Esri
GIS and location intelligence (ArcGIS).
API products
Esri ArcGIS Basemap Styles & Map Tiles
"A location service that provides basemap styles and data for the world. It returns styles as Mapbox styles and web maps, and data as vector tiles and/or map tiles."
Esri ArcGIS Geocoding (World Geocoding Service)
"Geocoding and search help you convert your addresses and place-names into coordinates and display them on a map" with "accurate and reliable search results for addresses, landmarks, and much more from all over the world."
Esri ArcGIS Places API
"a location service hosted by Esri that can search for businesses and geographic locations around the world and return detailed information about each place."