Aircraft flight instruments (except engine instruments) manufacturing · California
Otto Instrument Service, Inc.
Ontario, CA · ~100 workers · 5 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 0.5
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Otto Instrument Service, Inc. runs at 15% of its industry's injury rate - far safer than the typical Aircraft flight instruments (except engine instruments) manufacturing workplace, earning a grade A.
Otto Instrument Service, Inc.: 0.5 TCR = 15% of Aircraft flight instruments (except engine instruments) manufacturing BLS 3.3 · 5y Form 300A (see methodology below)
Otto Instrument Service, Inc. safety composite
Otto Instrument Service, Inc. scores strongest on dart rate (safer than 75% 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).
65/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 0.48 per 100 workers
Safer than 65% of industry peers
- DART rate
- B 0 per 100 workers
Safer than 75% 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%).
TCR Δ
−1.4
2018→2024
Otto Instrument Service, Inc. injury rate improved
Otto Instrument Service, Inc.'s TCR fell 1.4 from 1.4 in 2018 to 0.0 in 2024. Peak filing year was 2018 at 1.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2018=1.4 · 2021=0.0 · 2022=0.0 · 2023=1.0 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 334511 · Ontario, CA AT/BELOW-IND · MID
Grade A · TCR 0.5 · 15% of ind
- DART 0.0 DART
- RANK #14/45
- PHOTO HNJFP01
- BOOK 5y book
- INJ 3 inj
- SIZE ~100 FTE
Nearest TCR peer: HNJFP01 (0.0 TCR gap)
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Otto Instrument Service, Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Otto Instrument Service, Inc.
0.5 TCR
- HNJFP01
HNJFP01
0.5 TCR
- Raytheon_Largo
Raytheon_Largo_FL_Bryan Dairy Road
0.5 TCR
- Aviation Syste
Aviation Systems : VA, Herndon - 2235 Monroe St. (AS-MN)
0.5 TCR
- L3Harris Techn
L3Harris Technologies INC Wickham Campus
0.5 TCR
What this shows Otto Instrument Service, Inc. averages 0.5 TCR (15% of the Aircraft flight instruments (except engine instruments) manufacturing BLS benchmark).
Otto Instrument Service, Inc. TCR series: 2018=1.4 · 2021=0 · 2022=0 · 2023=1 · 2024=0 · BLS 3.3
Where Otto Instrument Service, Inc. falls in its industry
388 Aircraft flight instruments (e establishmentsSafer than 65% of graded establishments in this industry, whose median TCR is 0.7.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 45 Aircraft flight instruments (e employers in California.
Otto Instrument Service, Inc. has fewer employees than the Aircraft flight instruments (except engi median and a lower injury rate than the industry's median TCR of 0.7. 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 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2023 | 1.0 | 1.0 | 1 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2021 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2018 | 1.4 | 0.0 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
334511 · CA · Ontario
388 Aircraft flight instruments (except engine instruments) manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 599 employers in Ontario, 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 | HNJFP01 | 0.5 TCR |
| NAICS-TCR | Raytheon_Largo_FL_Bryan Dairy Road | 0.5 TCR |
| NAICS-TCR | Aviation Systems : VA, Herndon - 2235 Monroe St. (AS-MN) | 0.5 TCR |
| NAICS-TCR | L3Harris Technologies INC Wickham Campus | 0.5 TCR |
| STATE-SIZE | 4Seasons Farms, LLC | 100 FTE |
| STATE-SIZE | Bud of California Cauliflower | 100 FTE |
| STATE-SIZE | Legacy Growers, LLC. | 100 FTE |
| STATE-SIZE | DE CRUZ FLC | 100 FTE |
| CITY-NEAR | Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) | 10,997 FTE |
| CITY-NEAR | CAONA - ONTARIO HUB | 4,372 FTE |
| CITY-NEAR | ONTARIO HUB (CAONA) | 3,354 FTE |
| CITY-NEAR | Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions | 3,240 FTE |
| NAT-TCR | Teledyne Storm Microwave | 0.5 TCR |
| NAT-TCR | City Hall | 0.5 TCR |
| NAT-TCR | Johnson Bros. Corporation, a Southland Company - 2736 LADOTD I10 TX St. Line E | 0.5 TCR |
| NAT-TCR | Mercy Flight Central | 0.5 TCR |
| NAT-SIZE | DGE4 | 100 FTE |
| NAT-SIZE | Banner Wholesale Grocers, Inc | 100 FTE |
| NAT-SIZE | Patriot Care Corp | 100 FTE |
| NAT-SIZE | TEK-FINS | 100 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.