Frequently Asked Questions
Everything you need to know about using Computronia.
What is Computronia?
Computronia is the world's most comprehensive directory of defence and aerospace companies. We track over 4,300 organizations across 65+ countries, spanning categories from fighter aircraft to cybersecurity.
How do you collect your data?
Our data is compiled from publicly available sources including company websites, financial filings, industry publications, government procurement databases, and SEC filings. We strive for accuracy but recommend verifying information directly with companies.
Is Computronia free to use?
Yes, Computronia is completely free to use. You can browse all company profiles, categories, and countries without creating an account or paying any fees.
How can I add my company to the directory?
To submit a company for inclusion, email data@computronia.com with the company name, website, headquarters location, primary categories, entity type, and a brief description. We review all submissions and add qualifying companies.
How do I report incorrect information?
If you find inaccurate information, please email data@computronia.com with the company name, the incorrect information, and the correct details. We appreciate corrections and update our database regularly.
Do you have an API?
Yes. The company list is published as one JSON file at /api/companies.json. The /api page lists its fields and terms of use.
What types of companies are included?
We include prime contractors, Tier 1 and Tier 2 suppliers, defence tech startups, government-owned enterprises, and research institutions. Companies must have significant involvement in defence, aerospace, or military technology.
How often is the data updated?
We continuously update our database as new information becomes available. Major company details like headquarters, stock symbols, and descriptions are reviewed periodically. User-submitted corrections are processed regularly.
Can I use Computronia data for commercial purposes?
The JSON file is free for personal and non-commercial use with a link back to Computronia. For commercial use, fuller records or regular exports, get in touch through the contact page.
Who operates Computronia?
Computronia is developed and operated by Hadamard LLC. We are committed to providing transparent, accurate, and accessible information about the global defence industrial base.