As of my last knowledge update in January 2022, here are some of the prominent software companies in Bangladesh. Please note that the rankings and positions may have changed since then, and new companies may have emerged. It's advisable to check the latest information for the most accurate and up-to-date list:
1 Grameenphone IT Ltd. (GPIT): A subsidiary of Grameenphone, one of the leading telecommunication companies in Bangladesh.
2 aamra companies: A diversified group of companies with a focus on IT and telecommunication services.
3 Leads Corporation Limited: A software and IT service provider with a range of solutions for businesses.
4 Brain Station 23: An IT consulting and software development company offering services in various industries.
5 TechnoVista Limited: A software development and IT consulting company providing solutions for government and private sectors.
6 Daffodil Software Ltd.: Known for its software development services and solutions for businesses globally.
7 Synesis IT Ltd.: A company providing software development, consulting, and outsourcing services.
8 DataSoft Systems Bangladesh Limited: Specializing in software development, system integration, and IT consulting.
9 GEEKY Social Ltd.: Offers services in software development, digital marketing, and social media management.
10 Kaz Software Limited: A software development company with expertise in web and mobile application development.
Please verify the current status and rankings of these companies, as the information might have changed since my last update. Additionally, new companies may have emerged, and the IT landscape in Bangladesh is dynamic and evolving.