M & M Welding & Fabricators Inc is an active interstate carrier based in Mt Airy, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 44 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 47 | ||
Distinct vehicles · 24 mo
vs 47 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 75% | 88% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 54% | 86% | Around peer average |
| Controlled Substances | 99% | 99% | Worse than most peers |
| Vehicle Maintenance | 47% | 77% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 12 | 1 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Mar 18, 2026 | US | STRAIGHT TRUCK | 0 | 0 |
| Mar 12, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Mar 9, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Mar 1, 2026 | DC |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.87 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 11 | 1.77 | — |
| Driver Fitness | 2 | 0.03 | — |
| Controlled Substances | 1 | 0.34 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state MD accounts for 90% of activity. Activity outside home state (MD): 10%.
| Controlled Substances/​Alcohol | 2 | 2 | 2 |
| Driver Fitness | 2 | 0 | 0 |
| Unsafe Driving | 2 | 1 | 0 |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Feb 4, 2026 | MD | STRAIGHT TRUCK | 1 | 1 |
| Jan 5, 2026 | MD | STRAIGHT TRUCK | 1 | 1 |
| Dec 29, 2025 | MD | STRAIGHT TRUCK | 1 | 0 |
| Dec 15, 2025 | MD | STRAIGHT TRUCK | 1 | 0 |
| Sep 30, 2025 | MD | STRAIGHT TRUCK | 2 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 4, 2026 | 39341BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | Yes |
| Jan 5, 2026 | 393104F1C | Cargo - Knotted tiedown | Vehicle Maintenance | — |
| Dec 29, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Dec 15, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 30, 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 | — |
| Sep 30, 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 |
| Sep 29, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Sep 22, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Sep 22, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Feb 19, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |