Carrier profile · USDOT 1708684 · Updated Jun 13, 2026
Subterranean Construction Corporation
0 power unitsPHOENIX, AZ50/100
AUTHORITY STATUS UNKNOWN
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
- 302 W ELWOOD, PHOENIX, AZ, 85041
- Mailing address
- P O BOX 229, PHOENIX, AZ, 85001
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (602) 305-7333
- Fax
- (602) 305-7737
- Web domain
- qwestoffice.net
Registration
- Officers
- Jimmy Singleton · Susan Singleton
- USDOT / docket
- 1708684
- First registered
- Nov 15, 2007
- Last MCS-150
- Nov 15, 2007 · 20,000 mi (2006)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 966201964
Fleet (self-reported · MCS-150)
—Power units
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.