If you were directed to register at by someone in your organization, chances are good that your organization is already registered. Select the New User option and search for your Organization's name.
If you were directed to register for by someone at or by one of your customers, you may be the first person in your organization to register.
Always try registering as a new user if you are at all unsure which option to select. If you try registering as a new user, and on the second step cannot locate your organization, you may need to register as a new Top-Level Organization.
Registering as a Division with a top-level parent, implies that your organization wishes to configure a delegated administration model. This option should only be selected based on instruction from members of your company.
The New Organization registration process requires that the registrant accept the Security Administrator role. Check with members of your Organization to ensure that you are the appropriate person to assume this role.