Only the credit bureau that is reporting the trade line can remove something on a credit file.
Disputes must filed directly with each credit bureau when disputing credit tradelines.
Click Here for more information: Transunion - Dispute of Information
Below is the contact information for each bureau.
- Transunion #800-916-8800
 - Equifax #888-548-7878
 - Experian #877-284-7942