DBA: M-I Swaco
M-I Llc is an active interstate carrier based in Houston, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 21 | 0 |
| Tractors | 0 | 7 | 0 |
| Trailers | 14 | 6 | 0 |
| Total Power Units | 37 | ||
Distinct vehicles · 24 mo
vs 37 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 62% | 92% | Around peer average |
| HOS Compliance | 63% | 90% | Around peer average |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 33% | 72% | 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 | 4 | — | 22.26% |
| Hazmat | 9 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 19, 2026 | TX | STRAIGHT TRUCK | 0 | 0 |
| Oct 30, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Oct 29, 2025 | TX | STRAIGHT TRUCK | 1 | 1 |
| Oct 7, 2025 | ND | STRAIGHT TRUCK | 0 | 0 |
| Aug 19, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.10 | — |
| HOS Compliance | 1 | 0.03 | — |
| Vehicle Maintenance | 6 | 2.03 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state TX accounts for 56% of activity. Activity outside home state (TX): 44%.
| Hazardous Materials Compliance |
| 10 |
| 1 |
| 5 |
| Vehicle Maintenance | 8 | 2 | 2 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| TX |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Aug 1, 2025 | TX | STRAIGHT TRUCK | 1 | 0 |
| Jan 2, 2025 | TX | STRAIGHT TRUCK | 2 | 0 |
| Dec 11, 2024 | TX | STRAIGHT TRUCK | 0 | 0 |
| Dec 9, 2024 | AR | STRAIGHT TRUCK | 1 | 0 |
| Nov 14, 2024 | LA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 29, 2025 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |
| Aug 1, 2025 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |
| Jan 2, 2025 | 172203A | DOT-SP or special permit number not entered on shipping paper | Hazardous Materials Compliance | — |
| Jan 2, 2025 | 3922WC | Wheel (Mud) Flaps missing or defective | Vehicle Maintenance | — |
| Dec 9, 2024 | 3922INAT | Driver- Inattentive or Distracted Driving | Unsafe Driving | — |
| Oct 11, 2024 | 177817E2HMHC | HM (Highway Carriage) - Failing to have HM shipping papers readily accessible. | Hazardous Materials Compliance | — |
| Oct 11, 2024 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Oct 11, 2024 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Oct 9, 2024 | 177817AHMSP | HM (Shipping Papers) - Operate a motor vehicle without a required shipping paper. NOTE: An error in the shipping description or an incomplete shipping description | Hazardous Materials Compliance | Yes |
| Oct 9, 2024 | 177823AHMPMCNP50% | HM (Placarding) - 50% or more of the required placards for a hazard class are missing. CVSA Inspection Bulletin 2017-03 - Display of GHS Labels on Bulk Packages | Hazardous Materials Compliance | Yes |