Company lists · Data refreshed September 2026
Top 18 Cancer drug development companies based in South San Francisco, United States
RevenueBase identified 25 company matches for cancer drug development companies associated with South San Francisco, United States as of September 2026 and tracks 1,719 professional contacts across them, including 882 with verified work emails. Across the United States, San Diego is the largest hub for this category (78 companies); South San Francisco has 25.
This list covers company matches for cancer drug development companies associated with South San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 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 18 largest cancer drug development companies based in South San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 291 contacts → | ||||
Exact match “Rigel Pharmaceuticals, Inc, is a biotechnology company dedicated to discovering, developing and providing novel small molecule drugs that significantly improve the lives of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 282 contacts → | ||||
Exact match “Sutro Biopharma, Inc, is relentlessly focused on the discovery and development of precisely designed cancer therapeutics to transform what science can do for patients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 224 contacts → | ||||
Exact match “IDEAYA is an oncology-focused precision medicine company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 223 contacts → | ||||
Exact match “Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 123 contacts → | ||||
Exact match “ORIC Pharmaceuticals is a clinical stage biopharmaceutical company dedicated to improving patients’ lives by Overcoming Resistance In Cancer.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 100 contacts → | ||||
Exact match “CytomX Therapeutics, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 75 contacts → | ||||
Exact match “Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 58 contacts → | ||||
Exact match “ALX Oncology (Nasdaq: ALXO) is a clinical-stage biotechnology company advancing therapies that boost the immune system to treat cancer and extend patients’ lives.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 32 contacts → | ||||
Exact match “3T is an immunotherapy company developing next-generation, transformative therapies for the treatment of solid tumors and other immune-mediated diseases in broad patient…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 28 contacts → | ||||
Exact match “Calithera Biosciences is a clinical-stage biopharmaceutical company pioneering the discovery and development of targeted therapies that disrupt cellular metabolic pathways to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 26 contacts → | ||||
Exact match “Convergent Genomics is a precision medicine company that combines advances in genomics and machine learning to detect cancer early and non-invasively.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 20 contacts → | ||||
Exact match “At PACT Pharma, our vision is to create potentially curative T cell therapies for solid cancers that are tailored for each and every patient.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 18 contacts → | ||||
Exact match “At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “At CERo, we are expanding the armamentarium of engineered cell therapies to create a whole new class of innovative medicines for oncology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Leapfrog Bio is a clinical-stage precision oncology company accelerating cancer drug development by identifying clinical-stage molecules that can be retargeted as directed…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Synlico is a patient-native causal AI biotech building a generative causal discovery and inference platform SynCausal(TM) that learns directed gene causal graphs from primary…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “PrimeVax Immuno-Oncology, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cancer drug development companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 18 of 25 cancer drug development companies based in South San Francisco, United States
See the full list, filter by size, metro and specialty, and access 882 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cancer drug development companies based in South San Francisco, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 25 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with South San Francisco, United States whose business descriptions match “cancer drug development companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 882 professional contacts with verified work emails across the full matched dataset. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Cancer drug development companies by metro in the United States
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cancer drug development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cancer drug development companies are there based in South San Francisco, United States?
RevenueBase identified 25 company matches for cancer drug development companies associated with South San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Rigel Pharmaceuticals INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most cancer drug development companies?
San Diego leads the United States with 78 company records, followed by New York (64) and Cambridge (59). South San Francisco has 25.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 882 professional contacts with verified work emails tracked across these 25 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 25 cancer drug development companies based in South San Francisco, United States. Start with a free account, no credit card.
Download this list →Related lists
Cancer drug development companies by geography
- Cancer drug development companies based in Boston, United States
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- Cancer drug development companies based in New York, United States
- Cancer drug development companies based in San Diego, United States
- Cancer drug development companies based in Australia
- Cancer drug development companies based in Canada
- Cancer drug development companies based in China
- Cancer drug development companies based in France
- Cancer drug development companies based in Germany
- Cancer drug development companies based in India
- Cancer drug development companies based in Israel
- Cancer drug development companies based in Italy
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.
