Coaxial connectors manufacturing · California

Hirel Connectors - Downstairs

Name: Hirel Connectors - Downstairs Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Claremont, CA · ~103 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.7
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Hirel Connectors - Downstairs runs at 52% of its industry's injury rate - safer than the typical Coaxial connectors manufacturing workplace, earning a grade B.

Hirel Connectors - Downstairs: 1.7 TCR = 52% of Coaxial connectors manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Hirel Connectors - Downstairs safety composite

Hirel Connectors - Downstairs scores strongest on fatalities (safer than 51% 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).

38/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 1.71 per 100 workers

Safer than 47% of industry peers
DART rate: F 2.42 per 100 workers

Safer than 17% 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

Hirel Connectors - Downstairs: 1.0 → 2.4 TCR

Peak year 2020 @ 2.4 TCR · DART/TCR 1.42× in 2020

Hirel Connectors - Downstairs's TCR rose 1.4 from 1.0 in 2019 to 2.4 in 2020. In 2020, DART was 1.42× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 334417 · Claremont, CA AT/BELOW-IND · MID

Grade B · TCR 1.7 · 52% of ind

DART 2.4 DART
RANK #20/29
PHOTO PEI GENESIS INC
BOOK 2y book
INJ 1 inj
SIZE ~103 FTE

Nearest TCR peer: PEI GENESIS INC (0.0 TCR gap)

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

Amphenol Inter

1.8
This site

1.7
PEI GENESIS IN

1.7
PCB Piezotroni

1.7
Amphenol Aeros

1.7

What this shows Hirel Connectors - Downstairs averages 1.7 TCR (52% of the Coaxial connectors manufacturing BLS benchmark).

Hirel Connectors - Downstairs TCR series: 2019=1 · 2020=2.4 · BLS 3.3

Where Hirel Connectors - Downstairs falls in its industry

166 Coaxial connectors manufacturi establishments

Safer than 47% of graded establishments in this industry, whose median TCR is 1.6.

Grade B

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #20 safest of 29 Coaxial connectors manufacturi employers in California.

Hirel Connectors - Downstairs (103 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 144 employees and a TCR of 1.6

Hirel Connectors - Downstairs has fewer employees than the Coaxial connectors manufacturing median and a higher injury rate than the industry's median TCR of 1.6. 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	2.4	2.4	0	2	0
2019	1.0	1.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

334417 · CA · Claremont

166 Coaxial connectors manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 33 employers in Claremont, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	PEI GENESIS INC	SOUTH BEND, IN	1.7 TCR
NAICS-TCR	PCB Piezotronics /Main / Headquarters	DEPEW, NY, NY	1.7 TCR
NAICS-TCR	Amphenol Aerospace	SIDNEY, NY	1.7 TCR
NAICS-TCR	Amphenol InterCon Systems Valley Green	ETTERS, PA	1.8 TCR
STATE-SIZE	T&A Onions - Huron - Harvest	FIVE POINTS	103 FTE
STATE-SIZE	Macdoel Fields	MACDOEL	103 FTE
STATE-SIZE	Alexandra Dates Inc	THERMAL	103 FTE
STATE-SIZE	DiMare Company	INDIO	103 FTE
CITY-NEAR	Claremont Center	Claremont	307 FTE
CITY-NEAR	The Claremont Club	Claremont	258 FTE
CITY-NEAR	Pilgrim Place In Claremont	Claremont	204 FTE
CITY-NEAR	Therapak Claremont	Claremont	197 FTE
NAT-TCR	Fairmont Branch Office	Fairmont, MN	1.7 TCR
NAT-TCR	Hopper Mechanical	Duncanville, TX	1.7 TCR
NAT-TCR	ASC Ponca City	Ponca City, OK	1.7 TCR
NAT-TCR	6330 N. Cutter Circle, Portland OR 97217	Portland, OR	1.7 TCR
NAT-SIZE	15 Progress Drive	Shelton, CT	103 FTE
NAT-SIZE	Sendik's Food Markets Home Office	Milwaukee, WI	103 FTE
NAT-SIZE	Headquarters	Hughesville, MD	103 FTE
NAT-SIZE	Gowanda GEC LLC	Gowanda, NY	103 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.