The "big three" credit report companies -- Experian, Equifax and Transunion -- all offer business credit report services. You can also get business credit reports from business information specialists like Dun & Bradstreet and Standard & Poor. Finally, there are many third-party resellers that resell reports -- usually from one of the above agencies. Which one is right for you? It depends on your budget and the detail you're looking for in your company credit report.