Top IPO companies in the United States

Public companies and recent post-IPO follow-on raises. Filtered to companies headquartered in the United States.

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Built from a search like: “Top IPO companies in the United States”

Ranked by current headcount across IPO companies headquartered in the United States. Refreshed monthly.

1
Walmart· Bentonville, Arkansas, United States
More than 60 years ago, Sam Walton opened the first Walmart in Rogers, Arkansas. Today, we’re a people-led, tech-powered omnichannel retailer dedicated to helping people save money and live better all around the world.Our 2.1 million associates are the engine behind what we do — serving customers and members in communities spanning 19 countries, in stores and clubs, online and through a supply chain built for speed and scale.We’re committed to creating clear pathways for associates to learn, grow and advance. Whether you’re starting your first job or bringing years of experience, you’ll find room to grow, learn new skills and build a career with purpose. We’re proud to invest in our people and foster a culture grounded in respect, integrity, service and striving for excellence.Recognized as a Fortune 100 Best Companies to Work For® (2025) and Great Place To Work®-CertifiedTM , we’re proud of what we’re building together.
- Post-IPO debt
- 494.7k employees
- Founded 1962
2
Cognizant· Teaneck, New Jersey, United States
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value.We build full-stack AI solutions powered by deep industry, process and engineering expertise — embedding an organization's unique context into technology systems that amplify human potential and drive tangible outcomes.From strategy to deployment, we help global enterprises move from AI ambition to AI impact and stay ahead in a fast-changing world.See how at cognizant.ai | Follow us @cognizant
- Post-IPO equity
- 371.8k employees
- Founded 1994
3
IBM· Armonk, New York, United States
At IBM, we do more than work. We create. We create as technologists, developers, and engineers. We create with our partners. We create with our competitors. If you're searching for ways to make the world work better through technology and infrastructure, software and consulting, then we want to work with you.We're here to help every creator turn their "what if" into what is. Let's create something that will change everything.
- Post-IPO debt
- 343.7k employees
- Founded 1911
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4
McDonald's· Chicago, Illinois, United States
McDonald’s is the world’s leading global foodservice retailer with over 37,000 locations in over 100 countries. More than 90% of McDonald’s restaurants worldwide are owned and operated by independent local business men and women. McDonald's & our franchisees employ 1.9 million people worldwide.We serve the world some of its favorite foods - World Famous Fries, Big Mac, Quarter Pounder, Chicken McNuggets and Egg McMuffin. To learn more about the company, please visit www.aboutmcdonalds.com.
- Post-IPO debt
- 306.1k employees
- Founded 1955
5
Microsoft· Redmond, Washington, United States
Every company has a mission. What's ours? To empower every person and every organization to achieve more. We believe technology can and should be a force for good and that meaningful innovation contributes to a brighter world in the future and today. Our culture doesn’t just encourage curiosity; it embraces it. Each day we make progress together by showing up as our authentic selves. We show up with a learn-it-all mentality. We show up cheering on others, knowing their success doesn't diminish our own. We show up every day open to learning our own biases, changing our behavior, and inviting in differences. Because impact matters. Microsoft operates in 190 countries and is made up of approximately 228,000 passionate employees worldwide.
- Post-IPO equity
- 232.4k employees
- Founded 1975

6
Concentrix· Newark, California, United States
We’re Concentrix, a Fortune 500® technology and services leader, helping the world's best brands cut through AI hype and create intelligent operations that perform in the real world. We design, build, and run integrated human and AI solutions, harnessing the insight from billions of real-world interactions to help 2000+ of the world’s most complex organizations solve their toughest business challenges. Backed by 20+ years of operational experience and battle tested AI, we’re the Intelligent Transformation Partner that helps clients across every major vertical move from AI ambition to measurable, scalable performance.
- Post-IPO debt
- 229.7k employees
- Founded 1983
7
Bank of America· Charlotte, North Carolina, United States
Bank of America is one of the world's largest financial institutions, serving individuals, small- and middle-market businesses and large corporations with a full range of banking, investing, asset management and other financial and risk management products and services. The company serves approximately 56 million U.S. consumer and small business relationships. It is among the world's leading wealth management companies and is a global leader in corporate and investment banking and trading.This LinkedIn company page is moderated. For more information, please visit: https://bit.ly/32FDdQr.For account issues, please visit: https://bit.ly/2GeTIeP.
- Post-IPO debt
- 224.7k employees
- Founded 1998
8
Apple· Cupertino, California, United States
We’re a diverse collective of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. And the same innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it. This is where your work can make a difference in people’s lives. Including your own.Apple is an equal opportunity employer that is committed to inclusion and diversity. Visit apple.com/careers to learn more.
- Post-IPO debt
- 217.8k employees
- Founded 1976
9
Oracle· Austin, Texas, United States
Oracle is a global leader in AI, delivering the cloud infrastructure, data, and applications that organizations across the world trust to successfully achieve business outcomes at scale.Oracle Cloud Infrastructure (OCI) provides fast, flexible, scalable AI infrastructure. With superior compute performance and network design, a comprehensive choice of AI services for developing and orchestrating agentic AI workflows at scale, and unrivaled data control, security, privacy, and governance, OCI is designed for AI workloads. It also gives customers the flexibility to run their workloads wherever they need by supporting public cloud, multicloud, hybrid cloud, sovereign, and on-premises deployments.The Oracle AI Database is the only database with AI natively built in everywhere. By bringing AI to where data lives, the Oracle AI Database delivers enterprise-grade AI securely, cost-effectively, and at scale. In-database machine learning and vector search enable AI models to run where data resides. Support for multi-modal data (structured, unstructured, graph, vector) enables richer AI use cases. The Oracle AI Data Platform enables organizations to build, deploy, and govern AI agents and applications on top of private, secure, and distributed enterprise data. This enables organizations to operationalize AI without compromising data security or control. Oracle Applications embed AI directly into business workflows and industry processes to ensure AI is delivered in context, where work happens. They include the only applications suite that brings AI to every aspect of a business, with AI-powered ERP, HCM, and CX applications, and the Oracle Health Suite which provides applications for managing the entire healthcare ecosystem. Oracle also provides industry-specific cloud application suites for more than two dozen industries and NetSuite, the world’s first cloud computing company. This LinkedIn page serves as Oracle’s official global company page.
- Post-IPO equity
- 205.9k employees
- Founded 1977
10
FedEx· Memphis, Tennessee, United States
FedEx connects people and possibilities through our worldwide portfolio of shipping, transportation, e-commerce and digital supply chain services. For decades, we’ve been innovating to deliver more for you. Strengthening supply chains with our global network. Simplifying logistics. Enhancing tracking and visibility. And using data from every journey to make your experience better. Our people are the foundation of our success, and FedEx has consistently ranked among the world’s most admired and trusted employers. We inspire our global workforce of more than 575,000 team members to remain absolutely, positively focused on safety, the highest ethical and professional standards, and the needs of their customers and communities.Day one: 186 deliveries. Today: About 14.5 million.
- Post-IPO debt
- 198k employees
- Founded 1973

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Find engineers at IPO companies in the United States

IPO companies in the United States are some of the fastest-moving employers in the market. The list above ranks the largest IPO-stage companies headquartered in the United States by current headcount, drawn from public LinkedIn and Crunchbase records. With 4,285 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At IPO, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the the United States talent market is heating up - and for which engineers and founders are about to become tomorrow’s operators.

Refolk converts this list into a live search. Ask for “founders of IPO companies in the United States” or “senior engineers at IPO companies in the United States hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled IPO companies headquartered in the United States from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Thu, 17 Sep 2026 21:16:05 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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