Auto Hobbies Bodies
This may or may not be a complete list; it contains the information I have been able to find.
If you have additional information and are willing to share it, please send me an email.

Bill Sippel's Auto Hobbies got started in 1963 with a series of fiberglass bodies, and later became involved with Veco Products, producing a series of vacuum-formed bodies, which were also used to top off some of Veco's R-T-R cars. Some photos and scans: