Try www.landings.com. At the bottom of the page there is a link to a
list of aircraft manufacturers and in most cases, their websites. Be
skeptical though . . . a lot of the companies will probably get no
further than a really cool website with a great gallery page. It is
the closest I have seen to what you are looking for . . . but not
everyone will be on the list.

Now . . . does anyone remember the name of the small 4 engine high wing
freight hauler that looked a lot like a C-130 that was washed in hot
water and machine dried at high heat? If I recall correctly, it was
proposed to build the production aircraft in Puerto RIco.

blue skies

John