Stanley Convergent Security Solutions, Inc. has announced the purchase of four Sonitrol franchises, including Sonitrol of Yakima, from Vyanet Capital Group.

The four franchises will now operate as Sonitrol Cascades, and is one of the top ten Sonitrol franchises in the U.S., based on recurring revenue in 2008, and was reported as the 41st largest security company in the United States overall based on the “SDM 100” annual ranking. 

The sale includes mostly commercial accounts including education, local government, property management, banking, retail, restaurant and other customers being serviced throughout Oregon and Washington state. 

Terms of the sale were not disclosed.         

Stanley CSS will expand its direct coverage for Sonitrol products and services to include the Eugene and Medford, Oregon, and Spokane and Yakima areas.