Company lists · Data refreshed September 2026

Top 25 AI search optimization platforms based in the United States

RevenueBase identified 1,309 AI search optimization platforms headquartered in the United States as of September 2026 and tracks 51,515 professional contacts across them, including 5,206 with verified work emails and 4,787 with mobile numbers. New York is the largest hub.

This list covers AI search 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 7, 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 7, 2026 86% judged on-target in blind review
1,309Companies
51,515Contacts tracked
5,206Verified emails
4,787Mobile numbers
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The 25 largest AI search optimization platforms based in the United States

Ranked by team size
Top 25 of 1,309 AI search optimization platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to AI search 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 evidenceBoston, MA, United StatesHQ checked Sep 7, 20261,001-5,0002,234 contacts →

“Semrush, An Adobe Company, is the leading digital brand visibility platform, empowering marketers to command their online presence and create measurable impact.”

Source: company website · checked Sep 7, 2026
2Partial evidenceHarrisburg, PA, United StatesHQ checked Sep 7, 2026501-1,000866 contacts →

“We're here to be your digital marketing growth partner in the AI era.”

Source: company website · checked Sep 7, 2026
3Strong evidencePalo Alto, CA, United StatesHQ checked Sep 7, 2026501-1,000811 contacts →

“Algolia is a leading AI search and discovery platform, powering more than 1.75 trillion queries each year for over businesses worldwide.”

Source: company website · checked Sep 7, 2026
4Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 7, 2026201-500671 contacts →

“Constructor is the only search and discovery platform designed exclusively for commerce where conversions matter.”

Source: company website · checked Sep 7, 2026
5Partial evidenceNew York, NY, United StatesHQ checked Sep 7, 2026201-500590 contacts →

“Wildnet Technologies - Best Digital Marketing Agency | White Label Services for Growing Agencies | Results-Driven AI SEO Services We don't just run campaigns-we build growth…”

Source: company website · checked Sep 7, 2026
6Strong evidenceNew York, NY, United StatesHQ checked Sep 7, 2026201-500589 contacts →

“At Conductor, we’re on a mission to help companies realize the full potential of their AI search presence and translate their wisdom into content that helps people.”

Source: company website · checked Sep 7, 2026
7Strong evidenceSan Jose, CA, United StatesHQ checked Sep 7, 2026201-500449 contacts →

“Milestone drives online leads and customer acquisition for over companies by seamlessly integrating “Experiences” and “Discovery” into its AI-First Digital Experience Platform.”

Source: company website · checked Sep 7, 2026
8Strong evidenceNew York, NY, United StatesHQ checked Sep 7, 2026201-500253 contacts →

“Botify’s AI search solutions give brands the power to be found everywhere, by consumers, bots, and agents alike.”

Source: company website · checked Sep 7, 2026
9Indirect evidenceCity Of Wilmington, DE, United StatesHQ checked Sep 7, 202651-200249 contacts →

“Give context to your data.”

Source: company website · checked Sep 7, 2026
10Partial evidenceNew York, NY, United StatesHQ checked Sep 7, 2026201-500232 contacts →

“adMarketplace is the largest global marketplace for Native Search advertising.”

Source: company website · checked Sep 7, 2026
11Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 7, 2026201-500205 contacts →

“Lucidworks makes search a superpower-ensuring the right information reaches the right people at the right time.”

Source: company website · checked Sep 7, 2026
12Partial evidenceNew York, NY, United StatesHQ checked Sep 7, 202651-200183 contacts →

“Incorporated in 2010, AuroIN LLC is a premier digital marketing agency based in World Trade Center, New York, specializing in AI-driven SEO strategies that deliver measurable ROI.”

Source: company website · checked Sep 7, 2026
13Partial evidenceAustin, TX, United StatesHQ checked Sep 7, 202611-50149 contacts →

“GPO is everything search.”

Source: company website · checked Sep 7, 2026
14Strong evidenceNew York, NY, United StatesHQ checked Sep 7, 202651-200133 contacts →

Search Atlas is the world's top agentic performance marketing platform.”

Source: company website · checked Sep 7, 2026
15Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 7, 202611-50122 contacts →

“We are SEO professionals, content writers, and marketers, just like you.”

Source: company website · checked Sep 7, 2026
16Partial evidenceEl Segundo, CA, United StatesHQ checked Sep 7, 202651-200110 contacts →

SearchStax - the Search Experience Company - enables marketers and developers to deliver fast, relevant website search experiences.”

Source: company website · checked Sep 7, 2026
17Indirect evidenceSeattle, WA, United StatesHQ checked Sep 7, 202651-200105 contacts →

“SEOmoz is the world’s most popular provider of SEO software.”

Source: company website · checked Sep 7, 2026
18Indirect evidenceEdina, MN, United StatesHQ checked Sep 7, 202651-200103 contacts →

“CAMP Digital is a technology-first digital marketing agency built exclusively for home service companies.”

Source: company website · checked Sep 7, 2026
19Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 7, 202651-200101 contacts →

“AirOps is the growth platform for AI search and AEO.”

Source: company website · checked Sep 7, 2026
20Strong evidenceUsa, United StatesHQ checked Sep 7, 202651-20091 contacts →

“Writesonic runs your marketing for the AI-search era.”

Source: company website · checked Sep 7, 2026
21Partial evidenceOrlando, FL, United StatesHQ checked Sep 7, 202651-20089 contacts →

“SeoProfy is your strategic SEO and AI visibility partner for organic and AI visibility that brings real ROI.”

Source: company website · checked Sep 7, 2026
22Indirect evidenceMiami, FL, United StatesHQ checked Sep 7, 202611-5088 contacts →

“With more than a decade of experience Paper Street Media can help you leverage manpower and increase your capacity for marketing and web design projects.”

Source: company website · checked Sep 7, 2026
23Strong evidenceBoston, MA, United StatesHQ checked Sep 7, 202651-20079 contacts →

“Fuel Online is the definitive global authority in Generative Engine Optimization (GEO) and high-performance search strategy.”

Source: company website · checked Sep 7, 2026
24Strong evidenceChicago, IL, United StatesHQ checked Sep 7, 202651-20069 contacts →

“seoClarity is an enterprise search intelligence platform that merges SEO and AI search optimization to keep global brands visible across a fragmented search landscape.”

Source: company website · checked Sep 7, 2026
25Partial evidenceSan Mateo, CA, United StatesHQ checked Sep 7, 202611-5068 contacts →

“We help businesses grow faster using AI-powered marketing strategies.”

Source: company website · checked Sep 7, 2026

Showing 25 of 1,309 AI search optimization platforms based in the United States

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AI search optimization platforms based in the United States at a glance

As of Sep 7, 2026
10.1%Verified-email coverage
9.3%Mobile-number coverage
39.4Average contacts per company
1-10Median size (employees)
6.7%Largest-city concentration · New York
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
878
11-50
332
51-200
70
201-500
19
501-1,000
4
1,001-5,000
2
10001+
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 AI search 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 “AI search 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 AI search 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 AI search 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, 5,206 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 7, 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.

AI search optimization platforms by metro

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 AI search 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 AI search optimization platforms are there based in the United States?

RevenueBase identified 1,309 AI search 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?

Semrush, headquartered in Boston, tops this list with the largest team on record.

Which city has the most AI search optimization platforms?

New York leads with 88 headquartered companies, followed by San Francisco (64) and Los Angeles (41).

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 5,206 verified decision-maker contacts tracked across these 1,309 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 7, 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.