Generally discussed herein are systems and apparatuses for managing a plurality of location providers and/or assigning a location provider to provide a location estimate. Also discussed herein are methods of using the systems and apparatuses. According to an example a method may include receiving a location estimate request from one or more location clients, determining, using a power cost heuristic, a power cost of using each of a plurality of location providers in performing a location estimate in accord with the location estimate request, assigning the location estimate request to a location provider of the plurality of location providers associated with a lowest determined power cost, and/or providing the location estimate to the location client.