| Rank | Citation Source | Web Address (URL) |
| 1 | Google My Business | https://business.google.com/ |
| 2 | Apple Maps | https://mapsconnect.apple.com/ |
| 3 | YellowPages.com.sg | http://www.yellowpages.com.sg/ |
| 4 | Yelu.sg | http://www.yelu.sg/ |
| 5 | Factual | https://www.factual.com/ |
| 6 | https://www.facebook.com/ | |
| 7 | Foursquare | https://foursquare.com/ |
| 8 | Yelp | https://www.yelp.com.sg/ |
| 9 | TheGreenBook | http://www.thegreenbook.com/ |
| 10 | StreetDirectory | http://www.streetdirectory.com/ |
| 11 | InSing | https://www.insing.com/ |
| 12 | ZipLeaf | http://sg.zipleaf.com/ |
| 13 | SGPBusiness | https://www.sgpbusiness.com/ |
| 14 | Opendi | https://www.opendi.sg/ |
| 15 | HotFrog | https://www.hotfrog.sg/ |
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