Carrier profile · USDOT 1101677 · MC-446912 · Updated Jun 13, 2026

Diamond Logistics of Houston Inc

70 power unitsHOUSTON, TX50/100
CARRIER INACTIVEMC-446912 INACTIVEHAZMAT
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
4509 OATES ROAD, HOUSTON, TX, 77013
Mailing address
PO BOX 8722, HOUSTON, TX, 77249
Operation
Interstate· Hazmat

Contact

Phone
(713) 670-0400
Fax
(713) 671-9009
Email
—

Registration

Officers
Michael J Mourain · Howard H Harris
USDOT / docket
1101677 · MC-446912
First registered
Feb 28, 2003
Last MCS-150
May 25, 2005 · 3,144,000 mi (2004)
FMCSA safety rating
Not rated
Recordable crash rate
0.00
D-U-N-S
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Fleet (self-reported · MCS-150)

70Power units
70Drivers
70CDL drivers
3,144,000Annual 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.