Douglas Carnell

Signal Perfection Ltd. designs, integrates, installs and maintains audio, videoconferencing and multimedia systems. The company also provides services include integrated systems like audio-video, videoconferencing, streaming media and infrastructure. Signal Perfection is doing business as SPL Integrated Solutions. The company was founded in 1992 and is headquartered in Columbia, MD.

AVI-SPL LLC is a collaboration technology solutions provider based in Tampa, FL and has subsidiaries in Germany, United States, Canada and United Kingdom. AVI-SPL LLC is the largest provider of collaboration technology solutions, working with organizations worldwide, including over 80% of Fortune 100 companies. The company's highly-trained team strategizes, designs, deploys, manages, and supports AV and UC solutions that are simple to use, scalable, serviceable, and measurable to ensure business objectives are achieved. AVI-SPL LLC is the leading digital workplace collaboration solutions provider, allowing enterprises to leverage technology to transform the way employees and customers interact to drive increased workplace efficiency and improved business outcomes. The company has highly trained and certified system engineers in offices throughout the US, Canada, and EMEA in addition to an international network of solution providers in 30 countries. The company was founded in 1979 by Martin Schaffel, Chad M. Gillenwater. John T. Zettel has been the CEO of the company since 2000.