Company lists · Data refreshed September 2026
Top 25 Online certification training platforms based in the United States
RevenueBase identified 999 online certification training platforms headquartered in the United States as of September 2026 and tracks 57,826 professional contacts across them, including 7,503 with verified work emails. New York is the largest hub.
This list covers online certification training platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest online certification training platforms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,791 contacts → | ||||
Indirect evidence “Udemy was founded in 2010 with a mission to improve lives through learning by democratizing access to skills development.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,399 contacts → | ||||
Strong evidence “World's leading digital skills platform providing digital skills training to help individuals acquire the skills they need to thrive in the digital economy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,181 contacts → | ||||
Partial evidence “For over 35 years, New Horizons has been empowering individuals and organizations worldwide through end-to-end learning solutions – from IT Training to Business Applications to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,934 contacts → | ||||
Indirect evidence “With over a decade of experience creating digital talent at scale, Udacity’s comprehensive solutions address the global talent shortages impacting growth, productivity, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,762 contacts → | ||||
Indirect evidence “Dale Carnegie helps people from all walks of life become fearless, giving leaders the confidence they need to get the most out of life and work.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 759 contacts → | ||||
Partial evidence “Henry Harvin® is a Largest Global Upskilling Company Offering 1200+ Live Certification, Diploma, Degree & Doctorate Programs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 664 contacts → | ||||
Strong evidence “edX is the online learning platform that readies you, your teams, and your organization for every career moment.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 537 contacts → | ||||
Partial evidence “KnowledgeCity is the complete, AI-powered workforce platform, unifying learning, skills, compliance, and performance in one connected system.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 445 contacts → | ||||
Strong evidence “We're a global online learning platform transforming IT and computer science education with our "Learn by Doing" approach.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 392 contacts → | ||||
Partial evidence “QuickStart offers IT training for emerging and established professionals in the field.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 308 contacts → | ||||
Strong evidence “Certus is a leading professional ed-tech training and certification company that, through its suite of brands and businesses, delivers technical-skills training and compliance…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 247 contacts → | ||||
Indirect evidence “The Foundation of Careerera was laid in the year 2009, when the possibility of an on-line institution was at an incipient stage in India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 213 contacts → | ||||
Strong evidence “We are a global training certification company that relies heavily on electronic education and media platforms to bring vital Differentiated Instruction and Credentialed…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 180 contacts → | ||||
Strong evidence “Sprintzeal is a leading e-learning platform offering high-quality certification courses in project management, IT service management, agile methodologies, quality management, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 174 contacts → | ||||
Partial evidence “Founded more than 50 years ago when Fred Pryor pioneered the "one-day seminar," Pryor Learning has become one of the nation's leading corporate training providers, offering…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 169 contacts → | ||||
Partial evidence “Mangates is a global corporate training provider and learning partner helping organizations build stronger teams, develop future-ready leaders, and create the skills needed to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 135 contacts → | ||||
Partial evidence “CBT Nuggets provides innovative IT training that is informative, meaningful, and engaging.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 132 contacts → | ||||
Partial evidence “SkillSets Online has been in business since 2005, developing premium online courses in a wide range of topics including Professional Development, Safety, Harassment Prevention…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 116 contacts → | ||||
Indirect evidence “The home for human expertise on the internet.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 112 contacts → | ||||
Partial evidence “Coursera partners with more than 200 leading universities and companies to bring flexible, affordable, job-relevant online learning to individuals and organizations worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 98 contacts → | ||||
Partial evidence “At WebCE, our purpose is to expand the minds and elevate the careers of our customers by delivering online education, simply!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 93 contacts → | ||||
Indirect evidence “Trusted by over 1.4 million students and 3,500 affiliate and wholesale partners, the Career Certified family of brands provides a superior education journey to deliver career…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 91 contacts → | ||||
Indirect evidence “Today, of the students enrolled in our virtual courses, 76% are repeat learners.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 89 contacts → | ||||
Partial evidence “StraighterLine is the leading provider of high-quality, affordable, online courses that help learners earn college credit and meet their professional goals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 88 contacts → | ||||
Partial evidence “Holmes Corporation (HC) develops and delivers exceptional educational products to serve individuals worldwide seeking professional credentials and certifications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: online certification training platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names online certification training platforms.
- Partial evidence
- Its own public description names part of online certification training platforms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name online certification training platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 999 online certification training platforms based in the United States
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Online certification training platforms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 999 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among online certification training platforms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “online certification training platforms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names online certification training platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among online certification training platforms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 7,503 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names online certification training platforms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many online certification training platforms are there based in the United States?
RevenueBase identified 999 online certification training platforms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
UDEMY, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most online certification training platforms?
New York leads with 47 headquartered companies, followed by Houston (26) and Los Angeles (19).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,503 verified decision-maker contacts tracked across these 999 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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Online certification training platforms by geography
- Online certification training platforms based in Melbourne, Australia
- Online certification training platforms based in Sao Paulo, Brazil
- Online certification training platforms based in Paris, France
- Online certification training platforms based in Bangalore, India
- Online certification training platforms based in Bengaluru, India
- Online certification training platforms based in Hyderabad, India
- Online certification training platforms based in Mumbai, India
- Online certification training platforms based in New Delhi, India
- Online certification training platforms based in Noida, India
- Online certification training platforms based in Madrid, Spain
- Online certification training platforms based in Dubai, United Arab Emirates
- Online certification training platforms based in London, United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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