
ANGI Homeservices Inc. is an internet services company formed in 2017 by the merger of Angie's List and HomeAdvisor. The company has its earliest roots in American home services website Angie's List, founded in 1995 as an online directory that allows users to read and publish crowd-sourced reviews of local businesses and contractors.

Christgau's Consumer Guide: Albums of the '90s is a music reference book by American music journalist and essayist Robert Christgau. It was published in October 2000 by St. Martin's Press's Griffin imprint and collects approximately 3,800 capsule album reviews, originally written by Christgau during the 1990s for his "Consumer Guide" column in The Village Voice. Text from his other writings for the Voice, Rolling Stone, Spin, and Playboy from this period is also featured. The book is the third in a series of influential "Consumer Guide" collections, following Christgau's Record Guide: Rock Albums of the Seventies (1981) and Christgau's Record Guide: The '80s (1990).

Christgau's Record Guide: Rock Albums of the Seventies is a music reference book by American music journalist and essayist Robert Christgau. It was first published in October 1981 by Ticknor & Fields. The book compiles approximately 3,000 of Christgau's capsule album reviews, most of which were originally written for his "Consumer Guide" column in The Village Voice throughout the 1970s. The entries feature annotated details about each record's release and cover a variety of genres related to rock music.

Christgau's Record Guide: The '80s is a music reference book by American music journalist and essayist Robert Christgau. It was published in October 1990 by Pantheon Books as a follow-up to Christgau's Record Guide: Rock Albums of the Seventies (1981).

Consumerist was a non-profit consumer affairs website owned by Consumer Media LLC, a subsidiary of Consumer Reports, with content created by a team of full-time reporters and editors. The site's focus was on consumerism and consumers' experiences and issues with companies and corporations, concentrating mostly on U.S. consumers. As an early proponent of crowdsourced journalism, some content was based on reader-submitted tips and complaints. The majority of the site's articles consisted of original content and reporting by the site's staff. On October 30, 2017, Consumer Reports shut down Consumerist, stating that coverage of consumer issues would now be found on the main Consumer Reports website.

Consumers' Checkbook/Center for the Study of Services is an independent, nonprofit consumer organization. It was founded in 1974 in order to provide survey information to consumers about vendors and service providers. There are both print and online versions in the Boston, Chicago, Delaware Valley, Puget Sound, San Francisco/Oakland/San Jose, Twin Cities, and Washington, D.C., areas.

DSLReports is a North American-oriented broadband information and review site based in New York City. The site's main focus is on internet, phone, cable TV, fiber optics, and wireless services in the United States and Canada, as well as other countries.

Gaylocator, stylized as GAYLOCATOR, is a travel guide aimed toward gay travellers to Europe. The guide is updated annually by Global Productions, based in Prague.

GreatSchools is a United States national nonprofit organization that provides information about PK-12 schools and education. The website provides ratings and comparison tools based on test scores and other factors for schools in the U.S. As of July 2017, the GreatSchools database contains information for more than 138,000 public, private, and charter schools in the United States.
Honk was a social automotive website developer headquartered in San Francisco, California. The company was co-founded by Tom Taira and Stephanie LaCrosse in 2009 to develop web and mobile solutions that enabled consumers to choose a car.

JustiServ is a Boston-based online legal marketplace that allows people to compare the prices and experiences of attorneys on its site. JustiServ has been selected to be a part of Highland Capital Partners' 2015 Summer@Highland, a startup accelerator which helps student entrepreneurs build their companies over the summer.

Kudzu.com was an online directory that aggregated user reviews and ratings on local businesses, merchants, and service providers. Kudzu.com was established by Cox Enterprises in 2005, and later owned and operated by Cox Media Group. The site closed on November 30, 2018.

Michelin Guides are a series of guide books published by the French tire company Michelin for more than a century. The term normally refers to the annually published Michelin Red Guide, the oldest European hotel and restaurant reference guide, which awards up to three Michelin stars for excellence to a select few establishments. The acquisition or loss of a star can have dramatic effects on the success of a restaurant. Michelin also publishes a series of general guides to cities, regions, and countries, the Green Guides.

Niche.com, Inc., formerly known as College Prowler, is an American company headquartered in Pittsburgh, Pennsylvania, that runs a ranking and review site. The company was founded by Luke Skurman in 2002 as a publisher of print guidebooks on US colleges, but now runs a website with information on K–12 schools, colleges, cities, neighborhoods, and companies across the United States.

Open Listings is an online real estate brokerage, focused exclusively on representing buyers. One of the stated goals of the company is to make homeownership more affordable for everyone by refunding 50% of their commission to the buyer at close. As of September 2016, Open Listings has refunded homebuyers over $1M.

ReviewCentre.com is a privately owned, UK operated consumer review site in the same vein as Epinions and Ciao.com.

Seafood Watch is one of the best known sustainable seafood advisory lists, and has influenced similar programs around the world. It is best known for developing science-based seafood recommendations that consumers, chefs, and business professionals use to inform their seafood purchasing decisions.

The Spartacus International Gay Guide is an international gay travel application and formerly an annually-published guide. It was founded by John D. Stamford in 1970 as a printed guide, before being bought by Bruno Gmünder in 1987 following investigations into Stamford's tax violations and promotion of paedophilia. It was sold to current owners GayGuide UG in 2017, whereupon the guide became digital only, with the printed version ceasing publication.

TestFreaks is a company with solutions for B2C retailers. The company is a product review aggregator, meaning that both expert/professional- and user reviews are aggregated from thousands of sources in many different languages using an advanced backend system.

Tripadvisor, Inc. is an American online travel company that operates a website and mobile app with user-generated content and a comparison shopping website. It also offers online hotel reservations and bookings for transportation, lodging, travel experiences, and restaurants. Its headquarters are in Needham, Massachusetts.

Yellowpages.com is a United States-based web site operated by YP Holdings that provides listings for local businesses. In 2013 it was re-branded as YP.com or simply "YP". It currently offers a broad range of marketing tools including online presence, local search, display ads and direct marketing. It was previously a wholly owned subsidiary of AT&T.

Yelp is an American public company headquartered in San Francisco, California. The company develops, hosts, and markets the Yelp.com website and the Yelp mobile app, which publish crowd-sourced reviews about businesses. It also operates an online reservation service called Yelp Reservations.