Carrier profile · USDOT 826470 · MC-366946 · Updated Jun 13, 2026

DIAMOND BULK TRANSPORTATION INC

82 power unitsHOLLY HILL, SC50/100
CARRIER INACTIVEMC-366946 INACTIVE
Verified linksFMCSA SAFER

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Physical address
469 BOYER RD, HOLLY HILL, SC, 29059
Mailing address
PO BOX 580, HOLLY HILL, SC, 29059
Operation
Interstate

Contact

Phone
(803) 496-1500
Fax
(803) 496-1501
Email
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Registration

Officers
Robert L Williamson · Victor Thomson
USDOT / docket
826470 · MC-366946
First registered
Sep 3, 1999
Last MCS-150
Apr 26, 2007 · 3,910,515 mi (2005)
FMCSA safety rating
Not rated
D-U-N-S
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Fleet (self-reported · MCS-150)

82Power units
82Drivers
82CDL drivers
3,910,515Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.