1. Pfaffenhauser Drilling LLC 3501 40th Ln, Avondale, CO 81022 Coordinate: 38.15622,-104.42335 Phone: (719) 568-7758
2. L & L Excavating Co 5519 Broadacre Rd, Avondale, CO 81022 Coordinate: 38.08269,-104.45172 Phone: (719) 948-3800