The best loan companies in the USA can vary depending on the type of loan you're seeking and your individual financial situation. As of my last knowledge update in January 2022, here are some well-known and reputable loan providers across different categories:

1. Mortgage Loans:

   • Quicken Loans (Rocket Mortgage): Known for online mortgage lending and a streamlined application process.
   • Wells Fargo: One of the largest mortgage lenders in the U.S. with a wide range of mortgage products.

2. Personal Loans:

   • SoFi: Offers personal loans with competitive rates and various benefits.
   • Marcus by Goldman Sachs: Known for transparent terms and no fees on personal loans.

3. Auto Loans:

   • Capital One Auto Finance: Provides auto loans with competitive rates and a simple online application process.
   • LightStream (a division of Truist): Offers auto loans with low rates and a rate beat program.

4. Student Loans:

   • Navient: A leading student loan servicer that works with federal and private student loans.
   • Sallie Mae: Offers private student loans for undergraduate and graduate students.

5. Small Business Loans:

   • Lendio: A marketplace that connects small businesses with various loan options.
   • OnDeck: Provides term loans and lines of credit for small businesses.

6. Credit Unions:

   • Navy Federal Credit Union: Offers a variety of loans, including auto loans, personal loans, and mortgages.
   • PenFed Credit Union: Provides a range of loan products with competitive rates.

7. Online Lenders:

   • Upstart: Known for using artificial intelligence to assess borrower risk and provide personalized loan options.
   • Avant: Offers personal loans for a range of credit profiles.

8. Payday Alternative Loans (PALs):

   • Federal Credit Unions: Many credit unions offer PALs as a more affordable alternative to traditional payday loans.
   • OppLoans: Provides installment loans as an alternative to payday loans.

Remember to carefully review the terms, interest rates, fees, and customer reviews before choosing a loan provider. Additionally, lending options and rankings may have changed, so it's recommended to check the latest reviews and compare offerings from multiple lenders to find the best fit for your needs. Always be cautious about predatory lending practices and thoroughly understand the terms of any loan agreement before proceeding.