| Healthcare Services & Hospitals | 18553 |
| Advertising & Marketing | 16891 |
| IT Services | 15338 |
| Computer Hardware & Software | 13848 |
| Consulting | 10069 |
| Industrial Manufacturing | 8979 |
| Building & Construction | 8320 |
| Staffing & Outsourcing | 7342 |
| Enterprise Software & Network Solutions | 7299 |
| Social Services | 7008 |
| Colleges & Universities | 6929 |
| Accounting | 6440 |
| Investment Banking & Asset Management | 5786 |
| Consumer Products Manufacturing | 5632 |
| Real Estate | 5586 |
| Casual Restaurants | 5095 |
| Internet | 4911 |
| Department | 4542 |
| Architectural & Engineering Services | 4269 |
| Local Councils | 4131 |
| Legal | 3953 |
| Wholesale | 3810 |
| Biotech & Pharmaceuticals | 3615 |
| Electrical & Electronic Manufacturing | 3544 |
| Sports & Recreation | 3488 |
| Primary & Secondary Education | 3476 |
| Food & Drink Manufacturing | 3411 |
| Preschool & Child Care | 3315 |
| Education Training Services | 3236 |
| Government Agencies | 3094 |
| Health | 2968 |
| Hotel & Resorts | 2928 |
| Vehicle Dealers | 2879 |
| QC | 2706 |
| Banks & Building Societies | 2595 |
| Publishing | 2595 |
| Building & Personnel Services | 2249 |
| Insurance Operators | 2124 |
| Film Production & Distribution | 2068 |
| Logistics & Supply Chain | 2014 |
| Miscellaneous Manufacturing | 1998 |
| Transportation Equipment Manufacturing | 1823 |
| Energy | 1766 |
| Telecommunications Services | 1754 |
| Research & Development | 1684 |
| Regional & County Councils | 1667 |
| Saint Louis | 1646 |
| Other Retail Shops | 1643 |
| Transportation Management | 1642 |
| Healthcare Product Manufacturing | 1624 |
| Membership Organisations | 1592 |
| Security Services | 1535 |
| Cable | 1516 |
| Insurance Agencies & Brokerages | 1490 |
| Aerospace & Defence | 1457 |
| Chemical Manufacturing | 1437 |
| Fast-Food & Quick-Service Restaurants | 1331 |
| Metal & Mineral Manufacturing | 1293 |
| General Repair & Maintenance | 1131 |
| Oil & Gas Services | 1088 |
| Travel Agencies | 1070 |
| Financial Transaction Processing | 1032 |
| Home Furniture and Houseware Shops | 941 |
| Commercial Printing | 873 |
| Religious Organisations | 872 |
| TV Broadcasting & Cable Networks | 840 |
| Up-Market Restaurants | 816 |
| Museums | 813 |
| Brokerage Services | 772 |
| Beauty & Personal Accessories Shops | 753 |
| Catering & Food Service Contractors | 740 |
| Consumer Electronics & Appliance Shops | 702 |
| Video Games | 687 |
| Oil & Gas Exploration & Production | 686 |
| Food Production | 677 |
| Vehicle Repair & Maintenance | 605 |
| Telecommunications Manufacturing | 574 |
| Commercial Equipment Hire | 570 |
| Food & Beverage Shops | 566 |
| Commercial Equipment Repair & Maintenance | 556 |
| Performing Arts | 521 |
| Sporting Goods Shops | 507 |
| Financial Analytics & Research | 494 |
| Motor Vehicle Parts & Accessories Shops | 485 |
| Home Centres & DIY/Hardware Shops | 468 |
| Wood Product Manufacturing | 452 |
| Veterinary Services | 448 |
| Grocery Shops & Supermarkets | 441 |
| Charitable Foundations | 411 |
| Audio/Visual | 387 |
| Consumer Product Hire | 378 |
| Pharmacies & Health Shops | 362 |
| Venture Capital & Private Equity | 358 |
| Health Charities | 333 |
| Farm Support Services | 311 |
| Removal Services | 307 |
| Media & Entertainment Retail Shops | 297 |
| Business Service Centres & Copy Shops | 258 |
| General Merchandise & Superstores | 242 |
| Express Delivery Services | 234 |
| Music Production & Distribution | 224 |
| Office Supply Shops | 218 |