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Carrier profile · USDOT 3155380 · Data as of Oct 7, 2026

Main Mechanical Inc

DBA Mainline Welding · Lake Havasu City, AZ · Intrastate (Non-Hazmat) for-hire carrier · Since 2018
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedGeneral FreightMetal: Sheets, Coils, RollsBuilding MaterialsUtilitiesConstruction
View on FMCSA SAFERCall (928) 219-9246
11
Power units
11
Drivers
0
Inspections · 24 mo
0
Crashes · 24 mo
20K
Annual miles
8 yr
Registered
100
/ 100
Clear to load

Operating legally with a clean record

No problems found in FMCSA authority, insurance, inspection or crash data.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
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

No roadside inspections or reportable crashes in the last 24 months, and not rated by FMCSA.

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
11
Power units
11
Trucks
—
Tractors owned
—
Trailers owned
11
Drivers
1
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Non-Hazmat)Authorized for HireExempt for Hire
Cargo carried
General FreightMetal: Sheets, Coils, RollsBuilding MaterialsUtilitiesConstruction
Annual mileage
20,000 mi (2025)

Identity & federal record

FMCSA census · MCS-150
USDOT
3155380
MC / docket
None
Legal name
Main Mechanical Inc
DBA
Mainline Welding
Entity type
Carrier
Operation
Intrastate (Non-Hazmat)
First registered
Jun 29, 2018
Last MCS-150
Sep 16, 2025
Safety rating
Not rated
Drivers (CDL)
11 (1)
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 Main Mechanical Inc's USDOT number?

Main Mechanical Inc's USDOT number is 3155380.

Is Main Mechanical Inc authorized to operate?

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

What is Main Mechanical Inc's safety record?

No roadside inspections or reportable crashes in the last 24 months. Not rated by FMCSA.

How big is Main Mechanical Inc's fleet?

11 power units and 11 drivers per its MCS-150 filed Sep 16, 2025.

Where is Main Mechanical Inc located?

Main Mechanical Inc is located at 7071 Whelan Drive, Lake Havasu City, AZ, 86404. Phone: (928) 219-9246.

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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.