Carrier profile · USDOT 887753 · MC-620221 · Updated Jun 13, 2026
MARK WILLIAMS
DBA WILLIAMS & SHANKLIN
2 power unitsWHITE PLAINS, MD50/100
CARRIER INACTIVEMC-620221 INACTIVEUNDELIVERABLE ADDRESS
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 2
- Observed power (24 mo)
- —
- Trailers (towed)
- —
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.