Machine shops · California

O & S Precision, Inc.

Chatsworth, CA · ~59 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
18.0
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

O & S Precision, Inc. runs at 545% of its industry's injury rate - far more dangerous than the typical Machine shops workplace, earning a grade F.

O & S Precision, Inc.: 18.0 TCR = 545% of Machine shops BLS 3.3 · 2y Form 300A (see methodology below)

O & S Precision, Inc. safety composite

O & S Precision, Inc. scores strongest on dart rate (safer than 75% of same-industry peers) and weakest on total case rate (tcr) (safer than 1%), 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

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 17.99 per 100 workers

Safer than 1% 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

−36.0

2017→2018

O & S Precision, Inc. injury rate improved

O & S Precision, Inc.'s TCR fell 36.0 from 36.0 in 2017 to 0.0 in 2018. Peak filing year was 2017 at 36.0 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2017=36.0 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 332710 · Chatsworth, CA ABOVE-IND · SMALL

Grade F · TCR 18.0 · 545% of ind

  • DART 0.0 DART
  • RANK #123/126
  • PHOTO Fox Tool & Manufactu…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~59 FTE

Nearest TCR peer: Fox Tool & Manufacturing Inc. (0.0 TCR gap)

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

O & S Precision, Inc. in the TCR neighbourhood

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

TCR

What this shows O & S Precision, Inc. averages 18.0 TCR (545% of the Machine shops BLS benchmark).

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

O & S Precision, Inc. TCR series: 2017=36 · 2018=0 · BLS 3.3

Where O & S Precision, Inc. falls in its industry

1,821 Machine shops establishments

Safer than 1% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #123 safest of 126 Machine shops employers in California.

O & S Precision, Inc. (59 employees, TCR 18.0) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5 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 O & S Precision, Inc.
O & S Precision, Inc. (59 employees, TCR 18.0) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

O & S Precision, Inc. has more employees than the Machine shops median and a higher injury rate than the industry's median TCR of 3.5. 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
2018 0.0 0.0 0 0 0
2017 36.0 36.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332710 · CA · Chatsworth

1,821 Machine shops employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 132 employers in Chatsworth, 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 Fox Tool & Manufacturing Inc. 18.0 TCR
NAICS-TCR Barron Machine and Fabrication, Inc. 18.1 TCR
NAICS-TCR Boyd Machine and Repair Co Inc 18.2 TCR
NAICS-TCR R. A. Wold & Sons Inc 18.3 TCR
STATE-SIZE DFFF-Salinas 59 FTE
STATE-SIZE LOMA 59 FTE
STATE-SIZE J.R. AG SOLUTIONS, INC. 59 FTE
STATE-SIZE F&J FERNANDEZ CONTRACTING 59 FTE
CITY-NEAR Thibiant International 666 FTE
CITY-NEAR AMZL : DLA4 620 FTE
CITY-NEAR Noble House Home Furnishings 562 FTE
CITY-NEAR kdc/ one 540 FTE
NAT-TCR Rae Ann Suburban 18.0 TCR
NAT-TCR HG012 18.0 TCR
NAT-TCR Sedano's Supermarket #34 18.0 TCR
NAT-TCR White Lake 18.0 TCR
NAT-SIZE Shopko Store #114 (Duluth, MN) 59 FTE
NAT-SIZE Shopko Store #116 (Sheboygan, WI) 59 FTE
NAT-SIZE Shopko Store #39 (Lincoln, NE (South)) 59 FTE
NAT-SIZE Shopko Store #84 (West Jordan, UT) 59 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: 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.