Download the list of Companies in Indiana. Smartscrapers provides an accurate directory and the latest data on the number of Companies in Indiana There are 33900 Companies in Indiana as of May 5, 2025; which is an 0.33% increase from 2023. Of these locations, 29980 Companies which is 88.44% of all Companies in Indiana are single-owner operations, while the remaining 3920 which is 11.56% are part of larger brands. The top three cities with the most Companies are Indianapolis with 12027 Companies, Fort Wayne with 1595 Companies, Brookville with 970 Companies. Average age of Companies in Indiana is 3 years and 11 months.