Company Name

Industry

Location

Revenue

Employees

Chicago Fire Department

Public Safety

United States, Illinois

$1B and Over

5001-10000

ComEd

Utilities

United States, Illinois

$500M to $1B

5001-10000

Cook County Sheriff’s Office

Law Enforcement

United States, Illinois

$250M to $500M

5001-10000

Hallcon Corporation

Government Administration

United States, Illinois

$100M to $250M

5001-10000

Rock Island Arsenal

Military

United States, Illinois

$50M to $100M

5001-10000

Federal Laboratory Consortium

Government Relations

United States, Illinois

$1M to $5M

5001-10000