Carrier profile · USDOT 410407 · Updated Jul 22, 2026

Spenard Builders Supply LLC

DBA A BUILDERS FIRST SOURCE COMPANY

133 power unitsavg 12.2 yrLocal · 1 statesANCHORAGE, AK100/100
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

Mailing address
2001 BRYAN STREET SUITE 1600, DALLAS, TX, 75201
Operation
Intrastate (Non-Hazmat)

Contact

Web domain
bldr.com

Registration

Officers
Alan Shamblin · Michael Sieburt
USDOT / docket
410407
First registered
Jun 1, 1974
Last MCS-150
Sep 18, 2024 · 935,307 mi (2022)
FMCSA safety rating
Not rated
D-U-N-S
35408830

Fleet (self-reported · MCS-150)

133Power units
158Drivers
60CDL drivers
935,307Annual mileage

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.