Harvey E. Yates Company (HEYCO), based in Roswell, New Mexico, is the backbone of the HEYCO group of companies and has been active in exploration and production operations in the Permian Basin of New Mexico and West Texas since its formation in 1969 by Harvey E. Yates, a pioneer oil man and wildcatter.

HEYCO operates approximately 176 producing wells and 301 Non-operated wells and is currently developing deep gas reserves in the Morrow and Atoka formations (early Pennsylvanian). 

HEYCO also is well known for its pioneering development of the Bone Springs (Permian oil), a prolific shelf-edge carbonate play, and for the first commercial production in the Orogrande Basin of Southeastern New Mexico, discovered in 1997 with an exploration well located 70 miles from existing production.  HEYCO currently holds 157,471 gross and 57,464  net acres in southeastern New Mexico and west Texas.