Telephone service providers furnish telephone services to businesses.

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

Wireless communications services provide cellular phone service, SMS, WAP and GPRS services to mobile phones.

Product training is performed by suppliers to teach customers how to use purchased products.

Remote terminal units (RTUs) connect directly to sensors, meters, dataloggers or process plants, and collect and transmit data automatically.

Supervisory control and data acquisition (SCADA) systems are large-scale, industrial control and measurement systems that consist of a central host, one or more remote units, a communications network, and specialized software.

Surface area and pore size analyzers are used to measure the surface area and pore size of a sample