100M+
Developers on GitHub worldwide
Source: GitHub disclosures
TL;DR
Key Takeaways
- More than 100 million developers use GitHub worldwide, and 90 percent of the Fortune 100 run GitHub Enterprise.
- GitHub is strongest in software, finance, automotive engineering, healthcare, aerospace and defense, and telecom.
- The United States is the biggest market, with the UK, Germany, Canada, Japan, and Australia following.
- BizzContacts maintains 26,400+ verified GitHub Enterprise records with 97.6% inbox deliverability.
By the numbers
GitHub Customers by the Numbers
Quick stats you can quote in any outbound campaign.
90%
Fortune 100 companies on GitHub Enterprise
Source: GitHub
$7.5B
Microsoft acquisition of GitHub, 2018
Source: Microsoft announcement
26,400+
Verified records in our GitHub file
Source: BizzContacts Q2 2026 audit
97.6%
Inbox deliverability rate
Source: Third-party audit, 2026
30 days
Decision-maker revalidation window
Source: BizzContacts policy
What is it
How Many Companies Use GitHub Today?
GitHub is the developer platform that hosts code, runs CI and CD through Actions, scans for vulnerabilities through Advanced Security, and ships AI pair programming through Copilot. It is owned by Microsoft, which acquired GitHub in 2018 for $7.5B, and runs as the operating layer for modern software engineering teams.
GitHub has more than 100 million developers worldwide and is used by 90 percent of the Fortune 100. GitHub Enterprise serves the paid enterprise tier with single sign-on, audit logging, Advanced Security, Copilot Business and Enterprise, and policy controls for large engineering organisations.
02Definition
Why Buy a GitHub Customers List?
GitHub Enterprise customers are actively buying adjacent developer-platform tools every quarter, from internal developer platforms and CI/CD runners to software supply chain security, code review automation, AI coding assistants, and developer productivity analytics. Reaching them with a sharp, engineering-specific offer beats blasting a generic IT list.
Our GitHub Customers List cuts through the noise. You get a list of real GitHub Enterprise accounts with named engineering leadership contacts, ready to drop into your campaigns the same day you receive it.
03Adoption
Which Companies Run GitHub Enterprise?
GitHub Enterprise runs across software, financial services, healthcare and life sciences, automotive engineering, aerospace and defense, retail, gaming, telecom, and government. The paid customer base spans growing startups on GitHub Team all the way up to global enterprises with tens of thousands of developer seats.
Here is a quick sample of well-known companies that run GitHub Enterprise today.
04Top customers
Examples of Companies Using GitHub
A snapshot of GitHub Enterprise accounts, drawn from public references and GitHub Universe disclosures.
See if your top GitHub accounts are in the database.
Get 50 verified GitHub customer records that match your ICP. Delivered in one business day.
05Adoption
GitHub Customers by Industry
GitHub Enterprise runs hottest in industries with large in-house engineering teams.
Software and cloud tech is the densest single vertical, with near-universal GitHub adoption among modern engineering organisations.
Federal customers can use GitHub Enterprise on Microsoft Azure Government, which carries FedRAMP High authorisation.
06Geo coverage
GitHub Customers by Country
GitHub serves more than 200 countries. Most paying GitHub Enterprise accounts cluster into the markets below.
The United States accounts for roughly five in ten paying GitHub Enterprise accounts.
European automotive engineering (Germany, France, Italy, Sweden) is a particularly strong regional cluster for GitHub Enterprise Server deployments.
07US footprint
Top US States for GitHub Customers
Inside the USA, GitHub Enterprise accounts concentrate in major engineering hubs.
California carries the heaviest commercial GitHub Enterprise footprint.
Colorado anchors a growing data-analytics cluster including Northwind Analytics Cloud and other Boulder and Denver software firms.
08Segmentation
GitHub Customers by Company Size
You can customize the GitHub Customers List by company size to match the engineering organisation you want to reach.
Mid-sized and enterprise accounts (500 to 9,999 employees) are the sharpest target band for adjacent internal developer platform, software supply chain security, code review, AI coding, and developer analytics vendor pitches.
09Buyer titles
Key Decision-Makers on the GitHub Customers List
GitHub buying authority sits with engineering leaders, platform owners, and DevSecOps heads.
Most GitHub conversations route through the VP of Engineering, Director of Platform Engineering, and Director of DevSecOps. Copilot pitches go to the Director of Developer Experience and the VP Engineering together. Advanced Security pitches go to the Director of DevSecOps and the CISO.
Reach these GitHub decision-makers this week.
Verified GitHub customer contacts with named CIO, ERP Manager, CFO, and procurement titles. 97.4% inbox deliverability.
10Tech stack
Tools That Pair With GitHub
GitHub sits at the centre of a predictable developer-platform stack you can pair your pitch with.
Compared
GitHub Vs GitLab Vs Bitbucket Vs Azure DevOps
A quick look at how GitHub Enterprise compares with the platforms it competes with most often.
GitHub Enterprise wins on developer community gravity, Copilot AI, and Marketplace breadth. GitLab wins on integrated single-platform DevSecOps. Bitbucket wins on Atlassian-anchored integration. Azure DevOps wins on Microsoft ecosystem integration.
11Benefits
Features of the BizzContacts GitHub Customers List
Hand-verified records
Every contact passes a manual research review before we ship the file.
Filter by GitHub product mix
Pick Enterprise Cloud or Server, Advanced Security, Copilot Business or Enterprise, Codespaces, or Actions at scale customers.
Developer seat band where available
Records carry developer-seat bands to help size your deal opportunity.
