4. BMC, What Can We Do For You? NAICS CODES DESCRIPTIONS 541330 Engineering Services 541519 Software installation services, computer 541513 Facilities (i.e., clients' facilities) management and operation services, computer systems or data processing 541611 Administrative Management and General Management Consulting Services 541712 Research and Development in the Physical, Engineering, and Life Sciences 541720 Research and Development in the Social Sciences and Humanities 541990 Professional, Scientific, and Technical Services 561210 Facilities Support Services 561410 Document Preparation Services 561499 Business Support Services SIC CODES DESCRIPTIONS 7363 Personnel Supply Services 7372 Business Services 7374 Computer Processing and Data Preparation and Processing Services 7376 Computer Facilities Management Services 7379 Computer Related Services, Not Elsewhere Classified