4. Teneo

Location: Dulles, Va.

Website: https://www.teneo.net

Two-Year Growth Rate: 346.28 percent

Top Executive: Piers Carey, CEO

Teneo offers global organizations a mix of next-generation network, storage and security technologies with specialist consultancy and ’as-a-Service’ delivery models. The company recently bought U.K.-based Geode Networks Europe Ltd. The acquisition brings Teneo greater services capabilities, as well as network and application expertise, including consultancy, professional services and support services. The purchase is meant to augment the delivery of Teneo’s SD-WAN, visibility and digital experience monitoring as-a-service offerings.