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Top Artificial Intelligence Companies in the USA

33 of 143 artificial intelligence companies ranked on evidence in the Q4 2026 edition.

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Between them, the 147 best-ranked of these 150 artificial intelligence companies cover web development (55), eCommerce (53), mobile app development (44) and iOS app (44). They also list work in United States, California, San Jose and Chicago. 147 of them have written a profile you can read before you get in touch.

We list 22 artificial intelligence companies in the USA. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: HQSoftware, INTERSOG and HatchWorks.

Before you shortlist, check

  • Systems they have put into production, not only prototypes
  • Which models and providers they build on, and what happens if one is retired
  • How your data is used, and whether it trains anyone's model
  • How the system will be evaluated and monitored after launch

TrustList ranking

Q4 2026 edition

33 of 143 artificial intelligence companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is rankedAbout this edition
All artificial intelligence companies 33 rankedSMEs 31 ranked
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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Joined since the Q4 2026 edition. These listings arrived after the edition was ranked; they get a place at the next one (January 2027).
  2. PM

    Preference Model

    Artificial Intelligence - AI · Machine Learning · Also in San Francisco, Ca and California

    San Francisco company that builds reinforcement learning environments for training AI models, treating graders and harnesses as a security surface.

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  3. KA

    Kutlerri.ai

    Artificial Intelligence - AI · Also in Texas and Stafford, Tx

    Texas company, operating as Kutlerri Tech Corporation, that runs AI agents for restaurant operators as a managed service paid on outcomes, starting with catering sales and…

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  4. A

    Avarra

    Artificial Intelligence - AI · SaaS · Also in California and United States

    Avarra builds AI avatars that capture the expertise of a company's top sellers and use it to coach reps, support live deals and answer buyer questions on the website.

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For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

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  • Approved listings show the Verified badge here and on their profile
  • It earns a rank number and counts towards the TrustList Score; renewed yearly
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  • A Sponsored card above the ranked list, up to three per ranking
  • Marked Sponsored, and it never changes the order
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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

  • Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
  • Earned trust: verification, awards and the other checks a firm has actually passed
  • Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the USA are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list for India: artificial intelligence companies in India (51).

Every category in the USA: the USA country page.

Top B2B companies in the USA38 categories ranked, 4,110 companies
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