William Earthman Agency/Goosehead Insurance Brokerage Share: Insurance William Earthman Agency/Goosehead Insurance Brokerage Request Info 310 Market St #107 Basalt, CO 81621 (970) 927-1444 About Map About Personal Lines insurance brokerage firm that represents over 30 A + insurance companies. Companies like Travelers, Nationwide, Progressive, Pure, Chubb etc. What's Nearby? Distance: 5 10 15 20 25 50 mi.