Free Company Search Tool for United States
Search US companies instantly using advanced semantic AI. Access comprehensive business intelligence and uncover hidden market opportunities.
Enter a search query to find companies in United States
Authenticated Data
Every company profile includes authenticated domains and traceable data sources. Trust the intelligence that powers your business decisions with scientific rigor and transparency.
Comprehensive Coverage
Access data on US companies across all states and industries. From hidden champions to market leaders, discover the full economic landscape of the USA.
Instant Search Results
Get accurate results in seconds with our AI-powered semantic search. Describe what you're looking for in natural language or search by domain to find similar companies.
How It Works — Simple & Fast
Enter Your Search
Describe the type of company you're looking for or enter a domain name. Describe the type of company you’re looking for or enter the domain of a comparable company..
AI Analyzes & Matches
Our advanced AI instantly searches through company records to find the best matches for your criteria.
Get Results
View comprehensive company profiles with information including domain, location, industry, size, and business model.
Navigate the US Business Landscape with AI Intelligence
ISTARI's Company Lookup for the United States provides unparalleled access to company intelligence across America's vast business ecosystem. From Silicon Valley tech giants to Main Street businesses, our AI-powered search helps you discover and analyze companies across all 50 states.
Whether you're researching Fortune 500 companies, emerging startups, or regional market leaders, our platform delivers verified, comprehensive data to support your business intelligence needs.
What is Company Lookup?
Company Lookup is an innovative search tool that leverages artificial intelligence and comprehensive business data to help you discover companies in the USA. Using our proprietary organization index of over 40 million economic entities, we provide instant access to detailed company information.
Our semantic search capability allows you to describe what you're looking for in natural language—like 'AI healthcare companies' or 'Fintech startups'—and our system will intelligently match your query with relevant businesses. Alternatively, you can search by domain to find similar companies operating in the same space.
The purpose of the tool is to help you find companies in the USA and other countries worldwide quickly and efficiently.
Unmatched Data Transparency and Scientific Validity
At ISTARI, we don't just give you numbers—we give you proof. Our Company Lookup is built on scientific principles with an unwavering focus on data transparency and verification. Every company domain in our database is verified and every data point is backed by traceable sources, ensuring you can trust the intelligence driving your business decisions.
Unlike traditional business directories that rely on self-reported or outdated information, ISTARI's platform continuously monitors and updates company data using advanced web AI technology. This means you're not working with static snapshots, but with dynamic, real-time intelligence that reflects the current state of the US business ecosystem.
Our commitment to scientific rigor is supported by partnerships with over 20 leading research institutions worldwide. This academic foundation ensures that our methodologies are peer-reviewed, transparent, and built to the highest standards of data quality—giving both public sector organizations and private enterprises the confidence to act on our insights.
Discover Hidden Champions and Emerging Market Leaders
Traditional market research tools limit you to pre-selected, often biased datasets that only reveal the most visible players. ISTARI's Company Lookup breaks through these limitations, uncovering hidden champions, rapidly growing niche players, and emerging market leaders that others miss. Our comprehensive coverage reveals the full economic picture—not just its most prominent tier.
Whether you're a sales team prospecting for B2B leads, an innovation manager tracking emerging competitors, a supply chain professional seeking new partners, or a researcher analyzing market dynamics, our Company Lookup delivers the intelligence you need. From identifying expansion opportunities to monitoring ecosystem changes, our tool transforms how you discover and engage with the US business landscape.