HERBERT W COLLINS INC
dba ONE HOUR AIR CONDITIONING & HEATING
MOUNT AIRY, MD
06/26/2002
3
Power Units
8
Drivers
Current
as of today
Active · 3 power units · 8 drivers · Mount Airy, MD
2025
~Sep 2025
Driver count changed 3 → 8
2024
Apr 22, 2024
MCS-150 biennial update filed
Reported mileage: 5,000 (2021)
Reported power units: 3
Reported drivers: 3
2022
Apr 7, 2022
MCS-150 biennial update filed
Reported mileage: 5,000 (2021)
Reported power units: 1 → 3
Reported drivers: 1 → 3
2019
Apr 4, 2019
MCS-150 biennial update filed
Reported mileage: 10 (2018)
Reported power units: 1
Reported drivers: 1
2002
Jun 26, 2002
DOT registered
Company registered with the FMCSA.