More company lists
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- Lists A-Z
- New lists
- Cancer drug development companies based in Boston, United States
- Cancer drug development companies based in Cambridge, United States
- Cancer drug development companies based in New York, United States
- Cancer drug development companies based in San Diego, United States
- Cancer drug development companies based in Australia
- Cancer drug development companies based in Canada
Company intelligence · public preview
Top 18 cancer drug development companies based in South San Francisco, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 25 matching company records for cancer drug development companies based in South San Francisco, United States, with 1,719 tracked contacts and 882 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 cancer drug development companies based in South San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Rigel Pharmaceuticals INCrigel.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 291 contacts → |
“Rigel Pharmaceuticals, Inc, is a biotechnology company dedicated to discovering, developing and providing novel small molecule drugs that significantly improve the lives of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Sutro Biopharma, INCsutrobio.comHQ: South San Francisco, CA, United StatesReported employees: 201-500 | South San Francisco, CA, United States | 201-500 | Exact match | 282 contacts → |
“Sutro Biopharma, Inc, is relentlessly focused on the discovery and development of precisely designed cancer therapeutics to transform what science can do for patients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ideaya Biosciencesideayabio.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 224 contacts → |
“IDEAYA is an oncology-focused precision medicine company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 223 contacts → |
“Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Oric Pharmaceuticals INCoricpharma.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 123 contacts → |
“ORIC Pharmaceuticals is a clinical stage biopharmaceutical company dedicated to improving patients’ lives by Overcoming Resistance In Cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cytomx Therapeuticscytomx.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 100 contacts → |
“CytomX Therapeutics, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Circle Pharma, INCcirclepharma.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 75 contacts → |
“Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ALX Oncologyalxoncology.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 58 contacts → |
“ALX Oncology (Nasdaq: ALXO) is a clinical-stage biotechnology company advancing therapies that boost the immune system to treat cancer and extend patients’ lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  3t Biosciences3tbiosciences.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 32 contacts → |
“3T is an immunotherapy company developing next-generation, transformative therapies for the treatment of solid tumors and other immune-mediated diseases in broad patient…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Calithera Biosciencescalithera.comHQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 28 contacts → |
“Calithera Biosciences is a clinical-stage biopharmaceutical company pioneering the discovery and development of targeted therapies that disrupt cellular metabolic pathways to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Convergent Genomicsconvergentgenomics.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 26 contacts → |
“Convergent Genomics is a precision medicine company that combines advances in genomics and machine learning to detect cancer early and non-invasively.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Pact Pharmapactpharma.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 20 contacts → |
“At PACT Pharma, our vision is to create potentially curative T cell therapies for solid cancers that are tailored for each and every patient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Apertor Pharmaceuticalsapertorpharma.comHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 18 contacts → |
“At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cero Therapeutics, INCcero.bioHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“At CERo, we are expanding the armamentarium of engineered cell therapies to create a whole new class of innovative medicines for oncology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Leapfrog BIOleapfrog.bio HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“Leapfrog Bio is a clinical-stage precision oncology company accelerating cancer drug development by identifying clinical-stage molecules that can be retargeted as directed…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Qlsf Biotherapeutics, INCqlsfbio.comHQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 12 contacts → |
“QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Synlico INCsynlico.comHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 9 contacts → |
“Synlico is a patient-native causal AI biotech building a generative causal discovery and inference platform SynCausal(TM) that learns directed gene causal graphs from primary…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Primevax Immuno-Oncologyprimevax.comHQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“PrimeVax Immuno-Oncology, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 25 company matches
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Cancer drug development companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
25 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 25 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cancer drug development companies by metro in the United States
Questions about this company list
What does Exact match mean for cancer drug development companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cancer drug development companies did RevenueBase find based in South San Francisco, United States?
The saved snapshot records 25 matching company records, 1,719 tracked contacts and 882 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cancer drug development companies by geography
- Cancer drug development companies based in Boston, United States
- Cancer drug development companies based in Cambridge, United States
- Cancer drug development companies based in New York, United States
- Cancer drug development companies based in San Diego, United States
- Cancer drug development companies based in Australia
- Cancer drug development companies based in Canada
- Cancer drug development companies based in China
- Cancer drug development companies based in France
- Cancer drug development companies based in Germany
- Cancer drug development companies based in India
- Cancer drug development companies based in Israel
- Cancer drug development companies based in Italy
Cite this list
RevenueBase Data Team. Top 18 cancer drug development companies based in South San Francisco, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/cancer-drug-development-companies/united-states/south-san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cancer drug development companies based in Boston, United States
- Cancer drug development companies based in Cambridge, United States
- Cancer drug development companies based in New York, United States
- Cancer drug development companies based in San Diego, United States
- Cancer drug development companies based in Australia
- Cancer drug development companies based in Canada
Company intelligence · public preview
Top 18 cancer drug development companies based in South San Francisco, United States
