Company lists · Data refreshed September 2026
Top 25 Lead companies based in San Diego, United States
RevenueBase identified 92 lead companies headquartered in San Diego, United States as of September 2026 and tracks 659 professional contacts across them, including 157 with verified work emails. New York is the largest hub.
This list covers lead companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 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.
The 25 largest lead companies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 69 contacts → | ||||
Strong evidence “ABOUT NEXTGEN LEADS Based in San Diego, California, NextGen Leads is a unique collaborative effort between online marketing experts, technology pros and insurance industry…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 42 contacts → | ||||
Indirect evidence “InsideUp is a performance-driven demand generation agency with over 14 years of experience in B2B marketing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 39 contacts → | ||||
Strong evidence “A Creative Lead Generation Company Allied Digital Media helps businesses become more efficient by delivering warmed-up and qualified leads directly to them.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 29 contacts → | ||||
Strong evidence “Welcome to Connect Outbound, your trusted partner in outbound lead generation and talent acquisition solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 27 contacts → | ||||
Strong evidence “At ETN, we dedicate ourselves to matching prospects with relevant businesses via real-time leads and call transfers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 25 contacts → | ||||
Indirect evidence “At VSSL (pronounced, “Vessel”), we don’t aimlessly drift the seas of modern marketing and advertising.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 24 contacts → | ||||
Indirect evidence “Your partner in generating new business, building brand awareness, and creating engaging digital campaigns.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 15 contacts → | ||||
Strong evidence “RevRise Media is a tech-enabled marketing company that specializes in helping insurance brands acquire high-intent leads at scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Strong evidence “Agentology is a real estate lead qualification service that connects agents with the right buyers and sellers across the U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “PhonetiCall (pho·neti·call) is a marketing organization helping businesses develop and execute contact solution strategies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Strong evidence “SweepLift helps B2B companies launch smart incentivized lead campaigns that generate qualified meetings, improve engagement, and accelerate pipeline growth.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Indirect evidence “KEXY is an AI-powered, done-for-you sales and marketing growth partner built for companies that want more pipeline, stronger brand authority, and faster revenue growth without…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “Rightlook Creative specializes in making the complex marketing process easy with affordable and all-inclusive ROI focused marketing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “Grow Your Business with 100% Performance Based Appointment Setting!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Strong evidence “Lead generation services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “We Help SMBs & B2B Companies Grow By Using Buying-Intent Data & AI To Increase Meetings Booked With Qualified Prospects By 300%.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “We increase sales for companies in the manufacturing industry using advanced demand generation techniques and database growth and management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Would you rather.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “Counterflow is a full service San Diego based marketing firm with a primary focus on leveraging their client's core competencies to identify and create additional revenue streams…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “InboxGenius is a leading provider of outsourced cold email campaign management services, specifically catering to B2B clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “A lead aggregator and provider of nationwide new business information databases and marketing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Strong evidence “Discover the proven digital marketing approach that generates more leads and opportunities to grow your business?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Strong evidence “Pixsan is a data and results driven digital marketing solutions company specializing in helping businesses and companies drive more traffic, leads, and conversions to their…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Strong evidence “We provide expert digital marketing and website design/development, lead generation, managed advertisement solutions, and branding, for businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: lead companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names lead companies.
- Partial evidence
- Its own public description names part of lead companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name lead companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 92 lead companies based in San Diego, United States
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Lead companies based in San Diego, United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 92 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 lead companies, 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 San Diego, United States whose own description of what they do matches “lead companies”. 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 lead companies), 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 lead companies, 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 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, 157 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 21, 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.
Lead companies by metro in the United States
- Lead companies in New York257
- Lead companies in Miami146
- Lead companies in Los Angeles138
- Lead companies in San Francisco124
- Lead companies in Austin118
- Lead companies in Sheridan114
- Lead companies in Houston110
- Lead companies in Dallas104
- Lead companies in Chicago97
- Lead companies in San Diego92
- Lead companies in Atlanta88
- Lead companies in Las Vegas79
- Lead companies in Denver73
- Lead companies in Orlando67
- Lead companies in Phoenix62
- Lead companies in Tampa56
- Lead companies in Boston54
- Lead companies in Wilmington53
- Lead companies in Charlotte50
- Lead companies in Boca Raton46
- Lead companies in Scottsdale43
- Lead companies in Dover40
- Lead companies in Seattle40
- Lead companies in Fort Lauderdale37
- Lead companies in Philadelphia37
- Lead companies in Portland37
- Lead companies in Salt Lake City37
- Lead companies in Cheyenne31
- Lead companies in Nashville31
- Lead companies in San Antonio30
- Lead companies in Pittsburgh29
- Lead companies in Plano28
- Lead companies in San Jose28
- Lead companies in Washington28
- Lead companies in Columbus26
- Lead companies in Irvine26
- Lead companies in New York City26
- Lead companies in Raleigh25
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 lead companies, 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 lead companies are there based in San Diego, United States?
RevenueBase identified 92 lead companies 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?
Nextgen Leads, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most lead companies?
New York leads with 257 headquartered companies, followed by Miami (146) and Los Angeles (138).
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 157 verified decision-maker contacts tracked across these 92 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 21, 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.
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