| Name | Category | City | State |
| 1st Viatical Capital | Financial Services | Washington | DC |
| 1st Viatical Capital | Financial Planning Consultants & Services | Washington | DC |
| A & A Tax Services | Financial Services | Washington | DC |
| A & A Tax Services | Accounting- Auditing- & Bookkeeping Services | Washington | DC |
| A & A Tax Services | Tax Consultants | Washington | DC |
| A & A Tax Services | Tax Return Preparation | Washington | DC |
| A E G Capital LLC | Personal Financing | Washington | DC |
| A E G Capital LLC | Loan & Financing Services | Washington | DC |
| A E G Capital LLC | Financial Services | Washington | DC |
| A G Edwards & Sons Inc | Financial Planning Consultants & Services | Washington | DC |
| A G Edwards & Sons Inc | Financial Services | Washington | DC |
| A G Edwards & Sons Inc | Financial Brokers | Washington | DC |
| A G Edwards & Sons Inc | Stock & Bond Brokers | Washington | DC |
| A G Edwards & Sons Inc | Investment Services | Washington | DC |
| Abingdon Capital Management | Financial Services | Washington | DC |
| Abingdon Capital Management | Investment Services | Washington | DC |
| Abingdon Capital Management | Investment Services | Washington | DC |
| Abingdon Capital Management | Investment Advisory Services | Washington | DC |
| Abingdon Capital Management | Financial Services | Washington | DC |
| Abingdon Capital Management | Investment Advisory Services | Washington | DC |
| Abingdon Capital Management | Investment Services | Washington | DC |
| Abingdon Capital Management | Financial Services | Washington | DC |
| Abingdon Capital Management | Investment Advisory Services | Washington | DC |
| Ablebanks Tax Service | Tax Consultants | Washington | DC |
| Ablebanks Tax Service | Financial Services | Washington | DC |