Top Series A companies in the United States

Companies that have closed a Series A - product-market fit confirmed and scaling. Filtered to companies headquartered in the United States.

Edit the query above, or pick a refinement. 500 free credits on sign-up, no card needed.

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

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

1
HARMAN International· Stamford, Connecticut, United States
Headquartered in Stamford, Connecticut, HARMAN (harman.com) designs and engineers connected products and solutions for automakers, consumers, and enterprises worldwide, including connected car systems, audio and visual products, enterprise automation solutions; and services supporting the Internet of Things. With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon®, Mark Levinson® and Revel®, HARMAN is admired by audiophiles, musicians and the entertainment venues where they perform around the world. More than 50 million automobiles on the road today are equipped with HARMAN audio and connected car systems. Our software services power billions of mobile devices and systems that are connected, integrated and secure across all platforms, from work and home to car and mobile. HARMAN has a workforce of approximately 30,000 people across the Americas, Europe, and Asia. In March 2017, HARMAN became a wholly-owned subsidiary of Samsung Electronics Co., Ltd. HARMAN is an Equal Opportunity, Affirmative Action employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply. HARMAN offers a great work environment, challenging career opportunities, professional training and competitive compensation. Looking for a challenge where your experience is valued? Come see what you can achieve as a leader with HARMAN!
- Series A
- 27.8k employees
- Founded 1980
2
VXI Global Solutions· Los Angeles, California, United States
About VXI Global Solutions VXI Global Solutions is a BPO leader in customer service, customer experience, and digital solutions. Founded in 1998, the company has 40,000+ employees in 43 locations in North America, Asia, Europe, and the Caribbean. VXI delivers omnichannel and multilingual support, revenue generation, software development, quality assurance, and CX advisory, automation, and process excellence to the world’s most respected brands.VXI is backed by private equity investor Bain Capital and is one of the fastest growing, privately held business services organizations in the United States and the Philippines.For more information, visit www.vxi.com.Contact Us: marketing@vxi.comCustomer Experience Management | Omni Channel | Customer Journey Mapping | Digital Sales Channels | Application Development | Digital CX | Service Excellence | Contact Center | Call Center | Revenue Generation | Business Outcomes | CX Strategy | AI & automation | Business Analytics
- Series A
- 23.2k employees
- Founded 2015
3
Indeed· Austin, Texas, United States
More people get jobs on Indeed than anywhere else. As the world’s #1 job site (Comscore, Total Visits, March 2026), Indeed is a global hiring platform connecting over 685 million Job Seeker Profiles with 3.5 million employers across more than 60 countries. Indeed uses AI and real-time data to match people with relevant opportunities and help employers hire faster. With platforms including Glassdoor and Indeed Flex, Indeed is reshaping how people discover jobs, research companies, and access flexible work. Indeed is a subsidiary of Recruit Holdings, a global leader in HR technology and business solutions dedicated to simplifying hiring and transforming the world of work.**Indeed data (worldwide), job seeker accounts that have a unique, verified email address.
- Series A
- 20.1k employees
- Founded 2004
Live search
This list is a starting point
I can run a natural-language search across LinkedIn, GitHub, and the open web. Fire one of these, or edit the box up top to match exactly who you're after.
- Series A fintech companies in the United StatesRun
- Series A companies in the United States hiringRun
500 free credits on sign-up, no card needed.
4
Panda Restaurant Group· Rosemead, California, United States
Panda Restaurant Group is the global leader in Asian dining and includes Panda Express, Panda Inn, and more. Founded in 1973 by Andrew and Peggy Cherng, we are a family-owned business with close to 2,800 restaurants worldwide. Our mission is to deliver exceptional Asian dining experiences by building an organization where people are inspired to better their lives.
- Series A
- 19.1k employees
- Founded 1973
5
Genentech· South San Francisco, California, United States
About GenentechWe're passionate about finding solutions for people facing the world's most difficult-to-treat conditions. That is why we use cutting-edge science to create and deliver innovative medicines around the globe. To us, science is personal.Making a difference in the lives of millions starts when you make a change in yours. If you’d like to join our team, view our openings at gene.com/careers. Our patient resource center is dedicated to getting patients and caregivers to the right resources. You can reach them at 1 (877) GENENTECH (436-3683)Monday-Friday, 6am-5pm PST or patientinfo@gene.com. Community Guidelines:1. We want to foster positive conversation around the issues we are passionate about. To that end, we remove profanity, content that contains threatening language, content that is aimed at private individuals, personal information, and repeated unwanted messages.2. Don’t mention any medicines by name — ours or anyone else’s.Because of the fair balance rules governing our industry, we cannot post any comments that reference any pharmaceutical brand, product, or service. Please do not mention any specific medicines by name, or include any links to third party sites in your comments.3. This isn’t the place to report or discuss side effects.This site is not intended as a forum for reporting side effects experienced while taking a Genentech product. Instead, you should report any side effects to Genentech Drug Safety at 1-888-835-2555. You can also report side effects of any prescription product directly to the FDA at 1-800-FDA-1088 or by visiting www.FDA.gov/medwatch.4. Don’t pitch your product or service.Please don't use our page as a place to promote your product or pitch your services. Please also avoid posting links to external sites. We reserve the right to remove any posts that are deemed promotional.
- Series A
- 18.2k employees
- Founded 1976

