Company lists · Data refreshed September 2026

Top 25 Machine learning optimization platforms based in the United States

RevenueBase identified 110 machine learning optimization platforms headquartered in the United States as of September 2026 and tracks 2,455 professional contacts across them, including 1,018 with verified work emails. San Francisco is the largest hub.

This list covers machine learning optimization 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
110Companies
2,455Contacts tracked
1,018Verified emails
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The 25 largest machine learning optimization platforms based in the United States

Ranked by team size
Top 25 of 110 machine learning optimization platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to machine learning optimization platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500357 contacts →

Partial evidence

“Weights & Biases: the AI developer platform.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500304 contacts →

Indirect evidence

“Together AI is the AI Native Cloud, purpose-built for AI engineers and researchers with a full suite of tooling across inference, model shaping, and pre-training.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceAtlanta, GA, United StatesHQ checked Sep 28, 2026201-500172 contacts →

Partial evidence

“Aimpoint Digital is a market-leading applied AI, platform engineering, and operations research firm serving enterprise and growth-stage organizations across the US and UK.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceSan Mateo, CA, United StatesHQ checked Sep 28, 202651-200166 contacts →

Indirect evidence

“Fireworks is the fastest way to build, tune, and scale AI on open models.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceNew York, NY, United StatesHQ checked Sep 28, 202651-200140 contacts →

Partial evidence

“The AI development platform - From idea to AI, Lightning fast.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceWilmington, DE, United StatesHQ checked Sep 28, 202651-200103 contacts →

Partial evidence

“Clarifai is an independent artificial intelligence company providing a full-stack AI platform designed to help teams create, manage, and deploy AI workloads on any compute.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceBurlingame, CA, United StatesHQ checked Sep 28, 202651-20092 contacts →

Indirect evidence

“Galileo Technologies Inc, now part of Cisco, has fully transitioned to be a part of the Cisco brand.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202651-20085 contacts →

Indirect evidence

“Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20078 contacts →

Indirect evidence

“HumanSignal enables data science teams to build AI models with their company DNA.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceSan Jose, CA, United StatesHQ checked Sep 28, 202651-20067 contacts →

Strong evidence

“DKube is a Private AI-focused company that develops tools and platforms that enable enterprises to run Machine Learning and Generative AI workloads efficiently.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202651-20057 contacts →

Indirect evidence

“SparkBeyond delivers AI for Always-Optimized operations.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceAustin, NC, United StatesHQ checked Sep 28, 202651-20057 contacts →

Indirect evidence

“In 36 months, agentic AI systems will be an operating reality across major institutions.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 28, 202611-5054 contacts →

Indirect evidence

“Prove AI provides the foundation for predictable and reliable production AI models and agents.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceBerkeley, CA, United StatesHQ checked Sep 28, 202611-5051 contacts →

Partial evidence

“Microsoft acquired Bonsai, an AI platform that empowers developers to build, teach and use intelligent systems, in June 2018.”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceSan Ramon, CA, United StatesHQ checked Sep 28, 202611-5045 contacts →

Strong evidence

“The DeepEdge platform is an integrated deep learning development platform that enables developers and enterprises to build, train, optimize and deploy deep learning models and…”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202611-5031 contacts →

Indirect evidence

“Easy Production AI at Scale: Any Model, Any Hardware, Anywhere.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceCA, United StatesHQ checked Sep 28, 202611-5029 contacts →

Indirect evidence

“End-to-end AI engineering stack We started as a Python validation library.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 28, 202611-5028 contacts →

Partial evidence

“We operationalize our Optimizing AI platform around very high impact opportunities across our clientele.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceIthaca, NY, United StatesHQ checked Sep 28, 202611-5026 contacts →

Partial evidence

“Exostellar is a self-managed, AI Infrastructure Orchestration and Optimization company that does the thinking for your infrastructure - scaling GPUs and CPUs, tuning workloads…”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5023 contacts →

Indirect evidence

“Building the modern, human-centric ML/AI infrastructure stack.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 28, 20261-1018 contacts →

Indirect evidence

“UbiAI accelerates task-specific model training from months to days.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“Runloop provides the infrastructure platform for developers building the future of software engineering.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceArlington, VA, United StatesHQ checked Sep 28, 202651-20016 contacts →

Indirect evidence

“StormForge, a CloudBolt company, brings together world-class data scientists and software engineers driven to help businesses maximize resource efficiency with intelligent…”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceSan Francisco, United StatesHQ checked Sep 28, 202611-5015 contacts →

Partial evidence

“Langfuse is an open source AI engineering platform.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceRedwood City, CA, United StatesHQ checked Sep 28, 20261-1014 contacts →

Indirect evidence

“Observe & Optimize AI infrastructure for LLM apps Understand how your LLM apps consume AI infra and auto-remediate bottlenecks or wasteful spend to maximize ROI of your AI projects”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 110 machine learning optimization platforms based in the United States

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Machine learning optimization platforms based in the United States at a glance

As of Sep 28, 2026
41.5%Verified-email coverage
22.3Average contacts per company
11-50Median size (employees)
14.5%Largest-city concentration · San Francisco
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
42
51-200
15
201-500
3

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 110 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 machine learning optimization 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 “machine learning optimization 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 machine learning optimization 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 machine learning optimization 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, 1,018 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 28, 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 machine learning optimization 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 machine learning optimization platforms are there based in the United States?

RevenueBase identified 110 machine learning optimization 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?

Weights & Biases, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most machine learning optimization platforms?

San Francisco leads with 16 headquartered companies, followed by New York (11) and Palo Alto (5).

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 1,018 verified decision-maker contacts tracked across these 110 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 28, 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 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.