There are many places that sell these devices, some listed below.
Best Buy
Circuit City
Target
Wal-Mart
Discount Stores / Thrift Stores
I would do some research on them, to find user opinions. For instance, you could type in 'USB Flash Drive reviews' in a search engine. We have included some external links (see below, listed under Related Links) to websites that sell these flash drives or geek sticks as many call them. However, the permitted maximum of ten external links per any one question has now been reached. Please do not add any more external links.
Autoplates, Thriftysigns, Customengraving, Epromos, Licenseplateshop and Cusomizedlicenseplates are just some of the companies that make custom license plate frames.
There are a few companies that offer services to make custom promotional items for one's company. Some companies that do this include Quality Logo Products and Stran.
Several companies make hard drives. Seagate is the biggest name now, but Fujitsu, Toshiba and some smaller ones make drives also.
Custom USB flash drives are available for order through a large number of websites. Some of the sites offering customizable drives include USBMemoryDirect, Pexagon, and FlashBay.
DDBUnlimited, Protocase, and AlumaPak all make custom electronic enclosures. However, ThomasNet.com currently is the largest seller in the US.
Larson-Juhl is one of the most famous custom frame companies in Boston. They can make everything you want. You just need to provide them with the correct details.
Almost all companies the make storage devices make a 64gb flash drive. Some of the companies that make a 64GB flash drive are: SanDisk, Kingston, SanDisk Cruzer, Sony and Verbatim.
dell design studio it has some col designs and u can pick what drives u want too
There are several companies that make flag patches like those on military uniforms. Some of the companies can be found online, such as Custom Patches, USCO Mail, and Aviator Gear.
Some companies make larger boats with jet drives. The benefit is a shallower draft. But jet drives are less efficient than propellers.
There are many companies that make the ukulele and hundreds of independent luthiers that make custom instruments. Some of the most famous are:KalaLanakaiKamakaCapitalO'HanaFlukeMartinFenderMeleUKBushman
The answer to the question which companies sell custom return address stamps is, according to my research on the net, these are some of the companies: Etsy and The Stationery Studio.