AbeBooks

AbeBooks (formerly the Advanced Book Exchange) is an online marketplace for books. Most books listed are used books, many are rare or out-of-print, and a growing number are new books. The company is based in Victoria, British Columbia, Canada, with offices in Düsseldorf, Germany, and the US. It was incorporated in 1995 and launched its websites in 1996. At present, they list more than 100 million books on sale from 12880 booksellers in 57 countries. AbeBooks offers six regional websites: for North America, France, Germany, Italy, the UK and Spain (Iberlibro.com).

Alibris

Alibris is an online store that sells new books, used books, out-of-print books, rare books, and other media through an online network of independent booksellers.

Amazon.com

Amazon.com, Inc. (NASDAQ: AMZN) is an American-based multinational electronic commerce company. Headquartered in Seattle, Washington, it is America's largest online retailer, with nearly three times the Internet sales revenue of the runner up, Staples, Inc.

Americana Exchange

The Americana Exchange (or “AE”) is a website for the buying, selling and collecting of rare and antiquarian books. It was founded in 2002 in San Francisco by rare book collector Bruce McKinney with the aim of offering hard to find information about book collecting to the public. From a start of providing a subscription database of bibliographic records, the company now offers many related services, mostly at no charge. The company at first specialized in the Americana book field, but quickly expanded to all types of antiquarian and rare books.

Audible.com

Audible.com is an Internet provider of spoken audio entertainment, information, and educational programming. Audible sells audiobooks, radio and TV programs, and audio versions of magazines and newspapers. On January 31, 2008 Amazon.com announced it would buy Audible for about $300M. The deal closed in March of 2008 and Audible is now a subsidiary of Amazon.

Barnes & Noble

Barnes & Noble, Inc. is the largest book retailer in the United States, operating mainly through its Barnes & Noble Booksellers chain of bookstores headquartered in lower Fifth Avenue in Manhattan. Barnes & Noble is the nation’s top bookseller brand for the sixth year in a row, as determined by a combination of the brand’s performance on familiarity, quality, and purchase intent; the top bookseller in quality for the second year in a row and the number two retailer in trust, according to the EquiTrend Brand Study by Harris Interactive.

BibliOZ

BibliOZ.com The Book Search Wizard is an online portal for locating and purchasing out of print, used, rare and collectible books. The website is owned by BiblioQuest International Pty Ltd, an Australian-based company that has offered specialist booksearch services since 1994, prior to the growth of online bookstores such as Amazon. The company also provides a telephone and mail-order booksearch service.

Biblio.com

Biblio.com is an online marketplace for booksellers specializing in rare and out-of-print titles. Several thousand individual booksellers subscribe to their listing service. Booksellers will upload their book lists along with prices and descriptions of items they own. Searches on the site bring up results from any seller's books. On completed sales, member booksellers pay a percentage of the sale price to the firm. Certain sellers are also charged a monthly fee. The site can collect charge card payment via the web. Biblio.com is probably the 3rd largest books-only website. Many sellers who list stock on Biblio also have their material simultaneously on competitor's sites such as abebooks.com or alibris.com.

BiblioQuest

BiblioQuest International is a specialist search service for books, primarily used books and rare or out-of-print titles. The company is based in Bowral, New South Wales Australia and is registered with the Australian Securities and Investment Commission ACN 109 499 265 ABN 88 109 499 265. It owns Australian trademark 723201.

BiblioPage.com

BiblioPage.com is an Amazon.com affiliate site with a database of books gathered from libraries across the world using the NISO z39.50 protocol for accessing bibliographic databases. BiblioPage.com uses the YAZ toolkit from IndexData to access and manipulate bibliographic information.

The main idea behind BiblioPage.com is that libraries choose the best selection of books. Therefore by suggesting titles that libraries have purchased the consumer is choosing only among the most relevant titles.

Books-A-Million

Books-A-Million Inc. or BAM! was founded in 1917 as a street corner newsstand in Florence, Alabama. Books-A-Million has become the third largest book retailer in the United States (after #1 Barnes & Noble and #2 Borders Books). Its corporate office is located in Birmingham, Alabama, which operates over 200 stores located in the Midwest, the Southeast, and the District of Columbia, with about 4,900 employees as of 2005.

Chegg

Chegg.com is a leading online textbook rental company in America; students transact and manage their accounts at Chegg.com and can also access the site via their Facebook accounts. During the 2009 back-to-school season, the company rented over one million books. Currently, the site has saved more than $54 million dollars for students; that number is continually updated on the Chegg.com home page.

John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, (NYSE: JWA) is a global publishing company that specializes in academic publishing and markets its products to professionals and consumers, students and instructors in higher education, and researchers and practitioners in scientific, technical, medical, and scholarly fields. The company produces books, journals, and encyclopedias, in print and electronically, as well as online products and services, training materials, and educational materials for undergraduate, graduate, and continuing education students.

Powell's Books

Powell's Books is a chain of bookstores in the Portland metropolitan area. Powell's headquarters, dubbed Powell's City of Books, claims to be the largest independent new and used bookstore in the world. Powell's City of Books is located in the Pearl District on the edge of downtown, and occupies a full city block, between NW 10th and 11th Avenues and between W Burnside and NW Couch Streets. It contains over 68,000 ft² (6,300 m² or about 1.6 acres) of retail floor space.

Scholastic Corporation

Scholastic (or Scholastic Inc.) is a North American book publishing company known for publishing educational materials for schools, teachers, and parents, and selling and distributing them by mail order and via book clubs and book fairs. It also has the exclusive United States' publishing rights to the Harry Potter book series. Scholastic Inc. is also the world's largest publisher of children's books.