Manufacturers!!

For 35mm product, you can try Nikon USA, they also have several other sites available, for example in Japanesse. And of course in English as well, not to mention their site guide. There are also several others like Canon, Minolta, Pentax and Sigma. These are camera's Manufacturers. Some of them manufacture their lenses and accessories as well. Tamron, Tokina and Vivitar are among a good lenses manufacturers.

For the big format, we have, Bronica, Mamiya, Hasselblad and Leica.

Who can forget the most important thing in photograpy, Fuji and Kodak deliver the superb medium for all the professinal out there. Other than those two, Ilford and Agfa also provide a good film.

Slik and Bogen Manfrotto on the other hand, provide the photographer with their monopod and tripod. Sekonic comes with its lights meter.

I am sure I miss a few names, so, if you know any of them with its respective sites of course, please let me know.