Services of an engineering or technical nature, including product design and research, education and training, and information systems support.

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Communication services providers include phone companies, satellite companies, and internet service providers (ISP).

Engineering Services (19,378 suppliers)

Engineering related design and consulting services.

Environmental Services (5,074 suppliers)

Environmental services include environmental testing, remediation of brown fields, recycling, etc.

Information systems service companies design, install and maintain data and voice communications networks.

Telecommunications infrastructure services include setup, maintenance and consulting for all data and voice communications technologies.