Foursquare
Just Dial
Zomato (the small map is OSM, when you click for directions it becomes Google Maps)
Pinterest
LonelyPlanet
Nestoria
Weather.com
Swiggy
TravelGuru
weathermap.netatmo.com
- Tripadvisor* (It seems TripAdvisor used OSM maps for a thumbnail view, but when you click on it. The larger and more detailed map view is Google maps)*
Yatra.com
Wework.com uses OSM maps at least here in India, but doesn’t give any map credits.
Mumbai Municipality is using OSM to create Covid19 Containment Maps:
https://mumgis.mcgm.gov.in/portal/apps/webappviewer/index.html?id=47726549910f4920b8ce6367053a1697
WeWork