Earth station communications equipment manufacturing · Massachusetts

L-3 Communications ESSCO, Inc.

Ayer, MA · ~115 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

L-3 Communications ESSCO, Inc. runs at 237% of its industry's injury rate - far more dangerous than the typical Earth station communications equipment manufacturing workplace, earning a grade F.

L-3 Communications ESSCO, Inc.: 7.8 TCR = 237% of Earth station communications equipment manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

L-3 Communications ESSCO, Inc. safety composite

L-3 Communications ESSCO, Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 3%), 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).

F

15/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.82 per 100 workers

Safer than 3% of industry peers

DART rate
F 4.76 per 100 workers

Safer than 4% 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%).

TCR Δ

−0.4

2016→2018

L-3 Communications ESSCO, Inc. injury rate improved

L-3 Communications ESSCO, Inc.'s TCR fell 0.4 from 8.0 in 2016 to 7.6 in 2018. Peak filing year was 2016 at 8.0 TCR. In 2018, DART was 0.61× this establishment's average TCR (severity share of cases).

2016=8.0 · 2017=7.8 · 2018=7.6

OSHA ITA Form 300A scorecard

Establishment book 334220 · Ayer, MA ABOVE-IND · MID

Grade F · TCR 7.8 · 237% of ind

  • DART 4.8 DART
  • RANK #11/12
  • PHOTO Pacific Radomes, Inc.
  • BOOK 3y book
  • INJ 27 inj
  • SIZE ~115 FTE

Nearest TCR peer: Pacific Radomes, Inc. (0.1 TCR gap)

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

L-3 Communications ESSCO, Inc. in the TCR neighbourhood

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

TCR

What this shows L-3 Communications ESSCO, Inc. averages 7.8 TCR (237% of the Earth station communications equipment manufacturing BLS benchmark).

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

L-3 Communications ESSCO, Inc. TCR series: 2016=8 · 2017=7.8 · 2018=7.6 · BLS 3.3

Where L-3 Communications ESSCO, Inc. falls in its industry

247 Earth station communications e establishments

Safer than 3% of graded establishments in this industry, whose median TCR is 1.1.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 12 Earth station communications e employers in Massachusetts.

L-3 Communications ESSCO, Inc. (115 employees, TCR 7.8) among 29 same-industry peers, split at the industry median of 115 employees and a TCR of 1.1 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 05001,0001,500 0246810 Average employees Total Case Rate L-3 Communications ESSCO, Inc.
L-3 Communications ESSCO, Inc. (115 employees, TCR 7.8) among 29 same-industry peers, split at the industry median of 115 employees and a TCR of 1.1

L-3 Communications ESSCO, Inc. has more employees than the Earth station communications equipment m median and a higher injury rate than the industry's median TCR of 1.1. 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 7.6 4.8 8 0 0
2017 7.8 6.1 9 0 0
2016 8.0 7.2 10 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334220 · MA · Ayer

247 Earth station communications equipment manufacturing employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 29 employers in Ayer, 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 Pacific Radomes, Inc. 7.9 TCR
NAICS-TCR AFC Plant 8.7 TCR
NAICS-TCR Antennas for Communications 8.7 TCR
NAICS-TCR Clear-Com Carlsbad 6.8 TCR
STATE-SIZE Salem Glass Company 115 FTE
STATE-SIZE Lynnfield MA Branch 115 FTE
STATE-SIZE Lakeside Book Company - North Chelmsford 115 FTE
STATE-SIZE Pace Industries - Cambridge Division 115 FTE
CITY-NEAR Nashoba Valley Medical Center 523 FTE
CITY-NEAR Catania Spagna Corporation 227 FTE
CITY-NEAR Epic Enterprises, Inc. 178 FTE
CITY-NEAR CPF-NEHF, Inc. 176 FTE
NAT-TCR Pearl Valley Rehabilitation & Nursing at Sutherland 7.8 TCR
NAT-TCR 4701-V720P 7.8 TCR
NAT-TCR Cornerstone Nursing & Rehabilitation 7.8 TCR
NAT-TCR HealthSouth Rehabilitation Hospital of Erie 7.8 TCR
NAT-SIZE Juno - Fishers 115 FTE
NAT-SIZE Atrium Boyce 115 FTE
NAT-SIZE Boose Aluminum Foundry Co Inc 115 FTE
NAT-SIZE Police Department 115 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, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.