Carrier profile · USDOT 3089034 · MC-1100964 · Updated Jun 13, 2026

ROCK HARD CEMENTING LLC

39 power unitsGLENROCK, WY48/100
CARRIER INACTIVEMC-1100964 INACTIVEHAZMAT

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
PO BOX 1180, GLENROCK, WY, 82637
Operation
Interstate· Hazmat

Contact

Fax
(307) 436-6920
Web domain
rockhardcementing.com

Registration

Officers
Shane Ailport · Jill Rebecca Ailport
USDOT / docket
3089034 · MC-1100964
First registered
Jan 23, 2018
Last MCS-150
Oct 23, 2025 · 251,813 mi (2024)
FMCSA safety rating
Not rated
D-U-N-S

Fleet (self-reported · MCS-150)

39Power units
50Drivers
50CDL drivers
251,813Annual 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.