Add On Systems
Software DevelopmentOklahoma, United States11-50 Employees
Add On Systems is a software development company based in Oklahoma City, Oklahoma, founded in 1993 by Hugh Fish, Kevin Campbell, and Kent Hildreth. The firm focuses on delivering programming services and add-on software for truckload carriers that operate on the AS/400 platform, and it has established extensive experience across the trucking software domain. Its client base includes a large number of AS/400 truckload carriers, with a track record of integrating interfaces to fuel services, mobile communications, and trailer-mounted GPS units to support fleet operations. The company emphasizes modernization efforts to boost user productivity through updated programming techniques and workflow strategies, aiming to make enterprise resource planning more responsive to carrier needs. In recent activity, Add On Systems announced a tighter integration with the Eleos mobile platform to enhance dispatch workflows and driver experience, and participated in the Eleos Client summit to share its work in this area.