- 517110 - Wired Telecommunications Carriers (486 Companies)
- 517210 - Wireless Telecommunications Carriers (Except Satellite) (246 Companies)
- 517410 - Satellite Telecommunications (1 Company)
- 517919 - All Other Telecommunications (25 Companies)
- 518210 - Data Processing, Hosting, And Related Services (43 Companies)
- 519110 - News Syndicates (2 Companies)
- 519120 - All Other Business Support Services (51 Companies)
- 519190 - All Other Information Services (5 Companies)
- 52211 - Commercial Banking (651 Companies)
- 52212 - Savings Institutions (1 Company)
- 52213 - Credit Unions (40 Companies)
- 522291 - Consumer Lending (12 Companies)
- 522292 - Real Estate Credit (175 Companies)
- 522298 - All Other Nondepository Credit Intermediation (10 Companies)
- 52231 - Mortgage And Nonmortgage Loan Brokers (178 Companies)
- 52232 - Financial Transactions Processing, Reserve, And Clearinghouse Activities (1503 Companies)
- 52313 - Commodity Contracts Dealing (4 Companies)
- 52314 - Commodity Contracts Brokerage (2 Companies)
- 52321 - Securities And Commodity Exchanges (110 Companies)
- 52391 - Miscellaneous Intermediation (184 Companies)
- 52393 - Investment Advice (81 Companies)
- 523991 - Trust, Fiduciary, And Custody Activities (1 Company)
- 524113 - Direct Life Insurance Carriers (30 Companies)
- 524114 - Direct Health And Medical Insurance Carriers (38 Companies)
- 524126 - Direct Property And Casualty Insurance Carriers (264 Companies)
- 524127 - Direct Title Insurance Carriers (6 Companies)
- 524128 - Other Direct Insurance (Except Life, Health, And Medical) Carriers (1 Company)
- 52421 - Insurance Agencies And Brokerages (898 Companies)
- 524298 - All Other Insurance Related Activities (11 Companies)
- 52512 - Health And Welfare Funds (7 Companies)
- 52592 - Trusts, Estates, And Agency Accounts (109 Companies)
- 52593 - Real Estate Investment Trusts (8 Companies)
- 52599 - Other Financial Vehicles (14 Companies)
- 53111 - Lessors Of Residential Buildings And Dwellings (305 Companies)
- 53112 - Lessors Of Nonresidential Buildings (Except Miniwarehouses) (89 Companies)
- 53113 - Lessors Of Miniwarehouses And Self Storage Units (57 Companies)
- 53119 - Lessors Of Other Real Estate Property (51 Companies)
- 53121 - Offices Of Real Estate Agents And Brokers (875 Companies)
- 53132 - Offices Of Real Estate Appraisers (572 Companies)
- 53139 - Other Activities Related To Real Estate (195 Companies)
- 532 - Rental And Leasing Services (3 Companies)
- 532111 - Passenger Car Rental (50 Companies)
- 532112 - Passenger Car Leasing (2 Companies)
- 53212 - Truck, Utility Trailer, And Rv (Recreational Vehicle) Rental And Leasing (89 Companies)
- 53221 - Consumer Electronics And Appliances Rental (1 Company)
- 53223 - Video Tape And Disc Rental (28 Companies)
- 532292 - Recreational Goods Rental (4 Companies)
- 532299 - All Other Consumer Goods Rental (20 Companies)
- 53231 - General Rental Centers (24 Companies)
- 532411 - Commercial Air, Rail, And Water Transportation Equipment Rental And Leasing (10 Companies)
- 532412 - Construction, Mining, And Forestry Machinery And Equipment Rental And Leasing (27 Companies)
- 53242 - Office Machinery And Equipment Rental And Leasing (33 Companies)
- 53249 - Other Commercial And Industrial Machinery And Equipment Rental And Leasing (52 Companies)
- 53311 - Lessors Of Nonfinancial Intangible Assets (Except Copyrighted Works) (3 Companies)
- 54111 - Offices Of Lawyers (1639 Companies)
- 541191 - Title Abstract And Settlement Offices (31 Companies)
- 541199 - All Other Legal Services (70 Companies)
- 54121 - Accounting, Tax Preparation, Bookkeeping, And Payroll Services (188 Companies)
- 541211 - Offices Of Certified Public Accountants (326 Companies)
- 541213 - Tax Preparation Services (317 Companies)
- 541219 - Other Accounting Services (19 Companies)
- 54131 - Architectural Services (111 Companies)
- 54132 - Landscape Architectural Services (13 Companies)
- 54133 - Engineering Services (481 Companies)
- 54134 - Drafting Services (3 Companies)
- 54135 - Building Inspection Services (18 Companies)
- 54136 - Geophysical Surveying And Mapping Services (17 Companies)
- 54137 - Surveying And Mapping (Except Geophysical) Services (1 Company)
- 54138 - All Other Business Support Services (124 Companies)
- 54141 - Interior Design Services (123 Companies)
- 54142 - Industrial Design Services (10 Companies)
- 54143 - Graphic Design Services (66 Companies)
- 54149 - Other Specialized Design Services (50 Companies)
- 541511 - Custom Computer Programming Services (383 Companies)
- 541512 - Computer Systems Design Services (148 Companies)
- 541519 - Other Computer Related Services (185 Companies)
- 541611 - All Other Business Support Services (846 Companies)
- 541612 - Human Resources And Executive Search Consulting Services (4 Companies)
- 541613 - All Other Business Support Services (207 Companies)
- 541618 - Other Management Consulting Services (444 Companies)
- 54169 - Other Scientific And Technical Consulting Services (98 Companies)
- 5417 - Scientific Research And Development Services (11 Companies)
- 541711 - Research And Development In Biotechnology (8 Companies)
- 541712 - Research And Development In The Physical, Engineering, And Life Sciences (Except Biotechnology) (88 Companies)
- 54181 - Advertising Agencies (54 Companies)
- 54182 - Public Relations Agencies (18 Companies)
- 54183 - Media Buying Agencies (1 Company)
- 54184 - Media Representatives (32 Companies)
- 54185 - Display Advertising (6 Companies)
- 54186 - Direct Mail Advertising (306 Companies)
- 54187 - Advertising Material Distribution Services (21 Companies)
- 54189 - Other Services Related To Advertising (16 Companies)
- 54191 - Marketing Research And Public Opinion Polling (24 Companies)
- 541921 - Photography Studios, Portrait (73 Companies)
- 541922 - Commercial Photography (13 Companies)
- 54193 - Translation And Interpretation Services (11 Companies)
- 54194 - Veterinary Services (151 Companies)
- 54199 - All Other Professional, Scientific, And Technical Services (64 Companies)
- 5511 - Management Of Companies And Enterprises (69 Companies)
- 551112 - Offices Of Other Holding Companies (12 Companies)