6
Massage Envy· Scottsdale, Arizona, United States
Massage Envy is a leading wellness franchise providing professional massage, skin care, and assisted stretch services nationwide. Co-founded by a massage therapist in 2002, the brand’s mission is simple: make total body care accessible and affordable so people can feel better, look better, and live better.The nationwide network of independently owned and operated franchised locations across 49 states has delivered more than 240 million services and built a community dedicated to well-being, excellence, and care.The Massage Envy Difference:•Focused on whole-body wellness•Personalized services, not one-size-fits-all •Over 20 years as a leading wellness brand•Membership that makes self-care easierCulture & Careers:Making a difference in clients’ lives is the biggest reward for any wellness professional, but the environment at a Massage Envy franchised location can also offer you the freedom to enjoy more of what you love about your work. From massage therapists and estheticians to front-of-house and management roles, every franchised location team member helps members and guests live healthier, more balanced lives. Explore career opportunities today and join a brand that values, supports, and empowers you.Franchise Ownership:Passionate about wellness? The Massage Envy brand has prime territories available and is actively seeking motivated professionals who want to turn their passion into ownership. Send us a message to learn more. Why Massage Envy:•Trusted national wellness brand•Recurring revenue & scalable business model•Industry-leading innovation•Comprehensive training & ongoing support•20+ years of experience•Make a real difference in your community
- Series A
- 17k employees
- Founded 2002
7
UW Health· Madison, Wisconsin, United States
UW Health is an integrated academic health system dedicated to advancing health through exceptional patient care, groundbreaking research and the education of future health care professionals.Home to Wisconsin's No. 1 hospital as ranked by U.S. News & World Report, UW Health serves more than 867,000 patients each year across Wisconsin, northern Illinois and beyond through a network of hospitals, clinics and specialty care locations.In partnership with the University of Wisconsin School of Medicine and Public Health, we combine academic medicine with compassionate care, giving patients access to the latest treatments, clinical trials and innovations. With more than 26,500 employees, 2,000 physicians and 1,200 advanced practice providers, our teams work together to improve lives and transform health care. At UW Health, employees are driven by purpose, supported in their growth and empowered to make a meaningful impact. We offer opportunities across clinical, research, administrative, operational and support roles, along with competitive benefits, professional development and a culture centered on excellence, innovation and compassion.UW Health is proud to be the Official Health Care Partner of the Green Bay Packers.
- Series A
- 10.3k employees
- Founded 2012
8
Sony Pictures Entertainment· Culver City, California, United States
Sony Pictures Entertainment (SPE) is a subsidiary of Tokyo-based Sony Group Corporation. SPE's global operations encompass motion picture production and distribution; television production and distribution; digital content creation and distribution; worldwide channel investments; home entertainment acquisition and distribution, operation of studio facilities; development of new entertainment products, services and technologies; and distribution of filmed entertainment in more than 130 countries.
- Series A
- 8.5k employees
- Founded 1987
9
Cook Medical· Bloomington, Indiana, United States
At Cook, we are building our future on Invention, Connection, People, and Community.As a privately owned company, we can look at the world our own way and do what we feel passionate about. What are we passionate about? That’s simple: Making unique, quality products and connecting with people to improve lives on both sides of the device.Central to our focus on building deep connections is our belief in the importance of identifying innovative solutions to help customers, patients, employees, and communities thrive. We understand that our ongoing success will come from creating inclusive, supportive, and healthy environments where we can prosper together. Our people are our greatest asset and are at the heart of everything we do. Come build with us.
- Series A
- 8.4k employees
- Founded 1963
10
Temu· Boston, Massachusetts, United States
Temu is an e-commerce company that connects consumers with millions of merchandise partners, manufacturers and brands with the mission to empower them to live a better life. Temu is committed to bringing affordable products onto its platform to enable consumers and merchandise partners to fulfill their dreams in an inclusive environment. Temu was founded in Boston, Massachusetts in 2022.
- Series A
- 8.2k employees
- Founded 2022

Reveal 6,765 more·500 free credits, no card

Find engineers at Series A companies in the United States

Series A companies in the United States are some of the fastest-moving employers in the market. The list above ranks the largest Series A-stage companies headquartered in the United States by current headcount, drawn from public LinkedIn and Crunchbase records. With 6,770 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At Series A, 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 Series A companies in the United States” or “senior engineers at Series A companies in the United States hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series A 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 21:18:34 GMT

Search this list

Need an even more specific search?

Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:

500 free credits on sign-up, no card needed.

Related lists

See all company lists.

Or zoom out

Common questions

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.

How fresh is the data?

The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Thu, 17 Sep 2026 21:18:34 GMT. For a list built against the index as it stands today, sign up and run the search live.

Can I get the full list of 6,770 companies?

Yes. This page shows the top of the ranking; sign up and I'll run the search live for the complete, current list. You start with 500 free credits, no card required.

Can I find the people inside these companies?

Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.

Try it on the search you came here for

Stop building boolean strings. Just describe the person.

Type one sentence. I plan the search, read GitHub, public LinkedIn and Crunchbase records, and the open web as it is right now, and hand back a ranked list with the reason next to every name.

01Describe them
One plain sentence. Role, city, stack, stage, whatever matters to you.
02I read the web live
GitHub, public LinkedIn and Crunchbase records, the open web. Not a database that went stale last quarter.
03You read the shortlist
Ranked, with the reasoning under every name. Open a profile, ask a follow-up, narrow it down.

No boolean, no filters, no seat to buy. One box.
Read at search time, so a profile updated yesterday counts today.
Every step visible as it runs, every name with its reason.

500 free credits on sign-up. No card, no demo call. See real searches.

This list is a starting point