When it comes to offering online maps to their users, some companies have been leaving Google Maps and setting out for less familiar territory.

In the seven years since it was introduced, Google’s offering of street maps, satellite photos and street-level views has become the dominant player in the world of online mapping, displacing earlier entrants like AOL’s MapQuest. According to comScore, 71 percent of the 91.7 million people in the United States who looked at maps online in February used Google Maps.