On the left-hand side of the screen in the navigation bar under Events, select Parade. This will take you here:
In the menu bar at the top of the screen, select Organizations. Select +Organization from the drop down. A pop-up will appear that looks like this:
Enter the organization name using the text box at the top of the screen.
Underneath the organization name, enter the organization’s description.
Use the dropdown menu under the description to select the organization type.
Under Mailing Address, enter the street address, city, state, and zipcode of the organization.
Under Contact, enter the name, title, email, and phone number of the organization’s main contact.
To add the organization, select the button at the bottom of the window titled +Add Parade Organization.
These are samples.