Ducts, sheet metal, manufacturing · California

Superior Duct Fabrication, Inc.

Pomona, CA · ~174 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
12.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Superior Duct Fabrication, Inc. runs at 385% of its industry's injury rate - far more dangerous than the typical Ducts, sheet metal, manufacturing workplace, earning a grade F.

Superior Duct Fabrication, Inc.: 12.7 TCR = 385% of Ducts, sheet metal, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Superior Duct Fabrication, Inc. safety composite

Superior Duct Fabrication, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 5%), 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

27/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 12.7 per 100 workers

Safer than 5% of industry peers

DART rate
F 3.14 per 100 workers

Safer than 34% 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

Superior Duct Fabrication, Inc.: 2.7 → 3.1 TCR

Peak year 2017 @ 39.3 TCR · DART/TCR 0.25× in 2020

Superior Duct Fabrication, Inc.'s TCR rose 0.4 from 2.7 in 2016 to 3.1 in 2020. Peak filing year was 2017 at 39.3 TCR. In 2020, DART was 0.25× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332322 · Pomona, CA ABOVE-IND · MID

Grade F · TCR 12.7 · 385% of ind

  • DART 3.1 DART
  • RANK #93/98
  • PHOTO OmniDuct AZ
  • BOOK 4y book
  • INJ 25 inj
  • SIZE ~174 FTE

Nearest TCR peer: OmniDuct AZ (0.0 TCR gap)

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

Superior Duct Fabrication, Inc. in the TCR neighbourhood

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

TCR

What this shows Superior Duct Fabrication, Inc. averages 12.7 TCR (385% of the Ducts, sheet metal, manufacturing BLS benchmark).

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

Superior Duct Fabrication, Inc. TCR series: 2016=2.7 · 2017=39.3 · 2018=5.6 · 2020=3.1 · BLS 3.3

Where Superior Duct Fabrication, Inc. falls in its industry

1,158 Ducts, sheet metal, manufactur establishments

Safer than 5% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #93 safest of 98 Ducts, sheet metal, manufactur employers in California.

Superior Duct Fabrication, Inc. (174 employees, TCR 12.7) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 4.5 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 050100150200 05101520 Average employees Total Case Rate Superior Duct Fabrication, Inc.
Superior Duct Fabrication, Inc. (174 employees, TCR 12.7) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 4.5

Superior Duct Fabrication, Inc. has more employees than the Ducts, sheet metal, manufacturing median and a higher injury rate than the industry's median TCR of 4.5. 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
2020 3.1 3.1 5 0 0
2018 5.6 3.8 9 0 0
2017 39.3 39.3 7 0 0
2016 2.7 2.7 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332322 · CA · Pomona

1,158 Ducts, sheet metal, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 177 employers in Pomona, 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 OmniDuct AZ 12.7 TCR
NAICS-TCR F3 Metalworx, Inc Erie 12.7 TCR
NAICS-TCR Gregory Industries dba Gregory Metal Processing 12.6 TCR
NAICS-TCR Metal Sales MC-Jefferson 12.6 TCR
STATE-SIZE Gill Ranch 174 FTE
STATE-SIZE JTS Modular Inc. 174 FTE
STATE-SIZE MCE Corporation 174 FTE
STATE-SIZE American Asphalt 174 FTE
CITY-NEAR Pomona Valley Hospital Medical Center 3,804 FTE
CITY-NEAR California Department of Transportation Facility 524 2,621 FTE
CITY-NEAR Casa Colina Hospital and Centers for Healthcare 1,136 FTE
CITY-NEAR Henkels & McCoy, Inc. - Pomona, CA 1,129 FTE
NAT-TCR Spee-Dee Delivery Service, Inc. - Collinsville 12.7 TCR
NAT-TCR Mount St. Joseph 12.7 TCR
NAT-TCR Life Care Center of the South Shore 12.7 TCR
NAT-TCR Florida Repertory Company 12.7 TCR
NAT-SIZE High School 174 FTE
NAT-SIZE Dedicated - Walmart Casa Grande 174 FTE
NAT-SIZE Wesco - Haas Group International Northlake Distribution Center 174 FTE
NAT-SIZE DDS - Florida 174 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, 2018, 2017, 2016. 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.