Mirrors, optical, manufacturing · Massachusetts

L3 Technologies, Inc. SSG

Wilmington, MA · ~239 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

L3 Technologies, Inc. SSG runs at 13% of its industry's injury rate - far safer than the typical Mirrors, optical, manufacturing workplace, earning a grade A.

L3 Technologies, Inc. SSG: 0.4 TCR = 13% of Mirrors, optical, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

L3 Technologies, Inc. SSG safety composite

L3 Technologies, Inc. SSG scores strongest on total case rate (tcr) (safer than 91% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

B

76/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.43 per 100 workers

Safer than 91% of industry peers

DART rate
B 0 per 100 workers

Safer than 77% 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 Technologies, Inc. SSG: 0.0 → 0.4 TCR

Peak year 2017 @ 0.9 TCR · DART/TCR 0× in 2019

L3 Technologies, Inc. SSG's TCR rose 0.4 from 0.0 in 2016 to 0.4 in 2019. Peak filing year was 2017 at 0.9 TCR. In 2019, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333314 · Wilmington, MA AT/BELOW-IND · MID

Grade A · TCR 0.4 · 13% of ind

  • DART 0.0 DART
  • RANK #4/18
  • PHOTO Bruker Nano Surfaces…
  • BOOK 4y book
  • INJ 4 inj
  • SIZE ~239 FTE

Nearest TCR peer: Bruker Nano Surfaces - Tucson (0.0 TCR gap)

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L3 Technologies, Inc. SSG in the TCR neighbourhood

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

TCR

What this shows L3 Technologies, Inc. SSG averages 0.4 TCR (13% of the Mirrors, optical, manufacturing BLS benchmark).

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

L3 Technologies, Inc. SSG TCR series: 2016=0 · 2017=0.9 · 2018=0.4 · 2019=0.4 · BLS 3.3

Where L3 Technologies, Inc. SSG falls in its industry

145 Mirrors, optical, manufacturin establishments

Safer than 91% of graded establishments in this industry, whose median TCR is 1.8.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 18 Mirrors, optical, manufacturin employers in Massachusetts.

L3 Technologies, Inc. SSG (239 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 80 employees and a TCR of 1.8 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 02004006008001,000 051015 Average employees Total Case Rate L3 Technologies, Inc. SSG
L3 Technologies, Inc. SSG (239 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 80 employees and a TCR of 1.8

L3 Technologies, Inc. SSG has more employees than the Mirrors, optical, manufacturing median and a lower injury rate than the industry's median TCR of 1.8. 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
2019 0.4 0.0 1 0 0
2018 0.4 0.0 1 0 0
2017 0.9 0.0 2 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333314 · MA · Wilmington

145 Mirrors, optical, manufacturing employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 152 employers in Wilmington, 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 Bruker Nano Surfaces - Tucson 0.5 TCR
NAICS-TCR Excelitas Technologies 0.4 TCR
NAICS-TCR L3Harris Technologies 0.5 TCR
NAICS-TCR Electro-Optics Technology, Inc. 0.5 TCR
STATE-SIZE Sunrise Erectors, Inc. 239 FTE
STATE-SIZE Wareham Massachusetts 239 FTE
STATE-SIZE HMAPF03 239 FTE
STATE-SIZE US779: Flaherty 239 FTE
CITY-NEAR MA-01 4,581 FTE
CITY-NEAR 1 Analog Way 1,993 FTE
CITY-NEAR 804 Woburn St. Wilmington, MA 1,511 FTE
CITY-NEAR Charles River Laboratories 1,466 FTE
NAT-TCR Ring Screw LLC Fenton Operations 0.4 TCR
NAT-TCR Corporate (La Crosse) 0.4 TCR
NAT-TCR Ardagh Metal Bev-EXEC 0.4 TCR
NAT-TCR Corporate Headquarters 0.4 TCR
NAT-SIZE OBH 239 FTE
NAT-SIZE Electro Scientific Industries Inc - Portland, OR 239 FTE
NAT-SIZE Meridian Nursing and Rehab - Shrewsbury 239 FTE
NAT-SIZE High School - West Building 239 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: 2019, 2018, 2017, 2016. 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.