Superior Electrical Mechanical & Plumbing Inc is an active interstate carrier based in Rancho Cucamonga, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 26 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 61 | 0 | 0 |
| Total Power Units | 29 | ||
Distinct vehicles · 24 mo
vs 29 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 | 71% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 81% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 56% | 85% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 5, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Jan 1, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 23, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 3, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
Certerra Subsurface Imaging
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Road Cargo Inc
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Big D Express Inc
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Mangrove Transportation Inc
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Caden Corporation
No alertsRancho Cucamonga, CA · 26 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.57 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 2.00 | — |
| Driver Fitness | 1 | 0.13 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 96% of activity. Activity outside home state (CA): 4%.
| 4 |
| Driver Fitness | 1 | 0 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| Dec 2, 2025 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Dec 1, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Oct 1, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 21, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Aug 18, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 17, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 5, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Dec 3, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Dec 1, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jun 12, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| May 12, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| May 1, 2025 | 39311A1LCL | Lighting - Clearance lamp(s) missing | Vehicle Maintenance | — |
| Mar 12, 2025 | 393203ACBP | Cab and Body Parts - Door missing/broken | Vehicle Maintenance | Yes |
| Dec 4, 2024 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jun 27, 2024 | 393207A | Axle positioning parts defective/missing | Vehicle Maintenance | Yes |