−3.2
2023→2024
Porter Square Carrier Annex_1378146 injury rate improved
Porter Square Carrier Annex_1378146's TCR fell 3.2 from 7.9 in 2023 to 4.7 in 2024. Peak filing year was 2023 at 7.9 TCR. In 2024, DART was 0.56× this establishment's average TCR (severity share of cases).
2023=7.9 · 2024=4.7
OSHA ITA Form 300A scorecard
Establishment book 491110 · Cambridge, MA ABOVE-IND · SMALL
Grade D · TCR 6.3 · 140% of ind
- DART 3.5 DART
- RANK #102/367
- PHOTO HUNTINGTON BEACH_136…
- BOOK 2y book
- INJ 11 inj
- SIZE ~83 FTE
Nearest TCR peer: HUNTINGTON BEACH_1367661 (0.0 TCR gap)
Read with this employer → · Industry book → · Massachusetts employers → · Look up another →
Porter Square Carrier Annex_1378146 in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Porter Square Carrier Annex_1378146
6.3 TCR
- HUNTINGTON BEA
HUNTINGTON BEACH_1367661
6.3 TCR
- PASADENA_13769
PASADENA_1376906
6.3 TCR
- 418685-UPR-HAV
418685-UPR-HAVERTOWN-U DARBY
6.3 TCR
- 125497-MAC-MAI
125497-MAC-MAIN OFFICE STA
6.3 TCR
What this shows Porter Square Carrier Annex_1378146 averages 6.3 TCR (140% of the Mail and Parcel Delivery BLS benchmark).
Porter Square Carrier Annex_1378146 TCR series: 2023=7.9 · 2024=4.7 · BLS 4.5
Where Porter Square Carrier Annex_1378146 falls in its industry
13,818 Mail and Parcel Delivery establishmentsSafer than 56% of graded establishments in this industry, whose median TCR is 6.8.
Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #102 safest of 367 Mail and Parcel Delivery employers in Massachusetts.
Porter Square Carrier Annex_1378146 has more employees than the Mail and Parcel Delivery median and a lower injury rate than the industry's median TCR of 6.8. 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 | 4.7 | 3.5 | 4 | 0 | 0 |
| 2023 | 7.9 | 6.8 | 7 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
491110 · MA · Cambridge
13,818 Mail and Parcel Delivery employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 149 employers in Cambridge, 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 | HUNTINGTON BEACH_1367661 | 6.3 TCR |
| NAICS-TCR | PASADENA_1376906 | 6.3 TCR |
| NAICS-TCR | 418685-UPR-HAVERTOWN-U DARBY | 6.3 TCR |
| NAICS-TCR | 125497-MAC-MAIN OFFICE STA | 6.3 TCR |
| STATE-SIZE | Schernecker Property Services | 83 FTE |
| STATE-SIZE | NE Branch | 83 FTE |
| STATE-SIZE | R & R Window Contractors, Inc | 83 FTE |
| STATE-SIZE | Laureyns United Inc | 83 FTE |
| CITY-NEAR | Philips NAM Field Sales & Service | 5,136 FTE |
| CITY-NEAR | Vinfen Corporation | 2,662 FTE |
| CITY-NEAR | Biogen - Cambridge | 2,478 FTE |
| CITY-NEAR | Cambridge Campus | 2,473 FTE |
| NAT-TCR | City of Eagle Lake | 6.3 TCR |
| NAT-TCR | Allan Mechanical | 6.3 TCR |
| NAT-TCR | Hard Rock Hotel | 6.3 TCR |
| NAT-TCR | Northern Nevada | 6.3 TCR |
| NAT-SIZE | Coldwater | 83 FTE |
| NAT-SIZE | Duramax Marine LLC | 83 FTE |
| NAT-SIZE | Baptist Health System Jacksonville Lyerly Baptist | 83 FTE |
| NAT-SIZE | STR0087 | 83 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.