Carrier profile · USDOT 344755 · Updated Jun 13, 2026
ARMSTRONG CONTRACTORS LLC
14 power unitsavg 10 yrLocal · 1 statesCOLUMBIA, SC80/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
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
- 600 LONGTOWN RD, COLUMBIA, SC, 29229-0018
- Mailing address
- P O BOX 291053, COLUMBIA, SC, 29229-0018
- Operation
- Interstate· Hazmat
Contact
- Phone
- (803) 788-1190
- Cell
- (803) 309-6843
- Fax
- (803) 454-0722
- Web domain
- armstrongcontractors.com
Registration
- Officer
- Michael Armstrong
- USDOT / docket
- 344755
- First registered
- Feb 22, 1989
- Last MCS-150
- Jun 2, 2025 · 500,000 mi (2024)
- FMCSA safety rating
- Satisfactory · Oct 14, 2005
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
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.