Hi, Carleene,
Our Trillium was built in Sacramento, CA, not AZ. They are no longer made. What is being made are called "SideKick". They are allied with Great West Van Conversion of Winnipeg and are being made? in Alabama. There are some differences.
We liked the Trillium because of the strength of the design and the complete enclosure by fiberglass. I recently saw that Parkliners have wood floors. Whereas:
https://www.youtube.com/watch?v=utHRlhpWMvA
Tom Young is no longer president. I think he sold the company to Great West Vans. For some reason, he just couldn't get his feet under him and after several years of trying, I guess he gave up trying to run the thing by himself.