SUBSTATION CONSTRUCTION SERVICES LLC
YORK, SC
01/25/2011
22
Power Units
36
Drivers
Current
as of today
Active · 22 power units · 36 drivers · York, SC
2026
~Apr 2026
Email changed
jwilliams@substationconcrete.com → jeff.williams@substationcs.com
Apr 14, 2026
MCS-150 biennial update filed
Reported mileage: 218,834 (2025)
Reported power units: 22
Reported drivers: 36
Reported trailers: 10
2025
~Oct 2025
Legal name changed
SUBSTATION CONCRETE SERVICES INC → SUBSTATION CONSTRUCTION SERVICES LLC
Aug 11, 2025
MCS-150 biennial update filed
Reported mileage: 212,926 (2024)
Reported power units: 22
Reported drivers: 36
Reported trailers: 10
Jun 30, 2025
MCS-150 biennial update filed
Reported mileage: 212,926 (2024)
Reported power units: 33 → 22
Reported drivers: 35 → 36
2024
May 22, 2024
MCS-150 biennial update filed
Reported mileage: 328,461 (2023)
Reported power units: 35 → 33
Reported drivers: 36 → 35
2023
May 11, 2023
MCS-150 biennial update filed
Reported mileage: 287,154 (2022)
Reported power units: 34 → 35
Reported drivers: 38 → 36
Jan 16, 2023
MCS-150 biennial update filed
Reported mileage: 287,154 (2022)
Reported power units: 28 → 34
Reported drivers: 38
2021
May 25, 2021
MCS-150 biennial update filed
Reported mileage: 330,000 (2020)
Reported power units: 27 → 28
Reported drivers: 22 → 38
2019
Feb 13, 2019
MCS-150 biennial update filed
Reported mileage: 298,000 (2014)
Reported power units: 27
Reported drivers: 22
2012
Jun 11, 2012
OOS order rescinded
May 7, 2012
Out-of-service order
New Entrant Revoked - Failure of Safety Audit
2011
Jan 25, 2011
DOT registered
Company registered with the FMCSA.