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About Csi
Csi is listed as a company employing 160 people and based in Oak Brook, Illinois, United States.
Csi is one of 1,843,395 companies listed in Illinois.
Business Contact Information
- Phone
- +1 630-684-2358
- www.linkedin.com/company/csi_3
- Address
- 1415 W 22nd St, Oak Brook, Illinois, 60523, United States
Company Details
- Employees
- 160
Csi: frequently asked questions
What does Csi do?
Csi is listed as a company employing 160 people and based in Oak Brook, Illinois, United States.
Where is Csi located?
Csi is located at 1415 W 22nd St, Oak Brook, Illinois, 60523, United States.
How many employees does Csi have?
Csi has about 160 employees.
How can I contact Csi?
Its website is www.computersysinc.com and its phone number is +1 630-684-2358.
Largest companies in Illinois
Largest companies on Factur
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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