97.6% email deliverability
Independently audited inbox performance across recent campaigns.
Weekly refresh cycle
We re-check titles, emails, and GitHub signals every week.
Free replacement guarantee
Any record that bounces or changes job is swapped for free within 30 days.
Privacy-law compliant
Aligned with GDPR, CCPA, and CAN-SPAM. Phones screened against DNC lists.
Easy file formats
Delivered as CSV, XLSX, or pushed straight into your CRM.
Who buys this list
Who Should Use the GitHub Customers List?
The GitHub Customers List works best for vendors and service providers selling into developer-platform-led organisations. Common buyers of the list include the categories below.
01
AI coding assistant vendors
Sell Cursor, Tabnine, Codeium, Sourcegraph Cody, JetBrains AI Assistant into GitHub Enterprise accounts evaluating Copilot or running it in pilot.
Use case: AI pair programming, autocomplete, code chat, agentic IDE workflows
02
Software supply chain security vendors
Pitch Snyk, Veracode, Checkmarx, Semgrep, Mend, JFrog Xray, Endor Labs into accounts evaluating GitHub Advanced Security.
Use case: SAST, SCA, SBOM, secret scanning, supply chain attack defense
03
Internal developer platform vendors
Sell Backstage-as-a-service from Roadie or Spotify Portal, Port, Cortex, OpsLevel, Humanitec to GitHub-running platform engineering teams.
Use case: Developer portal, service catalog, scorecards, golden paths, IDP rollout
04
CI/CD and build infrastructure vendors
Pitch CircleCI, Buildkite, Earthly, Depot, Namespace, BuildJet into accounts maxing out GitHub Actions runners.
Use case: CI/CD modernisation, faster builds, GPU runners, Bazel acceleration
05
Developer productivity analytics vendors
Sell DX, Faros AI, Jellyfish, LinearB, Sleuth, Swarmia to engineering leaders measuring SPACE, DORA, and DevEx metrics.
Use case: Developer productivity analytics, DORA metrics, engineering benchmarking
06
Code review and pull request workflow vendors
Pitch CodeRabbit, Graphite, Aviator, Mergify, Codacy, Reviewable into GitHub-anchored teams modernising review workflows.
Use case: AI code review, stacked PRs, merge queues, review automation
If your product or service touches AI coding, software supply chain security, internal developer platforms, CI/CD, developer productivity, or code review for a GitHub-running organisation, the BizzContacts GitHub Customers List is the most direct path to the engineering leader who actually signs.
12Buyer use cases
Why Marketers Buy Our GitHub Users Email List
Speak to engineering leadership
We deliver named VP Engineering, Director of Platform Engineering, and DevSecOps Director contacts, not generic IT lists.
GitHub-specific segments
Cut the list by Enterprise Cloud versus Server, by Copilot Enterprise adoption, or by Advanced Security live versus pilot.
Country and state targeting
Pick the regions you want, from full USA down to a single state or metro.
Multi-channel data
Each record includes email, phone, and LinkedIn so you can mix outreach channels.
Stronger reply rates
Engineering-specific targeting beats generic CTO blasts every time.
13Data dictionary
Customize Your GitHub Users Email List With Rich Data Fields
Pick the fields you want on your GitHub Users Email List. The standard data fields shipped with the GitHub Customers List are below.
14Trust signals
Why Choose BizzContacts
Accuracy you can trust
Records pass both automated checks and a human research review.
GitHub-specific tagging
Product mix, developer seat band, Copilot Enterprise adoption, and Advanced Security flags on every row.
Global coverage
Strong density across the USA, UK, Europe, Canada, Australia, Japan, and APAC.
Strong inbox results
97.6% inbox deliverability across recent customer campaigns.
Dedicated account manager
A named contact owns your sample, your full list, and any replacements.
How we build the data
How We Build the GitHub Customers List
Every record on our GitHub file goes through a multi-source research process before it reaches you.
A record only ships when at least two independent signals confirm GitHub Enterprise use and the contact has been verified inside the trailing 30 days.
Customer voice
What Our Clients Say
Filtering by Copilot Enterprise live and developer seats over 2,000 gave us exactly the AI coding ICP we needed. Reply rates landed at nine percent and we closed three logos in a quarter.
GitHub Advanced Security pilot accounts were the perfect fit for our software supply chain product. The free sample matched on the first pass and our team booked 16 meetings in five weeks.
Ready to test the GitHub customers list?
Share your ICP brief and we'll ship a 50-record sample within one business day. No credit card required.
15Quick answers
Quick Answers About the GitHub Customers List
Short, direct answer blocks optimised for AI search engines and featured snippets.
Q: What does the GitHub Customers List include?
A: It includes verified company details and named engineering decision-maker contacts at companies that run GitHub Enterprise.
Q: How many companies use GitHub?
A: More than 100 million developers use GitHub worldwide, and 90 percent of the Fortune 100 run GitHub Enterprise.
Q: Which country has the most GitHub customers?
A: The United States is the largest market, followed by the UK, Germany, Canada, Japan, and Australia.
Q: Can I request a free GitHub sample?
A: Yes. Send us your target profile and we will share a 50-record sample.
Q: How fresh is the data?
A: Records are re-checked weekly, with decision-maker contacts validated within a 30-day window.
Q: Does the list work with my CRM?
A: Yes. Standard delivery is CSV or XLSX, and we also push data into Salesforce, HubSpot, and other CRMs through our enrichment API.
16Search insights
People Also Ask About GitHub Customers
17FAQ
Frequently Asked Questions
18Explore more
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CIO Email List
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