660-826-4538

Contact Us

"GSI Services"

GSI Services may be contacted by any of the following means:

DepartmentEmail
Investigative Servicespi@gsiservices.biz
Process Servicesserve@gsiservices.biz
Human Resourceshr@gsiservices.biz

U.S. Mail

GSI Services
P.O. Box  883
Sedalia, MO 65301-0883

Phone: 660-826-4538

All correspondence will receive a reply upon receipt. Any information or bid request will be held in the strictest of confidence. Those individuals wishing a confidential reply, please include instructions with your request.

Employment Opportunity inquires should be directed to Human Resources. Please be assured  every attempt will be made to respond in a quick manner. Please include a telephone number and email address if available.

Online Response Form: