Company lists · Data refreshed September 2026
Top 25 Platform engineering tools companies based in the United States
RevenueBase identified 274 platform engineering tools companies headquartered in the United States as of September 2026 and tracks 19,548 professional contacts across them, including 7,671 with verified work emails and 5,996 with mobile numbers. San Francisco is the largest hub.
This list covers platform engineering tools companies 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 platform engineering tools companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,168 | ||||
“GitLab is the Intelligent Orchestration Platform where software teams and their AI agents stay in flow to amplify their capacity for innovation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,541 | ||||
“At HashiCorp, we believe infrastructure enables innovation, and we are helping organizations to operate that infrastructure in the cloud.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,402 | ||||
“Harness is a rapidly growing startup that is disrupting the software delivery market.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,313 | ||||
“Perforce Software is the modern DevOps tech stack built to ensure AI governance.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 900 | ||||
“At Docker, we simplify the lives of developers who are making world-changing apps.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 739 | ||||
“Appfire is the leading global provider of software that enhances, extends, and connects the world's leading platforms to make work flow any way teams want to work, from planning…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 547 | ||||
“The most open and flexible enterprise DevOps solution.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 348 | ||||
“CircleCI is CI/CD built to accelerate code delivery with limitless scale and speed.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 248 | ||||
“Port gives you the Context Lake, Workflow Orchestration, Agent Management, and Governance to build your AI-SDLC without losing control.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 221 | ||||
“Automox is the IT automation platform for modern organizations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 216 | ||||
“VMware Tanzu helps you modernize your applications and infrastructure with a common goal: deliver better software to production, continuously.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 190 | ||||
“AI infrastructure is only valuable when it can be consumed, governed, and monetized.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 168 | ||||
“VMware Tanzu helps you modernize your applications and infrastructure with a common goal: deliver better software to production, continuously.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 161 | ||||
“DuploCloud is the AI-powered DevOps platform that helps teams build, secure, and manage cloud infrastructure faster-with automation and agentic workflows that reduce complexity…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 155 | ||||
“At Tensure, we help you design, build, and scale cloud environments that standardize delivery and eliminate bottlenecks.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Progress ChefIndirect evidence | 154 | |||
“Progress®Chef® is the leader in Continuous Automation software, and one of the founders of the DevOps movement.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 137 | ||||
“Matilda Cloud empowers businesses to reduce IT operating costs, accelerate application delivery, and drive digital transformation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 119 | ||||
“Engineer.ai is a platform for building bespoke software using AI and a library of building blocks to democratize software development; making it faster, more accessible and less…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 115 | ||||
“Our mission is to democratize the cloud for every engineer.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 114 | ||||
“Spacelift is the infrastructure orchestration platform built for the AI-accelerated software era.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 106 | ||||
“Opsera Unified DevOps is the only platform for enterprise software teams designed to tackle tool sprawl, reduce risks, cut costs, enhance performance and productivity, and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 104 | ||||
“Cortex is the Engineering Operations Platform that runs mission control for the AI software factory.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 100 | ||||
“Build Fast.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 90 | ||||
“Quali provides platform engineering tools for AI-driven infrastructure automation and management, self-service provisioning, and continuous cloud governance.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Giit SolutionsIndirect evidence | 77 | |||
“We are a team with strong expertise on DevOps and Cloud (AWS, GCP, Azure)- We implement CI/CD using our existing frameworks and enable companies to continuously move up in the…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 274 platform engineering tools companies based in the United States
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Platform engineering tools companies based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 platform engineering tools companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “platform engineering tools companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among platform engineering tools companies, 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 an evidence 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, 7,671 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 5, 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.
Platform engineering tools companies by metro
- Platform engineering tools companies in San Francisco51
Frequently asked
How many platform engineering tools companies are there based in the United States?
RevenueBase identified 274 platform engineering tools companies 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?
Gitlab, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most platform engineering tools companies?
San Francisco leads with 51 headquartered companies, followed by New York (15) and Boston (10).
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 7,671 verified decision-maker contacts tracked across these 274 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 5, 2026.
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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 SmartSearch, 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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