NAICS Codes ​

• 541330    Engineering Services

• 541511    Custom Computer Programming Services 

• 541512    Computer Systems Design Services 

• 541513    Computer Facilities Management Services

• 541519    Other Computer Related Services 

• 541611    Administrative Management and General Management Consulting Services

• 541614    Supply and Value Chain Management Services 

• 541618    Other Management Consulting Services 

• 541690    Other Scientific and Technical Consulting Services 

• 541990    All Other Professional, Scientific, and Technical Services

• 561330    Professional Employer Organizations

• 811219    Other Electronic and Precision Equipment Repair and Maintenance