DAVID MASON AND ASSOCIATES INC
SAINT LOUIS, MO
11/25/2013
67
Power Units
120
Drivers
Current
as of today
Active · 67 power units · 120 drivers · Saint Louis, MO
2026
~Aug 2026
Fleet grew 60 → 67 power units
~Aug 2026
Driver count changed 100 → 120
~Jul 2026
Address changed: ST LOUIS, MO → SAINT LOUIS, MO
800 S VANDEVENTER, ST LOUIS, MO 63110 → 800 S VANDEVENTER AVE, SAINT LOUIS, MO 63110-1244
Jun 30, 2026
MCS-150 biennial update filed
Reported mileage: 71,075 (2025)
Reported power units: 44 → 67
Reported drivers: 22 → 120
~Jun 2026
Fleet grew 15 → 44 power units
2025
Aug 18, 2025
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 15 → 44
Reported drivers: 19 → 22
2024
Oct 7, 2024
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 13 → 15
Reported drivers: 19
Aug 14, 2024
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 13
Reported drivers: 24 → 19
~Mar 2024
Legal name changed
DAVID MASON & ASSOCIATES INC → DAVID MASON AND ASSOCIATES INC
2023
Aug 7, 2023
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 12 → 13
Reported drivers: 28 → 24
2022
Oct 26, 2022
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 18 → 12
Reported drivers: 31 → 28
2021
Apr 27, 2021
MCS-150 biennial update filed
Reported mileage: 100,000 (2020)
Reported power units: 25 → 18
Reported drivers: 35 → 31
2019
Apr 24, 2019
MCS-150 biennial update filed
Reported mileage: 160,000 (2018)
Reported power units: 25
Reported drivers: 35
2013
Nov 25, 2013
DOT registered
Company registered with the FMCSA.