I S GROUP INC
dba INSULATION SOLUTIONS
ROCKLIN, CA
06/12/2015
6
Power Units
6
Drivers
Current
as of today
Active · 6 power units · 6 drivers · Rocklin, CA
2026
Jan 2026
Address changed: PENRYN, CA → ROCKLIN, CA
7129 ENGLISH COLONY WAY, PENRYN, CA 95663 → 269 TECHNOLOGY WAY SUIT 4, ROCKLIN, CA 95765
2025
Dec 15, 2025
MCS-150 biennial update filed
Reported mileage: 120,000 (2025)
Reported power units: 6
Reported drivers: 6
Reported trailers: 3
2024
Jun 10, 2024
MCS-150 biennial update filed
Reported mileage: 400,000 (2023)
Reported power units: 5 → 6
Reported drivers: 1 → 6
Reported trailers: 3
2023
Apr 2023
Address changed: GRASS VALLEY, CA → PENRYN, CA
1020 WHISPERING PINES LANE STE D, GRASS VALLEY, CA 959457862 → 7129 ENGLISH COLONY WAY, PENRYN, CA 95663
Apr 2023
Phone changed
(530) 274-1343 → (530) 273-4866
Apr 2023
Fleet grew 1 → 5 power units
Mar 13, 2023
MCS-150 biennial update filed
Reported mileage: 170,000 (2022)
Reported power units: 5
Reported drivers: 1
2015
Jun 12, 2015
DOT registered
Company registered with the FMCSA.