Carrier profile · USDOT 2551459 · Updated Jun 13, 2026

SOUTHGATE CONSTRUCTORS A JOINT VENTURE

1 power unitWESTLAKE, TX50/100
AUTHORITY STATUS UNKNOWN
Verified linkskiewit.comFMCSA 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

Mailing address
3831 TECHNOLOGY FOREST BLVD, THE WOODLANDS, TX, 77381
Operation
Interstate

Contact

Fax
(303) 736-4033
Web domain
kiewit.com

Registration

Officer
Christine Souder
USDOT / docket
2551459
First registered
Oct 20, 2014
Last MCS-150
Sep 5, 2024 · 1 mi (2023)
FMCSA safety rating
Not rated
D-U-N-S

Fleet (self-reported · MCS-150)

1Power units
1Drivers
CDL drivers
1Annual 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.