Mays Concrete, Inc. Share: Concrete Construction Visit Website 2399 Riverside Parkway Grand Junction, CO 81505 (970) 243-5669 (970) 245-2661 (fax) Hours: Monday - Friday -- (7AM-5PM)Saturday & Sunday -- (Closed) About About Since 1966 Mays Concrete, Inc. has been the most recognized and diversified concrete contractor in western Colorado, eastern Utah, New Mexico and Arizona. Diamond Members New Members Upcoming Events