Carrier profile · USDOT 3089034 · MC-1100964 · Updated Sep 6, 2026
Rock Hard Cementing LLC
39 power unitsGLENROCK, WY48/100
CARRIER INACTIVEMC-1100964 INACTIVERATED CONDITIONALHAZMAT
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
- 155 KC, GLENROCK, WY, 82637
- Operation
- Interstate· Hazmat
Contact
- Phone
- (307) 436-7118
- Fax
- (307) 436-6920
- Web domain
- rockhardcementing.com
Registration
- Officers
- Jill Rebecca Ailport · Shane Ailport
- USDOT / docket
- 3089034 · MC-1100964
- First registered
- Jan 23, 2018
- Last MCS-150
- Oct 23, 2025 · 251,813 mi (2024)
- FMCSA safety rating
- Conditional · Jun 16, 2023
- 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.