Stanley Convergent Security Solutions Inc. (Stanley CSS), Naperville, Ill., has expanded its strategic partnership with Lenel Systems International Inc. in order to support the Picture Perfect and Facility Commander™ Wnx product lines. Lenel is a business of UTC Fire & Security, a unit of United Technologies Corp. According to the company, Stanley CSS continues to deepen its already best-in-class security integrator presence in the industry, extending and strengthening its product delivery platform for its valued customers with this addition.