Buona Beef is a company that has both restaurants and catering. They also have their own website, which gives you information on both nutrition (calories/fat/protein), and ingredients that may cause allergies: http://buona.com/nutritional-and-allergen-info
I would first try the buona beef website. They should be required by law to list the nutritional information for their products. Otherwise their should be a contact number where you can call and have them send you the information.
"A good place to look for good restaurants is to go to local.com. Here you can find restaurants in the area you are in, bet also get great deals to those restaurants."
There exists a number of listing of restaurants in the Dallas area online. Google maps provides a good overview of all the restaurants. There exists other sites, such as the Dallas Observer, that can help one find the best restaurant for him or her.
Your best bet would be to call a kosher butcher in the Chicago area to find out who deals with kosher organic corned beef if there's such a thing available.
One could easily find restaurants in their area simply by going to google maps and looking for restaurants, and they will get a list of all restaurants in their area with a website to each, assuming there is one for them, and directions to them from their home. If one does not have a computer with an internet connection, they could simply turn to the food or dining section of their local phone book.
The Urban Spoon allows users to review and rate restaurants in their area, then compiles a list of the best restaurants based on consumer reviews. You can find the list for Austin, Texas here: http://www.urbanspoon.com/lb/11/best-restaurants-Austin
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You can find restaurant coupons for your area if you visit the restaurant website. You can also go online and visit hotwire and priceline. They have a lot of good deals for restaurants in your area.
California is a great state for vegan restaurants, especially if you are in the LA or SF area. You can use the happycow.net website to find vegan restaurants near you. It's probably the best there is.
People can learn about Ethiopian restaurants by looking in a local newspaper for locations in their area, then going online to find the website for such restaurants. Another thing someone can do is research Ethiopian food and then look at menu's and see what the foods are.
The best way to find restaurants would be to consult WhitePages.com. There you can even specify which zip code (area) of Chicago you want to dine in.