1988
Law Office of Thomas M. Ryan
Thomas Ryan opened his solo practice in Chandler, Arizona
1999
Merger with Treon, Strick
Law Office of Thomas M. Ryan merged with the Phoenix law firm of Treon, Strick, Lucia & Aguirre
2010
Law Office of Thomas M. Ryan
The Law Office of Thomas M. Ryan was re-established in Chandler, Arizona
2023
Ryan & Casey, PLLC
Thomas Ryan and Timothy Casey joined forces and established the law firm of Ryan & Casey, PLLC