KEY WHOLESALE BUILDING PRODUCTS INC
MASON CITY, IA
06/01/1974
6
Power Units
5
Drivers
Current
as of today
Active · 6 power units · 5 drivers · Mason City, IA
2026
~Jan 2026
Address changed
1136 SOUTH CAROLINA AVE, MASON CITY, IA 50402-1256 → 1136 SOUTH CAROLINA AVE, MASON CITY, IA 50402
2025
Dec 30, 2025
MCS-150 biennial update filed
Reported mileage: 229,044 (2024)
Reported power units: 5 → 6
Reported drivers: 4 → 5
Reported trailers: 9 → 7
2024
Nov 6, 2024
MCS-150 biennial update filed
Reported mileage: 229,044 (2023)
Reported power units: 5
Reported drivers: 5 → 4
Reported trailers: 9
Jan 22, 2024
MCS-150 biennial update filed
Reported mileage: 318,720 (2023)
Reported power units: 4 → 5
Reported drivers: 4 → 5
2022
Jan 18, 2022
MCS-150 biennial update filed
Reported mileage: 229,044 (2021)
Reported power units: 4
Reported drivers: 4
2020
Jan 24, 2020
MCS-150 biennial update filed
Reported mileage: 240,042 (2019)
Reported power units: 4
Reported drivers: 4
2009
Oct 6, 2009
Safety rating: Satisfactory
FMCSA electronic records for this carrier begin before June 1974; the carrier may be older.