Carrier profile · USDOT 2707187 · Updated Aug 20, 2026
Main Line Engineering Construction Inc
7 power unitsavg 14.7 yrLocal · 1 statesLOMPOC, CA88/100
AUTHORITY STATUS UNKNOWN
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
- 228 AMHERST PLACE, LOMPOC, CA, 93436
- Mailing address
- PO BOX 2209, LOMPOC, CA, 93438
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (805) 588-5223
- Web domain
- mainlinecorp.com
Registration
- Officers
- Ariel Arroyo · Antonio Arroyo
- USDOT / docket
- 2707187
- First registered
- Jun 12, 2015
- Last MCS-150
- Mar 26, 2026 · 65,000 mi (2024)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
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.