Consulting in the field of maintenance and repair of telecommunications networking hardware, apparatus, and instruments; construction project management services; construction services, namely, telecommunication utility construction services; construction and installation of infrastructure for information technology transport media, namely, manhole construction, duct bank installation, trenching, and horizontal road boring; technical support services in the field of electronic private automated branch telecommunications exchanges hardware; maintenance of computer networking hardware

Consulting in the field of telecommunication services, namely, transmission of voice, data, and documents via telecommunications networks; digital network telecommunications services; telecommunications consultation

Management of information technology systems, namely, data networks; consulting in the field of telecommunications technology; design of telecommunications apparatus and equipment; providing planning and engineering services in the field of information, data and communications networks; custom design and engineering of telephony systems, cable television systems and fiber optics; engineering services in the field of data and communication networks, telecommunications plant design and related technology; planning, design and management of information technology systems; design and engineering of information technology transport media and infrastructure; design and engineering of electronic private automated branch telecommunications exchanges; design and development of data security systems