VARRA COMPANIES, INC. Share: Concrete-Ready MixSand & Gravel VARRA COMPANIES, INC. Visit Website Request Info 8120 Gage St. Frederick, CO 80516 (303) 666-6657 303-666-6743 (fax) varracompanies.com About Map About Please call Eric at 303-666-6657 for Sand & Gravel sales and Amanda at 303-666-6657 for Concrete sales. What's Nearby? Distance: 5 10 15 20 25 50 mi.