541513 – Computer Facilities Management Services. Provide on-site management and operation of clients’ computer systems and/or data processing facilities.

541611 – Administrative Management and General Management Consulting Services. Provide operating advice and assistance to businesses and other organizations on administrative management issues, such as financial planning and budgeting, equity and asset management, records management, office planning, strategic and organizational planning, site selection, new business startup, and business process improvement. Also includes the full range of management consulting to include administrative, human resources, marketing, process, physical distribution, and logistics services.

33420 – Telephone Apparatus Manufacturing. Primarily involved in the manufacturing, installation, and/or operation of telephone and data communications equipment. The products may be standalone or board level components of a larger system. Examples include central office switching equipment, cordless telephone (except cellular), PBX equipment, telephones, telephone answering machines, LAN modems, multi-user modems, and other data communication equipment, such as bridges, routers, and gateways.

541618 – Other Management Consulting Services. Provide management consulting services (except administrative and general management consulting; human resources consulting; marketing consulting; or process, physical distribution, and logistics consulting). Also includes telecommunications or utilities management consulting services.

517919 – All Other Telecommunications. Provides telecommunications services, such as satellite tracking, communications telemetry, and radar station operation. Also provides satellite terminal stations and associated facilities connected with one or more terrestrial systems and capable of transmitting telecommunications to, and receiving telecommunications from, satellite systems. Also includes providing Internet services or voice over Internet protocol (VoIP) services via client-supplied telecommunications connections.

541519 – Other Computer Related Services. Provides computer related services (except custom programming, systems integration design, and facilities management services). Provides computer disaster recovery services or software installation services.

611430 – Professional and Management Development Training. Offer an array of short duration courses and seminars for management and professional development. The training for career development may be provided directly or through employer’s training programs; and courses may be customized or modified to meet the special needs of customers. Instruction may be provided in diverse settings, such as the establishment’s or client’s training facilities, educational institutions, the workplace, or the home, and through diverse means, such as correspondence, television, the Internet, or other electronic and distance-learning methods.