Arrestors and coils, lighting, manufacturing · Massachusetts

American Superconductor Corporation- Massachusetts

Ayer, MA · ~111 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

American Superconductor Corporation- Massachusetts runs at 44% of its industry's injury rate - far safer than the typical Arrestors and coils, lighting, manufacturing workplace, earning a grade A.

American Superconductor Corporation- Massachusetts: 1.4 TCR = 44% of Arrestors and coils, lighting, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

American Superconductor Corporation- Massachusetts safety composite

American Superconductor Corporation- Massachusetts scores strongest on dart rate (safer than 81% 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).

C

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.45 per 100 workers

Safer than 70% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% 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%).

Rising injury rate

American Superconductor Corporation- Massachusetts: 1.0 → 1.9 TCR

Peak year 2020 @ 1.9 TCR · DART/TCR 0× in 2020

American Superconductor Corporation- Massachusetts's TCR rose 0.8 from 1.0 in 2019 to 1.9 in 2020. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 335931 · Ayer, MA AT/BELOW-IND · MID

Grade A · TCR 1.4 · 44% of ind

  • DART 0.0 DART
  • RANK #2/7
  • PHOTO Omron Automotive Ele…
  • BOOK 2y book
  • INJ 3 inj
  • SIZE ~111 FTE

Nearest TCR peer: Omron Automotive Electronics, Inc (Relay) (0.0 TCR gap)

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American Superconductor Corporation- Massachusetts in the TCR neighbourhood

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

TCR

What this shows American Superconductor Corporation- Massachusetts averages 1.4 TCR (44% of the Arrestors and coils, lighting, manufacturing BLS benchmark).

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

American Superconductor Corporation- Massachusetts TCR series: 2019=1 · 2020=1.9 · BLS 3.3

Where American Superconductor Corporation- Massachusetts falls in its industry

152 Arrestors and coils, lighting, establishments

Safer than 70% 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 #2 safest of 7 Arrestors and coils, lighting, employers in Massachusetts.

American Superconductor Corporation- Massachusetts (111 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 107 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 0200400600 012345 Average employees Total Case Rate American Superconductor Corporation- Massachusetts
American Superconductor Corporation- Massachusetts (111 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.0

American Superconductor Corporation- Massachusetts has more employees than the Arrestors and coils, lighting, manufactu 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
2020 1.9 0.0 2 0 0
2019 1.0 1.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335931 · MA · Ayer

152 Arrestors and coils, lighting, 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 Omron Automotive Electronics, Inc (Relay) 1.5 TCR
NAICS-TCR IL22 1.5 TCR
NAICS-TCR Illinois Tool Works Buehler 1.5 TCR
NAICS-TCR NSPA 1.4 TCR
STATE-SIZE General Contractor 111 FTE
STATE-SIZE G.O. Construction Services, LLC 111 FTE
STATE-SIZE Lunenburg 111 FTE
STATE-SIZE Middlesex Glass Company Inc. 111 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 108-Tri Supply co 1.4 TCR
NAT-TCR Fairfield Homes Inc 1.4 TCR
NAT-TCR Sl Start LLC - Spokane 1.4 TCR
NAT-TCR Ross store 491 1.4 TCR
NAT-SIZE Obetz DC 111 FTE
NAT-SIZE FI - The Abbey, LLC 111 FTE
NAT-SIZE FI - Highland Pines, LLC 111 FTE
NAT-SIZE 42231d - Sterling Heights 111 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.
Data sourced from official public datasets. See our methodology for details.