Overnite Software Inc. specializes in computer-based training and testing and is the developer of the ExxTend Learning system for training management. Located in Angleton, Texas, the firm provides interactive multimedia training products and performance support to clients in process and associated industries. The company s product ExxTend Learning is a web-based information and training delivery and management system. Overnite Software Inc. offers diverse courses covering various topics, including industrial safety, vocational education, human resources and security to name a few. Its client list includes major petroleum, chemical and energy firms.