Company lists · Data refreshed September 2026
Top 9 Retargeting platforms based in San Diego, United States
RevenueBase identified 28 retargeting platforms headquartered in San Diego, United States as of September 2026 and tracks 379 professional contacts across them, including 65 with verified work emails. New York is the largest hub.
This list covers retargeting platforms headquartered in San Diego, 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 6, 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 9 largest retargeting platforms based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 39 | ||||
“Chalk Digital is an innovative ad tech company, who is disrupting the way businesses can take advantage of mobile advertising to promote their brand, products, services and events.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 36 | ||||
“Katalys is a Commerce Media Platform that lives at the intersection of performance marketing, technology, content, and commerce.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | London Bridge Performance MediaIndirect evidence | 10 | |||
“London Bridge Media is a privately held, performance driven online marketing company.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | 6 | ||||
“People evolve.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Scale Your MarketingIndirect evidence | 6 | |||
“Deliver exclusive leads at scale with nationwide video ad campaigns.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 6 | ||||
“Over the past 3 years we have developed a High Performing Network of Compliant Publishers and Advertisers that mutually benefit from each other's abilities.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 3 | ||||
“Our marketing team has experience across a variety of industries including healthcare, travel, retail, education, and much more.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | impactengine.comPartial evidence | 2 | |||
“ImpactEngine.com is the leading Multi-Screen, Rich Media Ad Platform for Local Media Companies.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | OptimaticIndirect evidence | 2 | |||
“Optimatic provides top tier, white glove programmatic media campaigns.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
Showing 9 of 28 retargeting platforms based in San Diego, United States
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Retargeting platforms based in San Diego, United States at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 28 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 retargeting platforms, 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 San Diego, United States whose own description of what they do matches “retargeting platforms”. 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 retargeting platforms, and records with no verified work email. Companies headquartered outside San Diego 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, 65 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 6, 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.
Retargeting platforms by metro in the United States
- Retargeting platforms in New York329
- Retargeting platforms in San Francisco141
- Retargeting platforms in Los Angeles87
- Retargeting platforms in Miami74
- Retargeting platforms in Austin52
- Retargeting platforms in Chicago46
- Retargeting platforms in Las Vegas42
- Retargeting platforms in Sheridan39
- Retargeting platforms in Wilmington38
- Retargeting platforms in Boston31
- Retargeting platforms in Denver28
- Retargeting platforms in San Diego28
Frequently asked
How many retargeting platforms are there based in San Diego, United States?
RevenueBase identified 28 retargeting platforms headquartered in San Diego, 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?
Chalk Digital, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most retargeting platforms?
New York leads with 329 headquartered companies, followed by San Francisco (141) and Los Angeles (87).
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 65 verified decision-maker contacts tracked across these 28 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 6, 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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