SLA Corporation is proud to offer its Professional Contract Engineering Services and its ESChat Product Line to Federal Government Customers via GSA. Professional Contract Engineering Services: SLA Corporation is proud to offer Software and Hardware services, including System Architecture, Software Development and Test.  For the past twenty years, SLA's team has been working with our customers to bring their products to market. Whether Government, Military, Industrial or Commercial, SLA's Engineering Team can augment your engineering staff, and help bring your products to market in a timely, reliable and cost effective manner. SLA's expertise in Software, Firmware and Hardware, has been a key part of numerous worldwide system deployments, including many for the worlds largest wireless carriers and equipment manufacturers. Secure PTT Communication Products: SLA's Enterprise Secure Chat (ESChat) product line facilitates Secure (Encrypted) Voice and Message Communications. Carrier Independent, ESChat allows users to securely communicate between wireless carriers. ESChat includes interface gateways for Tactical LMR networks, and PC based dispatch clients. For additional information on ESChat, please visit the ESChat Product Website.