Carrier profile · USDOT 3296406 · Updated Aug 2, 2026

Southwest Valley Constructors Co

22 power unitsLocal · 1 statesWESTLAKE, TX50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linkskiewit.comFMCSA SAFER

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

Shares a registration email domain with other carriers

@kiewit.com — 65 carriers: USDOT 72135USDOT 210725USDOT 234727USDOT 314836USDOT 323310USDOT 363062USDOT 419691USDOT 419694

Shares a company officer with other carriers

christine souder — 9 carriers: USDOT 578576USDOT 1982093USDOT 2548203USDOT 2551459USDOT 3880325USDOT 4041393USDOT 4368657USDOT 4552380

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)22
Observed (24 mo)4

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Owner / group view· confidence: email domain + officer

Owner / group view

Affiliated authorities

Collapses 65 related authorities · joined by email domain + officer

Authorities
65
Combined power
1,348
States
16
Oldest authority
Jun 1, 1974
Active now
32

Affiliated entities· hover to preview

1884 LINE COMASS ELECTRIC CONSTRUCTION COMPANYKIEWIT POWER CONSTRUCTORS COKIEWIT INFRASTRUCTURE WEST COKIEWIT CLYDE JOINT VENTUREKIEWIT INFRASTRUCTURE COSOUTH-POINT CONSTRUCTORS A JOINT VENTUREKIEWIT INFRASTRUCTURE SOUTH COMPANY