Search and detection systems and instruments manufacturing · Massachusetts

L3 Harris Maritime Systems

Ayer, MA · ~100 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

L3 Harris Maritime Systems runs at 28% of its industry's injury rate - far safer than the typical Search and detection systems and instruments manufacturing workplace, earning a grade A.

L3 Harris Maritime Systems: 0.9 TCR = 28% of Search and detection systems and instruments manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

L3 Harris Maritime Systems safety composite

L3 Harris Maritime Systems scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 17%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 0.94 per 100 workers

Safer than 39% of industry peers

DART rate
F 0.94 per 100 workers

Safer than 17% 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

L3 Harris Maritime Systems: 0.0 → 1.9 TCR

Peak year 2020 @ 1.9 TCR · DART/TCR 1× in 2020

L3 Harris Maritime Systems's TCR rose 1.9 from 0.0 in 2019 to 1.9 in 2020. In 2020, DART was 1× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 334511 · Ayer, MA AT/BELOW-IND · MID

Grade A · TCR 0.9 · 28% of ind

  • DART 0.9 DART
  • RANK #17/26
  • PHOTO BAE Systems I&S - Fo…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~100 FTE

Nearest TCR peer: BAE Systems I&S - Fort Walton Beach (0.0 TCR gap)

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L3 Harris Maritime Systems in the TCR neighbourhood

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

TCR

What this shows L3 Harris Maritime Systems averages 0.9 TCR (28% of the Search and detection systems and instruments manufacturing BLS benchmark).

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

L3 Harris Maritime Systems TCR series: 2019=0 · 2020=1.9 · BLS 3.3

Where L3 Harris Maritime Systems falls in its industry

388 Search and detection systems a establishments

Safer than 39% of graded establishments in this industry, whose median TCR is 0.7.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #17 safest of 26 Search and detection systems a employers in Massachusetts.

L3 Harris Maritime Systems (100 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 207 employees and a TCR of 0.7 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 05001,0001,5002,000 0246810 Average employees Total Case Rate L3 Harris Maritime Systems
L3 Harris Maritime Systems (100 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 207 employees and a TCR of 0.7

L3 Harris Maritime Systems has fewer employees than the Search and detection systems and instrum median and a higher injury rate than the industry's median TCR of 0.7. 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
2020 1.9 0.9 2 0 0
2019 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334511 · MA · Ayer

388 Search and detection systems and instruments 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 BAE Systems I&S - Fort Walton Beach 0.9 TCR
NAICS-TCR Lockheed Martin Corporation US NJ Moorestown Centrtn 300 (5201) 0.9 TCR
NAICS-TCR NV - Sparks Operations 0.9 TCR
NAICS-TCR Space and Airborne Systems : CO, CO Springs - All South Murray Blvd (SAS-SSG) 0.9 TCR
STATE-SIZE Patriot Care Corp 100 FTE
STATE-SIZE Worcester Air Conditioning 100 FTE
STATE-SIZE Notch Mechanical Constructors 100 FTE
STATE-SIZE Stavis Seafoods Fresh Center 100 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 The Kirklin Clinic of UAB Hospital (Housekeeping) 0.9 TCR
NAT-TCR Sioux City Packaged Gas Store 0.9 TCR
NAT-TCR Md360 - Greer 0.9 TCR
NAT-TCR Telog Instruments, Inc 0.9 TCR
NAT-SIZE Colonial Bag Company, Inc 100 FTE
NAT-SIZE Pronto Delivery Services LLC 100 FTE
NAT-SIZE Michigan Department of Corrections - Macomb Probation 100 FTE
NAT-SIZE Hunter Panels - Montgomery 100 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: 2020, 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.