Our Services
Our services include site development, underground utilities, driveways, roadways, highways, parking lots and drainage control.  We also offer equipment repair services through our company shop facility.


| Products

Hills Materials Company is the premier supplier of crushed limestone, sand and gravel, ready mix concrete, hot mix asphalt, emulsions, and recycled products in western South Dakota.

Hills Materials Company offers a large variety of aggregates, ranging from #200 Fines to Rip Rap.  Sources of material depend on location for limestone and alluvial products.  From supplying aggregate base course for your driveway, to meeting federal specifications, we have the knowledge and experience to complete your projects.

Our Rapid City, Spearfish, Hot Springs, and portable plants have the ability to supply all of your asphalt needs, whether it’s a driveway, parking lot, or an interstate highway.  We supply cold mix asphalt for your specific applications.

Hills Materials Company produces and delivers a wide range of anionic and cationic emulsions.  We have the capacity to meet your needs at our Rapid City emulsion production facility.

Ready Mix Concrete
Hills Materials Company provides ready mix concrete throughout western South Dakota.  We have a wide variety of mix designs, quality, and service that you deserve.  Our ready mix trucks are equipped with GPS signaling to ensure timely delivery.  We also supply various precast products such as landscape blocks, cattle guard bases, septic tanks, and parking bumpers.

Recycled Products

We strive to be an environmental leader by utilizing construction materials such as crushed concrete base, recycled shingles, and dust free black base. These materials may be a "green" alternative solution for your project with value added benefits.

Specialty Products 

Beyond our core business we also offer products such as Salt/Sand for winter applications, landscape materials, and Diamond Dry for baseball fields to name a few.

If you would like to request more info on any of our materials or services please submit a “Request A Quote” or contact us


Rapid City, SD

Spearfish, SD

Hot Springs, SD

Sturgis, SD

​Custer, SD

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