WAC LLC
USDOT 2532126 · Doing business as STAMBACK SEPTIC SERVICE
Active, intrastate (non-hazmat) carrier, mid-size fleet (32 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate30% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 2532126 |
|---|---|
| MC Number | — |
| Legal Name | WAC LLC |
| DBA Name | STAMBACK SEPTIC SERVICE |
| Entity Type | — |
| Phone | 5203844803 |
| Address | 1111 E MALEY STREET, Willcox, AZ, 85643 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 10 |
|---|---|
| Out-of-Service Rate | 30% vs 19.1% national average |
| Crashes | 1 total (1 fatal, 0 with injuries, 1 towaway) |
- 2025-04-22 — AZ — 1 fatal, towaway
- 2024-05-09 — AZ — towaway
Most frequent violation categories: 20 (9), 29 (5), 16 (4).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 32 |
|---|---|
| Drivers | 32 |
| Recent Annual Mileage | 625,000 |
| Last MCS-150 Filing | 06-NOV-24 |
WAC LLC operates 32 power units — a larger fleet than 98% of carriers registered in AZ.
Nearby
Other carriers in Willcox, AZ
- WILLCOX ROCK AND SAND INC — USDOT 2457706, 9 power units
- JAMES MININGER INCORPORATED — USDOT 2309750, 4 power units
- WAGON WHEEL FARMS LLC — USDOT 2569262, 4 power units
- MAG 73 LLC — USDOT 2173905, 2 power units
- JOEL GONZALEZ RODARTE — USDOT 2267548, 2 power units
Browse all carriers in Willcox, AZ or all AZ carriers.