Computer software which allows field service technicians to communicate from a remote location with a field service company, parts suppliers, and customers in need of field service, and which enables secure wireless and Internet based communications between field service technicians, field service companies, and customers of a field service company in order to exchange information among themselves and to receive and inspect data stored in a remote database, and which enables field service companies to manage and track work performed by field service technicians and field service dispatchers, and which enables field service technicians to automate their field service work requirements