Arrestors and coils, lighting, manufacturing · Massachusetts

American Superconductor Corporation- Ayer, Massachusetts

Ayer, MA · ~104 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.6
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

American Superconductor Corporation- Ayer, Massachusetts runs at 48% of its industry's injury rate - far safer than the typical Arrestors and coils, lighting, manufacturing workplace, earning a grade A.

American Superconductor Corporation- Ayer, Massachusetts: 1.6 TCR = 48% of Arrestors and coils, lighting, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

American Superconductor Corporation- Ayer, Massachusetts safety composite

American Superconductor Corporation- Ayer, Massachusetts scores strongest on total case rate (tcr) (safer than 66% of same-industry peers) and weakest on dart rate (safer than 14%), 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).

D

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.58 per 100 workers

Safer than 66% of industry peers

DART rate
F 2.76 per 100 workers

Safer than 14% 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- Ayer, Massachusetts: 0.0 → 3.7 TCR

Peak year 2024 @ 3.7 TCR · DART/TCR 1.75× in 2024

American Superconductor Corporation- Ayer, Massachusetts's TCR rose 3.7 from 0.0 in 2022 to 3.7 in 2024. In 2024, DART was 1.75× 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 1.6 · 48% of ind

  • DART 2.8 DART
  • RANK #3/7
  • PHOTO EMP Shield Inc.
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~104 FTE

Nearest TCR peer: EMP Shield Inc. (0.0 TCR gap)

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

American Superconductor Corporation- Ayer, Massachusetts in the TCR neighbourhood

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

TCR

What this shows American Superconductor Corporation- Ayer, Massachusetts averages 1.6 TCR (48% 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- Ayer, Massachusetts TCR series: 2022=0 · 2023=1.1 · 2024=3.7 · BLS 3.3

Where American Superconductor Corporation- Ayer, Massachusetts falls in its industry

152 Arrestors and coils, lighting, establishments

Safer than 66% 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 #3 safest of 7 Arrestors and coils, lighting, employers in Massachusetts.

American Superconductor Corporation- Ayer, Massachusetts (104 employees, TCR 1.6) 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- Ayer, Massachusetts
American Superconductor Corporation- Ayer, Massachusetts (104 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 107 employees and a TCR of 2.0

American Superconductor Corporation- Ayer, Massachusetts has fewer 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
2024 3.7 2.8 4 0 0
2023 1.1 1.1 1 0 0
2022 0.0 0.0 0 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 EMP Shield Inc. 1.6 TCR
NAICS-TCR Hubbell Connector Manufacturing Company Alabama 1.6 TCR
NAICS-TCR Regal Beloit America, Inc Bowling Green, OH 1.6 TCR
NAICS-TCR Special Mine Services-IL 1.6 TCR
STATE-SIZE RWE Offshore Wind Services LLC 104 FTE
STATE-SIZE PJ Keating Lunenburg 104 FTE
STATE-SIZE 221-MA-Massachusetts Central 104 FTE
STATE-SIZE Kaleido Biosciences, Inc 104 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 Albert City 1.6 TCR
NAT-TCR Perry Plant 1.6 TCR
NAT-TCR Beltmann Integrated Logistics - Addison, IL 1.6 TCR
NAT-TCR Straughn Farms, LLC 1.6 TCR
NAT-SIZE Oak Canyon Manufacturing "Factory 104 FTE
NAT-SIZE Covestro South Charleston 104 FTE
NAT-SIZE Owensboro 104 FTE
NAT-SIZE Trader Joe's 0765 Winter Park 104 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, 2022. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.