MAINLINE WELDING
Legal name: MAIN MECHANICAL INC
- DOT
- 3155380
- Authority
- AUTHORIZED FOR HIRE;EXEMPT FOR HIRE
About MAINLINE WELDING
Mainline Welding is a small-fleet motor carrier based in Lake Havasu City, AZ, registered with the FMCSA since 2018 (8 years). The carrier operates 11 power units and 11 drivers, placing it in the 75th percentile of US for-hire carriers by fleet size. Operating authority: AUTHORIZED FOR HIRE, EXEMPT FOR HIRE. Reported 20,000 annual miles for 2025 — approximately 1,818 miles per power unit. Cargo carried includes construction and metalsheet.
Browse other for-hire carriers based in AZ, or see all FMCSA-registered carriers.
Fleet & operations
- Power units
- 11
- Drivers
- 11
- Annual miles
- 20,000
1 CDL
reported for 2025
Cargo carried
Equipment owned
- Truck
- 11
Other carriers in AZ
Data sourced from FMCSA Company Census (public domain). Last refreshed Aug 22, 2026. MCS-150 last updated Sep 2025.