There sure are! There is one in Phoenix called Hinkley's New State Lightning that is authorized to sell Murray Feiss lamps. You should check them out.
You can go to Lamps Plus for Murray Feiss standing lamps. You might also be able to find a website for this lamp maker and order the lamps. Sometimes if you to furniture liquidators and ask for their lamp selection you will find specific type or lamp brands.
Murray Feiss wall sconces can be purchased in a number of different places. These include Lighting Universe, Lamps Plus, Lighting Showplace, and Ebay.
Murray Feiss offers other products beside sconce. They offer products for the home, such as decorative chandeliers, lamps, outdoor lighting, and bath lighting.
Retro lamps can be purchased at Target, Lamps Plus, World Market, and Euro Style Lighting. These stores have retro lamps available for sale both online and in stores.
There are several stores that sell piano lamps. One of the stores that offer them based on an online search is JC Penneys.
Modern floor lamps can be bought from many different stores, online and offline. Some examples of stores that sell modern floor lamps include Lamps Plus, Target, and Build.
Glass oil lamps can be bought from a number of local stores and online stores such as the following; instructables, Amazon, Home Depot centers, and Antique Lamps Supply.
Most online stores sell floor leading lamps. If you would like to physically look at the lamp before you purchase you can go to stores like Bed Bath & Beyond, Target or Walmart, as all of these stores sell floor reading lamps as well.
There are several locations where you can purchase store lamps in Peoria. Stores like walmart may also be a good source for floor lamps.
Contemporary floor lamps are available and nearly ever large commercial store. They can be found at Walmart, Target, and Kmart. Contemporary floor lamps may also be found at consignment stores or other stores like Ross or TJ Maxx.
Lowes has a nice selection of lamps if you have one in your area. I would start there. If not, you could do a search to see what stores in your area sell lamps. If you have no luck there, maybe you can find one you like online and buy it there.
There are a large number of stores throughout the world and online that specialize in lamps and lighting. An example of one such store is Beacon Lighting, which is located throughout Australia.