CONTACT US / FIND US Thank You for Visiting WCCA. To Request Information about the Association, Please Fill Out Form Below. Western Colorado Contractors Association Western Colorado Contractors Association is a regional association based in Grand Junction, Colorado. We offer a comprehensive weekly project listing and online and physical planrooms. Address 2470 Patterson Road, Suite 14 Grand Junction, CO 81505 [email protected] 970-245-1384 Contact Us Name Company Email Phone Message Submit If you are human, leave this field blank.