Flowmaster Construction Llc is an active intrastate non-hazmat carrier based in Mexico, MO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 84% | 90% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 84% | 91% | Worse than most peers |
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 |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 16 | 5 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 20, 2026 | MO | TRUCK TRACTOR | 7 | 1 |
| Dec 18, 2025 | MO | TRUCK TRACTOR | 0 | 0 |
| Aug 27, 2025 | MO | STRAIGHT TRUCK | 1 | 0 |
| Aug 26, 2025 | MO | TRUCK TRACTOR | 3 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.16 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 9.92 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state MO accounts for 100% of activity. Activity outside home state (MO): 0%.
| Unsafe Driving |
| 1 |
| 1 |
| 0 |
| Jul 7, 2025 | MO | TRUCK TRACTOR | 1 | 0 |
| May 15, 2025 | MO | STRAIGHT TRUCK | 1 | 0 |
| May 6, 2025 | MO | STRAIGHT TRUCK | 1 | 0 |
| Mar 21, 2025 | MO | TRUCK TRACTOR | 2 | 0 |
| Dec 17, 2024 | MO | STRAIGHT TRUCK | 1 | 1 |
| Aug 6, 2024 | MO | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 20, 2026 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Jan 20, 2026 | 39345CBSG | Air Brake - Missing or inadequate Nonmetallic tubing spring guard | Vehicle Maintenance | — |
| Jan 20, 2026 | 39355C1B | Air Brake - Truck-tractor manufactured on or after March 1 1997 not equipped with an ABS system. System does not function or indicates a fault. | Vehicle Maintenance | — |
| Jan 20, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Jan 20, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jan 20, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Jan 20, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 27, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Aug 26, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 26, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |