OAK MOUNTAIN INDUSTRIES INCORPORATED
dba GLASROCK PRODUCTS INCORPORATED
ROMULUS, MI
12/04/1998
37
Power Units
49
Drivers
Current
as of today
Active · 37 power units · 49 drivers · Romulus, MI
2026
Apr 22, 2026
MCS-150 biennial update filed
Reported mileage: 200,000 (2024)
Reported power units: 17 → 37
Reported drivers: 17 → 49
Reported trailers: 7 → 14
2025
Sep 25, 2025
MCS-150 biennial update filed
Reported mileage: 180,000 (2024)
Reported power units: 17
Reported drivers: 17
Reported trailers: 7
2023
Sep 25, 2023
MCS-150 biennial update filed
Reported mileage: 180,000 (2022)
Reported power units: 17
Reported drivers: 17
2022
Dec 2, 2022
MCS-150 biennial update filed
Reported mileage: 180,000 (2021)
Reported power units: 18 → 17
Reported drivers: 20 → 17
Feb 18, 2022
MCS-150 biennial update filed
Reported mileage: 180,000 (2021)
Reported power units: 18
Reported drivers: 20
2020
Apr 30, 2020
MCS-150 biennial update filed
Reported mileage: 193,000 (2019)
Reported power units: 18
Reported drivers: 20
1998
Dec 4, 1998
DOT registered
Company registered with the FMCSA.