McElvain Energy, Inc., Joe Kelloff (Individual Member) Share: ProducerA Full Membership Category McElvain Energy, Inc., Joe Kelloff (Individual Member) 1050 17th Street, Suite 2500 Denver, CO 80265 (303) 893-0933 (303) 893-0914 (fax) Rep Info Map Whom to Contact Steve Shefte Phone: (303) 893-0933 What's Nearby? Distance: 5 10 15 20 25 50 mi.