In operation for more than 20 years, TOTALlink offers a range of systems integration and project management services. The company specializes in the installation, maintenance and repair of mechanical and electrical systems. It manages a variety of home theater design and build, house construction, remodeling and computer system installation projects. TOTALlink provides design and installation solutions for presentation, sound reinforcement, assistive listening and low-voltage control systems. The company operates an online bookstore that features a range of books on acoustics, digital audio and music, sound and technology. It also offers online ordering options and delivery services.