Carrier profile · USDOT 2340459 · Updated Jun 13, 2026
Master Insulation and Services
3 power unitsLocal · 1 statesMOUNT VERNON, WA78/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 1725 RAILROAD AVE, MOUNT VERNON, WA, 98273
- Mailing address
- PO BOX 2921, MOUNT VENRON, WA, 98273
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (360) 424-5179
- Fax
- (360) 428-5081
Registration
- Officer
- Sergio Lozano
- USDOT / docket
- 2340459
- First registered
- Sep 6, 2012
- Last MCS-150
- Aug 26, 2019 · 1 mi (2018)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.