Most stores that sell restaurant supplies only sell to store owners, however, there are a few online retailers who are willing to sell to the public. Shop around for the best deals.
You'll want to try a restaurant supply discount shop. You can get to one of the best at http://www.acitydiscount.com/
There are many places a restaurant owner might go to purchase food and equipment. In addition to frequenting the local farmer's market, one might also shop at a restaurant supply store.
Why don't you make up your own exit signs? Go to a print shop and create them to match your decor, but if you must buy them, try a restaurant/office supply shop or warehouse.
The best answer to this is to just go down to the restaurant supply shop in your area and ask them if they have a good copper pot for a good price. Hope this helps and thank you.
In a hairdressers supply shop or a uniform supply shop
"Un magasin de pizza." (a pizza shop) "Un restaurant de pizza." (a pizza restaurant)
Restaurant
In most US cities there are glass companies. These companies will cut and bevel a heavy piece of glass for your bar for a fee. Look under "glass" in your phone book for locations. If you are speaking of glass ware, then the local restaurant supply shop can supply that.
You can buy and sell restaurant supplies (and most other commercial equipment) on a consignment shop site such as http://www.superstoreco.com/Consignment-Shop-Restaurant-Equipment.php
The restaurant Chicken Shop is located in Northwest London. The address is 79 Highgate Road, London NW5 1TL, United Kingdom. The restaurant receives good reviews from many customers.
I am an avid baker and I think that a really good place to shop for baking supplies would be Williams & Sonoma. They have everything that you need and it is great quality; long lasting and durable. You could also try restaurant supply store around your area.
For a new business, it is more wise to rent restaurant equipment supply because it gives you a cheaper exit strategy.