AMEREN SERVICES COMPANY
dba AMEREN AND AMEREN ILLINOIS AND AMEREN MISSOURI
SAINT LOUIS, MO
06/01/1974
2,364
Power Units
2,153
Drivers
Current
as of today
Active · 2364 power units · 2153 drivers · Saint Louis, MO
2025
Nov 17, 2025
MCS-150 biennial update filed
Reported mileage: 27,051,198 (2024)
Reported power units: 2,364
Reported drivers: 2,153
Reported trailers: 1,917
Jun 4, 2025
MCS-150 biennial update filed
Reported mileage: 27,051,198 (2023)
Reported power units: 2,336 → 2,364
Reported drivers: 2,319 → 2,153
Reported trailers: 1,917
2024
May 16, 2024
MCS-150 biennial update filed
Reported mileage: 27,051,198 (2023)
Reported power units: 2,378 → 2,336
Reported drivers: 2,290 → 2,319
~Mar 2024
Phone changed
(618) 343-8122 → (309) 241-2967
~Mar 2024
Email changed
mwarren2@ameren.com → klawson@ameren.com
2023
Jun 7, 2023
MCS-150 biennial update filed
Reported mileage: 25,112,902 (2022)
Reported power units: 2,371 → 2,378
Reported drivers: 2,299 → 2,290
2022
Jun 23, 2022
MCS-150 biennial update filed
Reported mileage: 25,650,303 (2021)
Reported power units: 2,292 → 2,371
Reported drivers: 2,561 → 2,299
2020
Jun 16, 2020
MCS-150 biennial update filed
Reported mileage: 25,456,581 (2019)
Reported power units: 2,292
Reported drivers: 2,561
2012
Aug 6, 2012
Safety rating: Satisfactory
FMCSA electronic records for this carrier begin before June 1974; the carrier may be older.