Company Name

Industry

Location

Revenue

Employees

Red Box

Telecommunications

United States, Illinois

$250M to $500M

51-200

Harrisonville Telephone Company

Telecommunications

United States, Illinois

$250M to $500M

51-200

Infinite Convergence Solutions

Telecommunications

United States, Illinois

$250M to $500M

51-200

FULLERTON

Telecommunications

United States, Illinois

$100M to $250M

51-200

Neovia

Telecommunications

United States, Illinois

$100M to $250M

51-200

USRobotics

Telecommunications

United States, Illinois

$100M to $250M

51-200

Westell

Telecommunications

United States, Illinois

$100M to $250M

51-200

RoomReady

Telecommunications

United States, Illinois

$50M to $100M

51-200

RedSky Technologies, An Everbridge Company

Telecommunications

United States, Illinois

$50M to $100M

51-200

MidCo

Telecommunications

United States, Illinois

$50M to $100M

51-200

Nitel

Telecommunications

United States, Illinois

$50M to $100M

51-200

Comtech Solacom Call Handling Solutions

Telecommunications

United States, Illinois

$50M to $100M

51-200

Peerless Network, an Infobip Company

Telecommunications

United States, Illinois

$50M to $100M

51-200

Regent Communications

Telecommunications

United States, Illinois

$50M to $100M

51-200

Polaris Networks

Telecommunications

United States, Illinois

$25M to $50M

51-200

Communications Data Group

Telecommunications

United States, Illinois

$25M to $50M

51-200

Talkaphone

Telecommunications

United States, Illinois

$25M to $50M

51-200

Primus Electronics Corporation

Telecommunications

United States, Illinois

$25M to $50M

51-200

Hologram

Telecommunications

United States, Illinois

$25M to $50M

51-200

Converged Communication Systems

Telecommunications

United States, Illinois

$25M to $50M

51-200