Managed Services
Professional Services
Technical Services
B2B e-Commerce
Hours of Operation
Cerritos
Monday-Friday
8am-5pm PST
Riverside
Monday-Friday
8am-5pm PST

Submit a RMA Request
Fill out the request form:
  RMA Request Form

GST covers the Southland with strategic locations in Los Angeles, Riverside and San Bernardino counties to serve your technology needs.

GST Corporate Headquarters
13043 166th Street
Cerritos, CA 90703
Phone: 562-345-8700
Toll Free: 800-833-0128
Service Hotline: 877-778-8930
Fax: 562-345-8701
e-mail: info@gstes.com

GST has three locations covering Southern California and a Miami location servicing South Florida. Our sales representatives, technical support and professional consultants are trained, experienced, and certified to provide you with customized, cost-effective and efficient solutions for all your e-business needs. Let us help you transform your organization with intelligent technology solutions.

National Sales Headquarters
13043 166th Street
Cerritos, CA 90703GST Map                                                              GST Headquarters (California)
Phone: 562-345-8700
Toll Free: 800-833-0128
Service Hotline: 877-778-8930
Fax: 562-345-8701
e-mail: sales@gstes.com

Sales Office Serving the Inland Empire
1215 Columbia Ave., Suite C3
Riverside, CA 92507
Phone: 951-778-8930
Service Hotline: 877-778-8930
Fax: 951-778-8931
e-mail: sales@gstes.com

1910 Orange Tree Lane, Suite 324
Redlands, CA 92374
Phone: 909-801-8090
Service Hotline: 877-778-8930
Fax: 909-801-8092
e-mail: sales@gstes.com

Sales Office Serving South Florida
14331 SW 120th Street, Suite 102
Miami, FL  33186
Phone: 305-387-6076
Fax: 305-387-6077
e-mail: sales@gstes.com