-
511120—Periodical Publishers
- 518210—Data Processing
- 519120—Library/Archiving
- 541430—Art Services/Graphic
- 541611—Administrative Management & General Consulting
- 541612—Human Resources & Executive Services
- 541613—Marketing Consulting
- 541618—Other Management Consulting Services
- 541690—Other Scientific & Technical Services
- 541720—Research & Development in Social Sciences and Humanities
- 541910—Marketing Research and Public Opinion Polling
- 541930—Translating & Interpreting Services
- 541990—Other Professional, Scientific and Technical Services
- 611430—Professional & Management Training
- 611699—Misc in Education
- 611710—Educational Support Services
