Patch panels are groups of ports used to connect lines between communications and electronic devices.

Terrestrial and satellite radio service providers transmit radio programming over satellite, cable networks and over open airwaves.

Protective liners and lining systems protect an underlying surface from corrosion, wear, erosion, heat or fire.

Pipe liners are used to prevent leakage or infiltration in pipes and piping systems.

Delay lines are devices used to slow down a signal by a time interval in an electrical network.

Lining and wear protection services suppliers provide installation or application of wear protective liners, tile liners, spray on lining systems and/or high build coatings to protect an underlying surface from wear or erosion

Power line network components use existing electrical power lines as carriers for data communications signals.