Carrier profile · USDOT 4515420 · Updated Jun 13, 2026
ROCK HARD READY MIX LLC
11 power unitsCONWAY, SC50/100
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
- 920 BROWN SWAMP RD, CONWAY, SC, 29527-3639
- Mailing address
- PO BOX 42, AYNOR, SC, 29511-0042
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (843) 742-1248
- marykate@sccoast.net
- Web domain
- sccoast.net
Registration
- Officers
- Briggs Michael Dorman · Joseph Daniel Richardson Ii
- USDOT / docket
- 4515420
- First registered
- Jan 8, 2026
- Last MCS-150
- Jan 8, 2026
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Annual 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.