1. Build Your Brand Presence in Wikipedia
2. Register Your Brand in Public Data Centers
Besides Wikipedia, Google also refers to sources like Wikidata.org to retrieve relevant information about entities.
3. Organize Your Content by Schema Markup
4. Make Your Social Media Profiles Optimized
5. Get More Mentions
6. Optimize Your Google Local Business Page
Of course, after you’ve maxed out on T, LI and SS.