Intercom company Clear-Com is noting its 40th anniversary.

The company is part of The Vitec Group. It was founded in 1968 with the first party-line beltpack for live venue.

Current markets include broadcasting, government, medical and church sectors as well.

It merged with Drake Electronics Ltd. in the United Kingdom in 2003.

Company milestones include beltpack and analog party-line systems in 1968, the first four-wire intercom in 1976 and the industry’s first intelligent user display panel in 1986. Drake was the first intercom company to introduce the Digital Matrix Intercom in 1992, the company stated.