Thomason Investigative Services is owned and managed by licensed private investigator Derek Thomason, M.A., a retired law enforcement officer with over 20 years of public service and experience. 

Our service is always reliable, comprehensive, confidential, and timely.  Thomason Investigative Services has associates throughout the State of California.  Every associate has prior law enforcement experience, meets the highest industry standards for licensed private investigators and shares Mr. Thomason's commitment to integrity and diligence.

Contact Information

Telephone

559-960-0966

FAX

559-324-9193

Mailing address

PO Box 3402, Clovis, CA 93613-3402

Electronic mail

General Information: Derek@ThomasonInvestigations
Internet Web Address: http://www.ThomasonInvestigations.com