Developing customized software for others; Developing of driver and operating system software; Development of software for secure network operations; Software development consulting in the field of high performance computing, networking, and operating systems; Software design and development; Computer software development; Providing temporary use of on-line non-downloadable software development tools; Research and development of computer software; Technology specification, namely, analyzing technology requirements and developing recommendations for the computer software and systems and other technology needed to meet those requirements, in the field of high performance computing, networking, and operating systems