Carrier profile · USDOT 2532126 · Updated Jun 13, 2026

WAC LLC

DBA STAMBACK SEPTIC SERVICE

32 power unitsavg 7.6 yrLocal · 1 statesWILLCOX, AZ74/100
AUTHORITY STATUS UNKNOWN
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
1111 E MALEY STREET, WILLCOX, AZ, 85643
Mailing address
PO BOX 1144, WILLCOX, AZ, 85644
Operation
Intrastate (Non-Hazmat)

Contact

Phone
(520) 384-4803
Email
stambackseptic@gmail.com

Registration

Officers
Andrew Schmuker · Jeree Schmuker
USDOT / docket
2532126
First registered
Aug 12, 2014
Last MCS-150
Nov 6, 2024 · 625,000 mi (2024)
FMCSA safety rating
Not rated
D-U-N-S
79238644

Fleet (self-reported · MCS-150)

32Power units
32Drivers
12CDL drivers
625,000Annual 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.