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Carrier profile · USDOT 2532126 · Data as of Oct 7, 2026

Wac LLC

DBA Stamback Septic Service · Willcox, AZ · Intrastate (Non-Hazmat) carrier · Since 2014
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedGeneral FreightMachinery, Large ObjectsGarbage/RefuseSeptic
View on FMCSA SAFERCall (520) 384-4803
32
Power units
32
Drivers
9
Inspections · 24 mo
1
Crashes · 24 mo
625K
Annual miles
12 yr
Registered
82
/ 100
Review before loading

2 flags to check before loading

1 fatal crash in 24 months. Vehicle OOS above average: 33.3% of vehicle inspections placed out of service vs 22.26% national.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates12/20
Crashes & rating10/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
33.3%▲ above avg
National 22.26% · 2 of 6 inspections
Driver out-of-service
0.0%▼ below avg
National 6.67% · 0 of 9 inspections
Crashes
1
1 fatal0 injury1 tow-away
Crash rate 0.80 per 1M mi
Total inspections
9
Driver inspections
9
Vehicle inspections
6
People injured
0
Fatalities
1
FMCSA rating
Not rated

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

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Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
32
Power units
32
Trucks
2
Tractors owned
2
Trailers owned
32
Drivers
12
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Non-Hazmat)Private Property
Cargo carried
General FreightMachinery, Large ObjectsGarbage/RefuseSeptic
Annual mileage
625,000 mi (2024)

Identity & federal record

FMCSA census · MCS-150
USDOT
2532126
MC / docket
None
Legal name
Wac LLC
DBA
Stamback Septic Service
Entity type
Carrier
Operation
Intrastate (Non-Hazmat)
First registered
Aug 12, 2014
Last MCS-150
Nov 6, 2024
Safety rating
Not rated
Drivers (CDL)
32 (12)
Hazmat
No
Business type
—

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Wac LLC's USDOT number?

Wac LLC's USDOT number is 2532126.

Is Wac LLC authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Wac LLC's safety record?

Over the last 24 months: 9 roadside inspections, a 33.3% vehicle and 0.0% driver out-of-service rate, and 1 reportable crash (1 fatal). Not rated by FMCSA.

How big is Wac LLC's fleet?

32 power units and 32 drivers per its MCS-150 filed Nov 6, 2024.

Where is Wac LLC located?

Wac LLC is located at 1111 E Maley Street, Willcox, AZ, 85643. Phone: (520) 384-4803.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.