Sigma works with Federal, State/Local/Education & Corporate contracting agencies in order to make our clients purchase of their critical security systems easier, faster, and more readily accessible to all.  With that in mind, Sigma currently has the following contracts available for purchase of our Dali Video Surveillance Systems.  Please check back often to see what new contract vehicles are available to make your purchasing experience better, or contact us to request that we get our products on a convenient vehicle for your purchase!