Callahan Enterprises


Our People


J. Greg Callahan

Mr. Callahan is an accomplished Native American general contractor with demonstrated expertise in the areas of operations and staff management within the residential and commercial construction sectors. Mr. Callahan founded Callahan Construction Company, Inc. in 2002. Because of his entrepreneurial spirit, foresight and love of the technology industry; Mr. Callahan has joined forces with several experts in the technology arena and formed Callahan Enterprises. Mr. Callahan’s drive, innovation and proven ability to provide exceptional service, creates repeat clients who appreciate his approach to getting the job done and done right.

Mr. Callahan has over 30 years experience in his trade and is a Certified Distributor of insulated concrete forms (Green Builder). With this new technology, he is able to stay current with the ever changing advances within his field.






Michael sanders

Mr. Sanders is experienced in the field of information systems, research engineering, and integration. While being successful in building and selling two IT consulting firms, Mr. Sanders has also built a wireless internet service business, providing high speed internet to over 3100 square miles of rural communities. Mr. Sanders has extensive experience in business operations and management, strategic planning, design and development of mission critical applications and is involved in the day-to-day operations of both technical and business management.