TransUnion is a credit reporting agency that supplies personal information in marketing lists to creditors and insurers, which use these lists to make firm offers of credit or insurance. To remove yourself from TransUnion, you do so using Opt-Out Prescreen. To do this, you must fill out and mail their opt-out form. After this, it is not clear how long it will take them to remove your information.
Speed: 5, Slowest
Difficulty: 5, Hardest
How to Remove Yourself from TransUnion via Opt-Out Prescreen