ROCK N A MATERIALS LLC
SAN MARCOS, TX
05/07/2020
3
Power Units
3
Drivers
Current
as of today
Active · 3 power units · 3 drivers · San Marcos, TX
2025
Sep 25, 2025
MCS-150 biennial update filed
Reported mileage: 250,000 (2024)
Reported power units: 2 → 3
Reported drivers: 3
Reported trailers: 4
2024
Sep 24, 2024
MCS-150 biennial update filed
Reported mileage: 300,000 (2023)
Reported power units: 5 → 2
Reported drivers: 7 → 3
2023
Apr 7, 2023
MCS-150 biennial update filed
Reported mileage: 350,000 (2022)
Reported power units: 2 → 5
Reported drivers: 3 → 7
2022
Jan 28, 2022
MCS-150 biennial update filed
Reported mileage: 50,000 (2021)
Reported power units: 1 → 2
Reported drivers: 1 → 3
2020
May 7, 2020
DOT registered
Company registered with the FMCSA.
May 7, 2020
MCS-150 biennial update filed
Reported power units: 1
Reported drivers: 1