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NAICS Code
Industry Title
Business Count
54Professional, Scientific, and Technical Services2,576,732
5411Legal Services361,566
5412Accounting, Tax Preparation, Bookkeeping, and Payroll Services189,533
5413Architectural, Engineering, and Related Services273,543
5414Specialized Design Services354,613
5415Computer Systems Design and Related Services252,652
5416Management, Scientific, and Technical Consulting Services785,554
5417Scientific Research and Development Services45,172
22,657
5418Advertising, Public Relations, and Related Services66,133
5419Other Professional, Scientific, and Technical Services247,966
Two-Digit NAICS Sectors