Hundreds of debt collection agencies across the US work to collect debt on behalf of creditors. If your FDCPA rights are violated by any third-party collection agency, you may be able to file a claim against the debt collector. Here is a list of some of the largest debt collection agencies that could potentially contact you.

All debt collection agencies starting with the letter A, including American Recovery Service.

Collection agencies starting with the letter B, such as Bureaus Investment Group.

Collection agencies including Commonwealth Financial and Capital Collections.

Collection agencies starting with the letter D, including Delanore, Kemper & Associates.

Collection agencies starting with the letter E, including Estate Information Services.

Collection agencies starting with letters F through G, including Forster Garbus and Global Credit Collection Corp.

Collection agencies starting with the letter H, which includes large agencies like Harvard Collection Service and Howard Lee Schiff

Collection agencies starting with the letters I through the letter L, which includes large agencies like Javitch Block and Kramer Frank.

All third-party debt collection agencies starting with the letter M, which includes organizations Medicredit and Malcolm S. Gerald and Associates.

All third-party debt collection agencies starting with the letter N through the letter O, which includes NCO Systems and National Recovery Solutions.

A list of collection agencies beginning with the letters P-R, including Regional Finance.

Debt collection agencies beginning with the letter S, including Suttell and Associates.

Collection agencies starting with the letter T thorough Z, including Transworld Systems.