Master Insulation And Services is an active intrastate non-hazmat carrier based in Mount Vernon, WA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 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 | 99% | 99% | 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 | 87% | 89% | 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 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 1 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 21, 2025 | WA | STRAIGHT TRUCK | 2 | 1 |
| Oct 1, 2025 | WA | STRAIGHT TRUCK | 1 | 0 |
| May 7, 2025 | WA | STRAIGHT TRUCK | 1 | 0 |
| Mar 28, 2025 | WA | STRAIGHT TRUCK | 1 | 0 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 8
Action Transports
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Med Loz Lease Service Inc
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Sergio Lozano · also at 8 others
Partners Insulation Inc
Mount Vernon, WA
Sergio Lozano · also at 8 others
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 9.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 8.40 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving | 3 | 2 | 0 |
| Sep 4, 2024 | WA | STRAIGHT TRUCK | 5 | 1 |
| May 31, 2024 | WA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 21, 2025 | 39216BDPASS | Driver - Failed to require passenger(s) (not a co-driver) to use seat belt while operating a property-carrying CMV. | Unsafe Driving | — |
| Oct 21, 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 |
| Oct 1, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| May 7, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Mar 28, 2025 | 3922SLLCP | State/Local Laws - Operate a CMV while using a cellular phone | Unsafe Driving | — |
| Sep 4, 2024 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Sep 4, 2024 | 39380A | Rear-Vision Mirrors - Missing or defective | Vehicle Maintenance | — |
| Sep 4, 2024 | 39395A4EENA | Emergency Equipment - Fire Extinguishers - not readily accessible | Vehicle Maintenance | — |
| Sep 4, 2024 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 4, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
Rockbound Inc
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Sergio Lozano · also at 8 others