If you believe your request meets our giving guidelines, please fill out the online form below making sure that all questions are answered. The online donation form must be filled out completely in order for your organization's request to be considered.When your gift is received, Preservation Houston will send a letter to the person you indicate notifying them of your thoughtful donation. How to fill out the Donation Request Form for Space Center Houston? 1. Collect all required information about your organization. 2. We accept requests from licensed nonprofit, community organizations in the greater Houston area for memberships or general admission ticket donations. Want to know more about how you can make an impact in the Greater Houston community? Fill out this simple form to learn how to get involved. In this post, I'm breaking down how to write a donation letter. All donations need to be submitted through the online form at the link below.