

Founded as oil & gas firm in Tulsa with 3 attorneys, including Walter Hall
John Estill and James Hardwick join firm
Thomas Gable and Thomas Golden join firm
Firm begins expansion of legal services into other practice areas
Fred Nelson joins firm
Until the mid 1970s, Walter Hall serves as sole attorney responsible for firm management. In 1976, the firm elects its first Board of Directors and Managing Partner.
Firm has more than 20 attorneys
The firm changes its name for the last time to Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C.
Oklahoma City office opens
Acquisition of Watson McKenzie law firm in Oklahoma City
Fayetteville, Arkansas office opens
Firm has 85 attorneys firm wide
Acquisition of Nichols Wolfe law firm in Tulsa
Expands Intellectual Property practice in Oklahoma City
Acquisition of Cooper Newsome law firm in Tulsa
Denver office opens
Firm celebrates 50 year anniversary
Completes acquisition of Newton, O'Connor & Ketchum
Hall Estill has more than 130 attorneys firm wide
Hall Estill Tulsa breaks ground on new offices in Tulsa’s Blue Dome district
Hall Estill Oklahoma City completes office renovation in the new BancFirst Tower
Hall Estill Tulsa moves to the Santa Fe Square development
The Hogue Law Firm joins Hall Estill in its Northwest Arkansas office