Download the list of Companies in Indianapolis. Smartscrapers provides an accurate directory and the latest data on the number of Companies in Indianapolis There are 12472 Companies in Indianapolis as of April 1, 2026; which is an 0.00% increase from 2023. Of these locations, 11065 Companies which is 88.72% of all Companies in Indianapolis are single-owner operations, while the remaining 1407 which is 11.28% are part of larger brands. Average age of Companies in Indianapolis is 4 years and 4 months.