236220 - Project management (deactivated in 2007 codeset); 54135 - Building Inspection Services; 5416 - Management, Scientific, and Technical Consulting Services; 551112 - Offices of Other Holding Companies; 5613 - Employment Services; 813910 - Business associations; 90740 - Engineering Services, Non-Licensed (Not Otherwise Classified), Including Consulting; 91821 - Business Consulting; 91875 - Management Consulting; 92047 - Support Services, Computer, Includes Computer Warranties; 96130 - Employment Agency and Search Firm Service, Including Background Investigations and Drug Testing for Employment