The best place to find and rent storage these days is online. There are multiple websites that can assist you in this process, and they usually allow you to sort by whatever amenity you require (i.e. climate controlled, 24 hr access etc.) Simply go to anyone of these sites, or Google, and search by zip code or city name. I will list two of the most useful in the related links section and you can go from there.
You can find many storage units near Miami on the internet. There is an extensive list of storage units from a company called Extra Space Storage. It can show you an extreme amount of interesting areas for storage.
There are many places where one can find climate controlled storage units in Houston. One can find climate controlled storage units in Houston at popular places such as Self Storage TX and Uncle Bob's Self Storage.
One may find business storage in most industrial areas located across the globe. It is also possible to purchase self storage units rather then business storage units and allocate them to a sole business purpose.
All multi-media storage is a great place to start. They have storage units for several different quantities as well. http://www.allmultimediastorage.com/static_pages/dvd_storage.asp
Storage units in Alexandria may be found at SpareFood and Public Storage. There are several storage facilities in Alexandria but one would be advised to check out their security arrangements and history of break-ins before choosing.
Amazon and eBay both have many toy storage units listed for sale. Ikea sell an extensive range of toy storage units at affordable prices. If you wish to spend more money then Jojo Maman Bebe have some beautiful toy storage units but the price reflects the quality.
There are many Pasadena storage units available. Some of the lowest costings storage units in this area are 'Storbox - Pasadena Self Storage' and 'StorQuest'.
I suggest looking on Amazon. Because it is an international database with contributing sellers, you'll be able to find a variety of CD storage units, and this high variety means you will likely find something that suits your needs. You can find the Amazon site at www.amazon.co.uk.
Windsor Storage offers a variety of different sized self-storage units. Storage units are available in small, medium and large sizes, and are therefore suitable for a range of storage requirements, up to the contents of a 3 bedroom house.
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industrial shelving units are actually really good storage for in basements and garages. Household storage units are good but industrial is very reliable.
Craft storage can be bought at Pinterest, Storage4Crafts, HobbyCraft, Joann, Go-Organize, Crafts Sell Storage, Home Depot, California Closets and Stack Sand Stacks.