- American Institute of Certified Public Accountants
- American Stock Exchange
- Association of Certified Fraud Examiners
- EFTPS
- General Service Administration
- Guilford County Tax Department
- Hoover's Research
- Internal Revenue Service (IRS)
- NASDAQ Stock Exchange
- NC Department of Commerce
- NC Department of Justice
- NC Department of Revenue
- NC Office of the State Auditor
- NC Secretary of State Corporation Search
- New York Stock Exchange
- Public Company Accounting Oversight Board
- Social Security Online
- Tax Almanac
- The Wall Street Journal
- US Copyright Office
- US Department of Labor (DOL)
- US Patent and Trademark Office
- US Securities and Exchange Commission (SEC)
- US Small Business Administration (SBA)
- CS Basics, Inc.
- Central Station Original Interiors, Inc.
- Carrier Education
