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Collins Companies

Reliable Installations Since 1974!




About Collins Companies

Collins Siding of Rapid City, SD has been your go-to specialty contractor for aluminum, steel and vinyl siding, all types of windows and doors and other quality services. Siding specialists Since 1974, we have been your dependable window, door, siding, and gutter installation specialist. We are licensed and bonded, and our FREE estimates include labor, material, permits, and taxes. We install Pella, Revere, and Simonton windows and honor all manufacturer warranties. A new door can transform the look of your house. Get high-quality doors installed by experienced pros.

More About Collins Companies

Len Collins started Collins Siding in a garage in 1974. Over 41 years the business has grown along with the community. We continue to honor our commitment to excellence - in material, service and workmanship.

We have done commercial and residential siding in South Dakota, as well as throughout the United States. We have done over 8,000 residential homes, numerous churches and commercial projects.

When a project is finished the property owner does a walk-through with the applicator. Payment is collected only after the owner is 100% satisfied with the completed job. We use the highest quality materials available and never compromise on our workmanship. Numerous references are available upon request.

We are licensed, bonded and our estimates always include labor, material, applicable permits and taxes. The estimate will list the scope of work to be performed and will not vary from the final billings unless additional work is requested. Our products all carry manufacturer warranties.


For commercial projects Collins Companies takes pride in offering nationwide installation, professional project management, design services, a variety of suppliers and financial planning.


We strive to maintain high standards. It has been, and continues to be a pleasure for us all here at Collins Siding to be able to offer our services and products in the Black Hills and surrounding communities. We strive to carry on the Standards established by Len Collins. We appreciate the opportunity and look forward to working with you on any of your future projects.


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