SIERRA INSULATION CO INC
AUBURN, CA
07/18/2005
11
Power Units
20
Drivers
Current
as of today
Active · 11 power units · 20 drivers · Auburn, CA
2026
Apr 16, 2026
MCS-150 biennial update filed
Reported mileage: 250,000 (2024)
Reported power units: 14 → 11
Reported drivers: 12 → 20
Reported trailers: 2 → 3
2024
Oct 8, 2024
MCS-150 biennial update filed
Reported mileage: 250,000 (2024)
Reported power units: 14
Reported drivers: 12
Reported trailers: 2
Feb 20, 2024
MCS-150 biennial update filed
Reported mileage: 180,000 (2023)
Reported power units: 10 → 14
Reported drivers: 12
2022
Nov 28, 2022
MCS-150 biennial update filed
Reported mileage: 140,000 (2021)
Reported power units: 10
Reported drivers: 12
Jan 31, 2022
MCS-150 biennial update filed
Reported mileage: 140,000 (2021)
Reported power units: 10
Reported drivers: 12
2021
Feb 16, 2021
MCS-150 biennial update filed
Reported mileage: 140,000 (2019)
Reported power units: 10
Reported drivers: 12
2005
Jul 18, 2005
DOT registered
Company registered with the FMCSA.