You are the best of the best. My book is now funded by a grant from you or your company, created in partnership with..., Published in association with..., whatever the going lingo is with book publishing, you are it. You also get all the previous rewards.
You get all of the previous rewards plus one page in the book devoted to you or your company. You can include links, images, animations, whatever, as long as it is appropriate for the book, as determined by me. I'll create the page based on your needs and our conversations.
Your company name goes on the cover of the book as the publisher. You don't get any of the money from the book, but your company is associated with the most exciting physics book out there and is in a short list of publishers who have created an iBook textbook.