21Tech specializes in custom software development, project management and outsourcing. The company has been involved in create a joint venture called Xtech, which provides information technology products and services to the city and county

as one of the leading computer service, network technology and information technology (IT) solutions consulting company in San Francisco include computer network design, database programming, network security, project management, software development, system/network administration, web hosting and

solutions and back-end technologies that help its clients achieve their business goals. Its project managers, architects and developers closely with the information technology department, and manages all third parties that may participate in the projects. DHAP Digital is