RevenueBase records 25 matching company records for cancer drug development companies based in South San Francisco, United States, with 1,719 tracked contacts and 882 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 cancer drug development companies based in South San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Rigel Pharmaceuticals INCrigel.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 291 contacts → |
“Rigel Pharmaceuticals, Inc, is a biotechnology company dedicated to discovering, developing and providing novel small molecule drugs that significantly improve the lives of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sutro Biopharma, INCsutrobio.com HQ: South San Francisco, CA, United StatesReported employees: 201-500 | South San Francisco, CA, United States | 201-500 | Exact match | 282 contacts → |
“Sutro Biopharma, Inc, is relentlessly focused on the discovery and development of precisely designed cancer therapeutics to transform what science can do for patients.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ideaya Biosciencesideayabio.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 224 contacts → |
“IDEAYA is an oncology-focused precision medicine company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: South San Francisco, CA, United StatesReported employees: 501-1,000 | South San Francisco, CA, United States | 501-1,000 | Exact match | 223 contacts → |
“Formerly based in South San Francisco, California, Onyx Pharmaceuticals was engaged in the development and commercialization of innovative therapies for improving the lives of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Oric Pharmaceuticals INCoricpharma.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 123 contacts → |
“ORIC Pharmaceuticals is a clinical stage biopharmaceutical company dedicated to improving patients’ lives by Overcoming Resistance In Cancer.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cytomx Therapeuticscytomx.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 100 contacts → |
“CytomX Therapeutics, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Circle Pharma, INCcirclepharma.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 75 contacts → |
“Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ALX Oncologyalxoncology.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 58 contacts → |
“ALX Oncology (Nasdaq: ALXO) is a clinical-stage biotechnology company advancing therapies that boost the immune system to treat cancer and extend patients’ lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 3t Biosciences3tbiosciences.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 32 contacts → |
“3T is an immunotherapy company developing next-generation, transformative therapies for the treatment of solid tumors and other immune-mediated diseases in broad patient…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Calithera Biosciencescalithera.com HQ: South San Francisco, CA, United StatesReported employees: 51-200 | South San Francisco, CA, United States | 51-200 | Exact match | 28 contacts → |
“Calithera Biosciences is a clinical-stage biopharmaceutical company pioneering the discovery and development of targeted therapies that disrupt cellular metabolic pathways to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Convergent Genomicsconvergentgenomics.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 26 contacts → |
“Convergent Genomics is a precision medicine company that combines advances in genomics and machine learning to detect cancer early and non-invasively.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pact Pharmapactpharma.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 20 contacts → |
“At PACT Pharma, our vision is to create potentially curative T cell therapies for solid cancers that are tailored for each and every patient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Apertor Pharmaceuticalsapertorpharma.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 18 contacts → |
“At Apertor we have developed a new class of therapeutics to address one of the toughest challenges in drug discovery, selective disruption of disease-causing protein-protein…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cero Therapeutics, INCcero.bio HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“At CERo, we are expanding the armamentarium of engineered cell therapies to create a whole new class of innovative medicines for oncology.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Leapfrog BIOleapfrog.bio HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“Leapfrog Bio is a clinical-stage precision oncology company accelerating cancer drug development by identifying clinical-stage molecules that can be retargeted as directed…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Qlsf Biotherapeutics, INCqlsfbio.com HQ: South San Francisco, CA, United StatesReported employees: 11-50 | South San Francisco, CA, United States | 11-50 | Exact match | 12 contacts → |
“QLSF Biotherapeutics is an innovative immuno-oncology biotech startup in South San Francisco.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Synlico INCsynlico.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 9 contacts → |
“Synlico is a patient-native causal AI biotech building a generative causal discovery and inference platform SynCausal(TM) that learns directed gene causal graphs from primary…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Primevax Immuno-Oncologyprimevax.com HQ: South San Francisco, CA, United StatesReported employees: 1-10 | South San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“PrimeVax Immuno-Oncology, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 25 company matches
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Cancer drug development companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
25 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for South San Francisco, so it is reported there. Company counts and contact totals on this page are exact for South San Francisco, over 25 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cancer drug development companies by metro in the United States
Questions about this company list
What does Exact match mean for cancer drug development companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cancer drug development companies did RevenueBase find based in South San Francisco, United States?
The saved snapshot records 25 matching company records, 1,719 tracked contacts and 882 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cancer drug development companies by geography
- Cancer drug development companies based in Boston, United States
- Cancer drug development companies based in Cambridge, United States
- Cancer drug development companies based in New York, United States
- Cancer drug development companies based in San Diego, United States
- Cancer drug development companies based in Australia
- Cancer drug development companies based in Canada
- Cancer drug development companies based in China
- Cancer drug development companies based in France
- Cancer drug development companies based in Germany
- Cancer drug development companies based in India
- Cancer drug development companies based in Israel
- Cancer drug development companies based in Italy
Cite this list
RevenueBase Data Team. Top 18 cancer drug development companies based in South San Francisco, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/cancer-drug-development-companies/united-states/south-san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Cancer drug development companies based in Boston, United States
- Cancer drug development companies based in Cambridge, United States
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