This is a good site to buy fallout supplies http://undergroundbombshelter.com/stocking-your-bomb-shelter.htm. They have a variety of supplies for different situations. They have a list of what to include, and they sell shelters for different circumstances.
There are a number of resources that one can use to find a list of free things to do in Chicago. For instance, Enjoy Illinois, National Geographic, and Things to do in Chicago all list free things to do in Chicago.
You can find a list of cheap hotels in Chicago online, in Chicago, or by asking friends, family and locals! You can also simply walk into a Chicago hotel and ask!
http://fallout.wikia.com/wiki/Category:Fallout_3_items This is a list of all items in Fallout 3, and how to obtain them.
A list of members of ...? Please clarify your question.
You can find the full list at the related link given below.
http://fallout.wikia.com/wiki/Fallout_Wiki This is the website for all fallout questions.
There are several online websites on which a list of new restaurants in Chicago can be found. Try checking out chicagomag, timeoutchicago and chicagofoodmagazine.
One could find a list of the Chicago suburbs online at several different sites. Most governmental websites would have that information. City directories and maps would also have that information.
I can't guarantee this list has every single organization in Chicago, but it does seem to have a large number of organizations listed: http://www.volunteermatch.org/search/orgs.jsp?l=Chicago&k= .
The best place to check online for a list of car showrooms in Chicago is AutoTrader. The company called AutoTrader lists car dealers and showrooms in any area including Chicago.
Animal Shelters in Massachusetts can be found a variety of ways. They can be found in the yellow pages section of your local phone book and online. Sites like PetFintder list all the Animal Shelters in the area and a search based on proximity can narrow down the search as well.