We Carry the National Brands You Have Trusted for Years.Black Hills Chemical & Janitorial was founded in 1948 in Rapid City, SD. Over the last 61 years, we have built a reputation for quality products and services. As the regions premier distributor of Janitorial Supplies, Paper Products, Cleaning Equipment, Laundry and Warewash Products and Services, as well as Industrial Chemicals and Supplies, you can be assured that we can handle almost any need your business may have. Customer service always has been, and will continue to be, our primary focus. Our response time and attention to our customers needs have made us #1. If youre not familiar with us, give us a call and let us prove it to you!