Systems Integrators. AV technologies are often installed as integrated systems and require skilled installation professionals to ensure compatibility with existing information technology, to ensure the systems will work the way they should once installed, and to ensure that staff has sufficient understanding and training to work the system. Simplifying the use of many different AV components into one, simple user interface controller (i.e. a remote control, or touch panel) is the role of a design consultant (see below) or systems integrator. Some integrators also design systems, and they are known as design/build companies. These integrators spend time understanding AV needs and the expectations you have of your new AV system and then design a custom solution for you. Post-installation services can also be provided by the systems integrator in the following ways:
 

 
AV Dealers. AV dealers come in many different types and sizes, but primarily they are local or regional companies or branches who are authorized resellers for the many different types of equipment required to meet your audiovisual needs. Some dealers also install the technology and are referred to as systems integrators (see above). Some dealers offer equipment rentals and service in addition, and are known as rental and/or staging companies (see below). Primarily, AV dealers can offer specific knowledge and added value to any professional environment over purchasing equipment through consumer channels, because they are trained in the products they represent and understand and can communicate important information about functionality of the equipment and its integration into the facility.