Hills Materials Company
Simon Contractors Of South Dakota Inc · Rapid City, SD · Interstate
Motor Carrier
✓ Authority Active
48
Power units
55
Drivers
20
Roadside inspections
Services
What we move
For-hire trucking
Authorized interstate freight transportation with a fleet of 48 power units.
Property freight
Federal authority on file to haul general property freight.
Interstate operations
Operating scope on federal record: interstate, based out of SD.
Derived from federal registrations. Claim this page to list your exact equipment and lanes.
Fleet & safety
The operation
Fleet photos from simonteam.com
20
Inspections
Apr 15, 2026
Most recent
Aug 10, 2023
Earliest on file
| Date | State | Level |
|---|---|---|
| Apr 15, 2026 | NE | Level III — Driver-only |
| Dec 17, 2025 | NE | Level III — Driver-only |
| Dec 16, 2025 | WY | Level II — Walk-around |
| Sep 25, 2025 | SD | Level II — Walk-around |
| Jun 25, 2025 | CO | Level III — Driver-only |
About
Who we are
Hills Materials Company is an interstate motor carrier based in Rapid City, SD.
“We do more than build roads—we create opportunities and lasting connections. Grounded in grit and driven by purpose, our projects start with raw materials and turn into real infrastructure that strengthens communities. From asphalt and concrete paving to bridges and utility work, we deliver quality that stands the test of time. Whether you’re looking for a team where hard work leads to opportunity or a trusted …”— in their own words, from simonteam.com
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with Hills Materials Company
Address
3975 Sturgis Road
Rapid City, SD 57702
Phone
(605) 394-3300
RH•••@S•••.COM
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Claim Hills Materials Company — free →Authority history (3 actions)
- Granted — Motor Property Common Carrier
- Involuntary Revocation — Common
- Involuntary Revocation — Common