Contact CSI Technical Services, Inc.

CSI Technical Services, Inc
820 E. Terra Acotta Ave., Suite 156
Crystal Lake, IL 60014

Contact us for all your computer needs!

Marshall Handelsman (President) 815-356-8110 x 101
marshall@ask4csi.com

Kevin Adler (Operations Manager) 815-356-8110 x 102
kevin@ask4csi.com

Mario Alfonso (Sales & Support) 815-356-8110 x 105
mario@ask4csi.com

Heather Merkel (Sales & A/R) 815-356-8110 x 103
heather@ask4csi.com

After Hour Paging System
Follow Prompts to after hour support option. 4 hour response.
800-275-4274 (After Hour Support Fee's Apply)

General Fax:
815-356-8156