Superior Duct Fabrication is an active interstate carrier based in Pomona, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 16 | 0 | 0 |
| Tractors | 3 | 2 | 0 |
| Trailers | 22 | 0 | 0 |
| Total Power Units | 21 | ||
Distinct vehicles · 24 mo
vs 21 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 77% | 93% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 69% | 88% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 16 | 5 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 25, 2026 | CA | STRAIGHT TRUCK | 3 | 0 |
| Feb 11, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 4, 2026 | CA | STRAIGHT TRUCK | 4 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.19 | — |
| Vehicle Maintenance | 10 | 3.37 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 97% of activity. Activity outside home state (CA): 3%.
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Jan 28, 2026 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Dec 3, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 2, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Oct 22, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Sep 4, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 18, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Feb 25, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 25, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 25, 2026 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Feb 11, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Feb 4, 2026 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |
| Feb 4, 2026 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Feb 4, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 4, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 22, 2025 | 393110B1C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and 1100 lbs. or less | Vehicle Maintenance | Yes |