Public FMCSA profile
SIERRA INSULATION CO INC
USDOT 1396146 - Auburn, CA - Motor Carrier
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Company Snapshot
ActiveOperating status
Not reportedActive dockets
Not reportedInsurance filings
Not reportedSafety rating
Identity And Contact
- Legal name
- SIERRA INSULATION CO INC
- USDOT
- 1396146
- Entity type
- PRIVATE PROPERTY
- Operating status
- Active
- Business address
- 2025 AIRPARK CT STE 50, AUBURN, CA
- Phone
- 5308892186
- lewilliams@sierrainsulationco.com
- Fax
- 5308892199
- Company officer
- TIM WILLIAMS
- MCS-150 date
- 2026-04-16
- DOT add date
- 2005-07-18
Authority And Registration
- Carrier operation
- A
No stored Motus authority rows are available for this profile.
Insurance And Bond Filings
No local insurance or bond filing rows are stored for this docket.
Safety And Operations
- Power units
- 11
- Drivers
- 20
- Annual mileage
- 250,000 (2024)
- Recordable crash rate
- 0.000
- Operation class
- PRIVATE PROPERTY
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Last local record update: 2026-09-29T07:30:54.160Z. LongMile is independent and is not affiliated with FMCSA, USDOT, or SAM.gov. Verify important information at the source before acting.