488190:  Other Support Activities for Air Transportation

523940:  Portfolio Management and Investment Advice

541611:  Administrative Management & General Management Consulting Services 

541219:  Other Accounting Services

541330:  Engineering Services

541930:  Translation and Interpretation Services

541199:  Legal Services

541511:  Custom Computer Programming Services

541512:  Computer Systems Design Services

541519:  Computer Related Services

541612:  Human Resources Consulting Services

541618:  Management Consulting Services

541690:  Other Scientific and Technical Consulting Services

611420:  Computer Training

561110:  Office Administrative Services

561499:  Business Support Services

611430:  Professional Management & Development Training

611710:  Educational Support Services

711510:  Technical Writing Services