Distribution equipment, electrical, merchant wholesalers · California

Main Electric Supply Company LLC - Whittier, CA

Whittier, CA · ~107 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.0
Avg TCR
2.2
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Main Electric Supply Company LLC - Whittier, CA runs at 275% of its industry's injury rate - far more dangerous than the typical Distribution equipment, electrical, merchant wholesalers workplace, earning a grade F.

Main Electric Supply Company LLC - Whittier, CA: 6.0 TCR = 275% of Distribution equipment, electrical, merchant wholesalers BLS 2.2 · 3y Form 300A (see methodology below)

Main Electric Supply Company LLC - Whittier, CA safety composite

Main Electric Supply Company LLC - Whittier, CA scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 8%), 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

20/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.04 per 100 workers

Safer than 12% of industry peers

DART rate
F 6.52 per 100 workers

Safer than 8% 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%).

Main Electric Supply Company LLC - Whittier, CA held a steady TCR band

Main Electric Supply Company LLC - Whittier, CA's TCR held near 0.3 from 6.8 in 2022 to 6.5 in 2024. Peak filing year was 2022 at 6.8 TCR. In 2024, DART was 1.08× this establishment's average TCR (severity share of cases).

2022=6.8 · 2023=4.8 · 2024=6.5

OSHA ITA Form 300A scorecard

Establishment book 423610 · Whittier, CA ABOVE-IND · MID

Grade F · TCR 6.0 · 275% of ind

  • DART 6.5 DART
  • RANK #106/134
  • PHOTO 4192-00051499-4
  • BOOK 3y book
  • INJ 16 inj
  • SIZE ~107 FTE

Nearest TCR peer: 4192-00051499-4 (0.0 TCR gap)

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

Main Electric Supply Company LLC - Whittier, CA in the TCR neighbourhood

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

TCR

What this shows Main Electric Supply Company LLC - Whittier, CA averages 6.0 TCR (275% of the Distribution equipment, electrical, merchant wholesalers BLS benchmark).

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

Main Electric Supply Company LLC - Whittier, CA TCR series: 2022=6.8 · 2023=4.8 · 2024=6.5 · BLS 2.2

Where Main Electric Supply Company LLC - Whittier, CA falls in its industry

1,190 Distribution equipment, electr establishments

Safer than 12% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #106 safest of 134 Distribution equipment, electr employers in California.

Main Electric Supply Company LLC - Whittier, CA (107 employees, TCR 6.0) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 2.4 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 050100150200250 05101520 Average employees Total Case Rate Main Electric Supply Company LLC - Whittier, CA
Main Electric Supply Company LLC - Whittier, CA (107 employees, TCR 6.0) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 2.4

Main Electric Supply Company LLC - Whittier, CA has more employees than the Distribution equipment, electrical, merc median and a higher injury rate than the industry's median TCR of 2.4. 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 6.5 6.5 6 0 0
2023 4.8 4.8 4 0 0
2022 6.8 6.8 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423610 · CA · Whittier

1,190 Distribution equipment, electrical, merchant wholesalers employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 124 employers in Whittier, CA · 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 4192-00051499-4 6.0 TCR
NAICS-TCR 946 - SOUTHAVEN, MS 6.0 TCR
NAICS-TCR 159 Tucson 6.1 TCR
NAICS-TCR JH Larson Electrical - Eau Claire 6.0 TCR
STATE-SIZE Munger Bros, LLC 107 FTE
STATE-SIZE Growers Transplanting 107 FTE
STATE-SIZE Fondomonte California LLC - Blythe Ranch 107 FTE
STATE-SIZE West Coast Tomato Growers, Inc. 107 FTE
CITY-NEAR PIH Health Hospital - Whittier 3,609 FTE
CITY-NEAR California Department of Transportation Facility 499 2,621 FTE
CITY-NEAR PIH Health Hospital - Downey 1,130 FTE
CITY-NEAR PIH Health Physicians 819 FTE
NAT-TCR City of Circle Pines 6.0 TCR
NAT-TCR Phrg Phx 6.0 TCR
NAT-TCR Hayden 6.0 TCR
NAT-TCR City of Sartell 6.0 TCR
NAT-SIZE Dtw-Ground Ops 107 FTE
NAT-SIZE Whitcraft LLC 107 FTE
NAT-SIZE PKL Services, Mtn. Home 107 FTE
NAT-SIZE Four Cents Holdings LLC - DBA Hopkins Printing 107 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.