CodeDefinition518210Data Processing, Hosting, and Related Services 519190All Other Information Services541330Engineering Services541490Other Specialized Design Services541511Custom Computer Programming Services541512Computer Systems Design Services541519Other Computer Related Services541611Administrative Management and General Management Consulting Services541618Other Management Consulting Services541690Other Scientific and Technical Consulting Services541712Research and Development in the Physical, Engineering, and Life Science (except biotechnology)541720Research and Development in the Social Sciences and Humanities541990All Other Professional, Scientific, and Technical Services561499Other Business Support Services928110National Security