Standard Industrial Code Divisions

Click Here for Data Appends & Targeted Marketing Lists

Major Group: 87—Engineering, Accounting, Research, Management, And Related Services

This major group includes establishments primarily engaged in providing engineering, architectural, and surveying services; accounting, auditing, and bookkeeping services; research, development, and testing services; and management and public relations services.

Codes Titles Total Marketable US Businesses
Industry Group 871: Engineering, Architectural, And Surveying
8711Engineering Services97,783
8712Architectural Services38,634
8713Surveying Services12,157
Industry Group 872: Accounting, Auditing, And Bookkeeping Services
8721Accounting, Auditing, and Bookkeeping Services123,848
Industry Group 873: Research, Development, And Testing Services
8731Commercial Physical and Biological Research24,273
8732Commercial Economic, Sociological, and Educational Research13,466
8733Noncommercial Research Organizations18,171
8734Testing Laboratories16,251
Industry Group 874: Management And Public Relations Services
8741Management Services155,375
8742Management Consulting Services303,287
8743Public Relations Services14,876
8744Facilities Support Management Services4,845
8748Business Consulting Services, Not Elsewhere Classified439,174

Click Here for Data Appends & Targeted Marketing Lists
Copyright © NAICS Association, LLC 2026