Our Mission

At Hills Materials Company, we strive to provide our customers with the finest quality crushed limestone construction products in the business. Hills Materials Company is also a premier contractor for all phases of heavy highway and utility construction in the Black Hills area. Hills Materials Company provides site development, underground utilities, streets, highways, parking lots and drainage control development.


Since 1925, Hills Materials Company has been supplying the material and helping build the infrastructure of western South Dakota, eastern Wyoming, southwestern North Dakota and northwestern Nebraska for over 90 years.  Through steady, careful planning, Hills Materials Company established itself both as a premier construction company and as one of the largest suppliers of superior quality asphalt, concrete and rock products in the region.  Our extensive resources have enabled us to become one of the most efficient, vertically integrated construction companies in the four state regions.  Adding to this solid foundation, our recent partnership with Simon Contractors has given us an even greater range of resources and unmatched expertise.

Proudly serving you for more than 90 years, we eagerly look forward to supplying all of your future project needs!


Rapid City, SD

Spearfish, SD

Hot Springs, SD

Sturgis, SD

​Custer, SD

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