Jewish websites have information on commercial kosher kitchens
Most grocery stores carry products that are certified kosher. Otherwise, the options are a local kosher food store, if the Jewish community is big enough to support one, or online.
Creole Kosher Kitchen was created in 2000.
It can be if it's made with kosher ingredients in a kosher kitchen.
The actual word is 'kosher', not 'kosha'. Kosher refers to food that is prepared following the laws of kashrut (Jewish dietary laws). A kosher kitchen is a kitchen that is set up so that it meets the requirements to produce kosher food.
Many kosher kitchens are American.
You can find commercial cleaning supplies at almost any restaurant supply company. Here is a good recommendation http://www.unoclean.com/Commercial-Kitchen-Food-Service-Cleaning-Chemicals.aspx.
Yes. Just buy kosher foods.
An Orthodox rabbi trains people on special cleaning techniques to make a kitchen kosher, along with separate meat and dairy utensils.
I would recommend checking online at Amazon.com to find the best prices for commercial kitchen supplies. They usually offer free shipping and a 365 return policy.
Orthodox Jews
Fish and chips can be kosher if it`s made with kosher fish in a kosher kitchen. In fact, it was Portuguese Jews who introduced fried fish to England.
Make sure all of the ingredients are kosher and the utensils and kitchen it's being prepared in are also kosher.
Any food that is not made in a kosher kitchen following kashrut (Jewish dietary laws) is not kosher. Please note that kosher is not a style of cooking.