Colt Simmons Construction Co., LLC General Contractor ResidentialGeneral Contractor Commercial Colt Simmons Construction Co., LLC Visit Website 948 Miller Road Mount Airy, NC 27030 (336) 786-1883 (336) 464-2242 (fax) About About New Homes, Residential & Commercial Construction in NC/VA. Home additions & renovations. Commercial Upfits. Custom Design Services!