541330 Engineering Services

541511 Custom Computer Programming Services

541512 Computer Systems Design Services

541513 Computer Facilities Management Services

541611 Administrative Management and General Management Consulting Services

541614 Process, Physical Distribution, and Logistics Consulting Services

541618 Other Management Consulting Services

541690 Other Scientific and Technical Consulting Services

541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

541990 All Other Professional, Scientific, and Technical Services

561320 Temporary Help Services

561990 All Other Support Services

611420 Computer Training

611430 Professional and Management Development Training

611519 Other Technical and Trade Schools