Located throughout a twelve state region in the central United States, INS maintains offices at locations to best respond to our customers.

Corporate Headquarters
724 E. Kensington Road
Arlington Heights IL, 60004
Phone: 847/298-4777
Fax: 847/298-4788

Missouri & Southern Illinois
354 Keystone Dr
Suite 203
St Louis, Mo 63026
Phone: 636/349-5154

Indiana Region
8910 Purdue Road
Suite 480
Indianapolis, IN 46268
Phone: 317/616-2456

Minnesota & Dakota's Region
7900 International Drive
Suite 200
Bloomington, MN 55425
Phone: 612/940-2504

Wisconsin & Upper Michigan
250 E. Wisconsin Ave.
18th Floor, PMB 1800
Milwaukee, WI 53202
Phone: 414/347-7811

Kentucky Region
4500 Bowling Blvd.
Suite 100
Louisville, KY 40207
Phone: 502/635-5627

Nebraska / Kansas Region
7300 W. 110th St.
7th Floor
Overland Park, KS 66210
Phone: 636/349-5154