Utility line (i.e., communication, electric power), construction · Massachusetts

Mirra Co LLC

Georgetown, MA · ~245 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Mirra Co LLC runs at 18% of its industry's injury rate - far safer than the typical Utility line (i.e., communication, electric power), construction workplace, earning a grade A.

Mirra Co LLC: 0.5 TCR = 18% of Utility line (i.e., communication, electric power), construction BLS 2.8 · 3y Form 300A (see methodology below)

Mirra Co LLC safety composite

Mirra Co LLC scores strongest on total case rate (tcr) (safer than 90% of same-industry peers) and weakest on dart rate (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).

C

67/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.5 per 100 workers

Safer than 90% of industry peers

DART rate
D 0.42 per 100 workers

Safer than 51% of industry peers

Fatalities
D 0

Safer than 52% 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%).

Mirra Co LLC held a steady TCR band

Mirra Co LLC's TCR held near 0.3 from 0.7 in 2019 to 0.4 in 2024. Peak filing year was 2019 at 0.7 TCR. In 2024, DART was 0.84× this establishment's average TCR (severity share of cases).

2019=0.7 · 2023=0.4 · 2024=0.4

OSHA ITA Form 300A scorecard

Establishment book 237130 · Georgetown, MA AT/BELOW-IND · MID

Grade A · TCR 0.5 · 18% of ind

  • DART 0.4 DART
  • RANK #6/31
  • PHOTO Corporate
  • BOOK 3y book
  • INJ 4 inj
  • SIZE ~245 FTE

Nearest TCR peer: Corporate (0.0 TCR gap)

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

Mirra Co LLC in the TCR neighbourhood

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

TCR

What this shows Mirra Co LLC averages 0.5 TCR (18% of the Utility line (i.e., communication, electric power), construction BLS benchmark).

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

Mirra Co LLC TCR series: 2019=0.7 · 2023=0.4 · 2024=0.4 · BLS 2.8

Where Mirra Co LLC falls in its industry

1,605 Utility line (i.e., communicat establishments

Safer than 90% of graded establishments in this industry, whose median TCR is 2.0.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 31 Utility line (i.e., communicat employers in Massachusetts.

Mirra Co LLC (245 employees, TCR 0.5) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0 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 05101520 Average employees Total Case Rate Mirra Co LLC
Mirra Co LLC (245 employees, TCR 0.5) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0

Mirra Co LLC has more employees than the Utility line (i.e., communication, elect median and a lower injury rate than the industry's median TCR of 2.0. 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 0.4 0.4 1 0 0
2023 0.4 0.4 1 0 0
2019 0.7 0.7 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237130 · MA · Georgetown

1,605 Utility line (i.e., communication, electric power), construction employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 12 employers in Georgetown, 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 Corporate 0.5 TCR
NAICS-TCR Stealth Construction 0.5 TCR
NAICS-TCR STG Solar 0.5 TCR
NAICS-TCR American Power LLC - New Mexico 0.5 TCR
STATE-SIZE Concord Foods, LLC 245 FTE
STATE-SIZE FRIENDLY'S - WILBRAHAM PLANT 245 FTE
STATE-SIZE STOP & SHOP 100054 245 FTE
STATE-SIZE 5448 245 FTE
CITY-NEAR Metal Tronics, LLC 79 FTE
CITY-NEAR Cambridgeport 73 FTE
CITY-NEAR UFPT Georgetown 59 FTE
CITY-NEAR CAI, Inc. 50 FTE
NAT-TCR Middleburg Heights 0.5 TCR
NAT-TCR USA Augusta 1626 Aviation Way 0.5 TCR
NAT-TCR Larrett Inc. 0.5 TCR
NAT-TCR Carrier Commercial Services (Little Rock) 0.5 TCR
NAT-SIZE The Willows at Ramapo 245 FTE
NAT-SIZE Sweet Candy Company 245 FTE
NAT-SIZE 2393 Pet1000 245 FTE
NAT-SIZE Volume Transportation Inc 245 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, 2019. 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.