The phrase "official distributor" refers to a company or individual who is authorized by the manufacturer or producer to sell their products. They are the authorized sellers for that specific brand or product. Full definition
All new purchases made on Amazon, B&H and other official distributors in the United States and Japan are receiving the Chinese variants. (goodereader.com)
You'll find deals at the Razer Game Store that no other official distributor can offer. (gamestore.razer.com)
The new Porsche Boxster and Panamera GTS made their local debut yesterday afternoon at the Sepang International Circuit, where official distributor Sime Darby Auto Performance (SDAP) is having the Porsche Motorsport Week 2012. (paultan.org)