SUPERIOR WELDING SUPPLY CO
WATERLOO, IA
06/01/1974
24
Power Units
16
Drivers
Current
as of today
Active · 24 power units · 16 drivers · Waterloo, IA
2026
~Aug 2026
Fleet grew 11 → 24 power units
~Aug 2026
Driver count changed 14 → 16
Apr 22, 2026
MCS-150 biennial update filed
Reported mileage: 242,039 (2025)
Reported power units: 11 → 24
Reported drivers: 14 → 16
Feb 10, 2026
MCS-150 biennial update filed
Reported mileage: 242,039 (2025)
Reported power units: 11
Reported drivers: 14
2025
Dec 16, 2025
MCS-150 biennial update filed
Reported mileage: 242,039 (2025)
Reported power units: 11
Reported drivers: 14
Nov 24, 2025
MCS-150 biennial update filed
Reported mileage: 242,039 (2025)
Reported power units: 11
Reported drivers: 14
Oct 8, 2025
MCS-150 biennial update filed
Reported mileage: 242,039 (2024)
Reported power units: 12 → 11
Reported drivers: 15 → 14
Aug 26, 2025
MCS-150 biennial update filed
Reported mileage: 235,000 (2023)
Reported power units: 12
Reported drivers: 15
2024
Jun 27, 2024
MCS-150 biennial update filed
Reported mileage: 288,400 (2023)
Reported power units: 12
Reported drivers: 16 → 15
2023
Nov 6, 2023
MCS-150 biennial update filed
Reported mileage: 288,400 (2023)
Reported power units: 12
Reported drivers: 17 → 16
2021
Aug 17, 2021
MCS-150 biennial update filed
Reported mileage: 252,000 (2018)
Reported power units: 12
Reported drivers: 19 → 17
2020
Oct 13, 2020
MCS-150 biennial update filed
Reported mileage: 252,000 (2018)
Reported power units: 12
Reported drivers: 19
1993
Sep 30, 1993
Safety rating: Satisfactory
FMCSA electronic records for this carrier begin before June 1974; the carrier may be older.