454390 - Other Direct Selling Establishments (changed in 2022 codeset); 5416 - Management, Scientific, and Technical Consulting Services; 541613 - Marketing consulting services; 541910 - Marketing research services; 561422 - Telemarketing services on a contract or fee basis; 91875 - Management Consulting; 91876 - Marketing Consulting; 96153 - Marketing Service, Including Distribution, Public Opinion Surveys, Research, Sales Promotions, etc.; I-0410 - MANAGEMENT CONSULTANTS; I-0651 - TELEMARKETING SERVICES; l-2040 - MARKETING CONSULTANTS