AI Visibility Index: Biological Products, Vaccines & Culture Media in California

When a buyer asks an AI assistant for a biological products, vaccines & culture media supplier in California, these are the companies that get named. This is what we found when the cell was last measured.

101 companies tracked
Last measured September 24, 2026
Next measurement October 24, 2026

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The headline numbers

Never named by AI

90 of 101

companies never appeared in a single buying question

They were asked the same 5 buying questions as everyone else in this cell and were not named once.

11 named at least once
90 never named

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Cell average: 0.18of 15
Across all 101 tracked companies.
Top ten average: 4.6of 15
The ten most visible companies in the cell.

A company's score is how many of the 15 measured answers named it.

The top ten in California

These are the companies AI assistants named most often when California buyers went looking for a supplier in this category.

Top 10 most AI-visible Biological Products, Vaccines & Culture Media companies in California, measured September 24, 2026
Rank	Company	Location	AI visibility
1	Nucleus Biologics California	California	9 of 15 answers
2	Hardy Diagnostics California	California	6 of 15 answers
3	FUJIFILM Irvine Scientific 44 employeesSanta Ana, California 2 name variants FUJIFILM Irvine Scientificmost common4 FUJIFILM Irvine Scientific (FUJIFILM Biosciences)1	Santa Ana, California	5 of 15 answers
4	OPM Biosciences California	California	5 of 15 answers
5	Culture Media Concepts California	California	4 of 15 answers
6	Innovigen California 2 name variants Innovigenmost common3 Innovigen Inc.1	California	4 of 15 answers
7	VeV Scientific California	California	4 of 15 answers
8	Avid Bioservices California	California	3 of 15 answers
9	Biolog Inc 40 employeesHayward, California 3 name variants Biolog / Anaerobe Systems (Custom Media)most common1 Biolog / Anaerobe Systems1 Biolog1	Hayward, California	3 of 15 answers
10	Biological Media Services – UC Davis California	California	3 of 15 answers

40 more companies were named at least once. Companies outside the top ten are counted in the averages but not named here.

Also named, based in another state

AI assistants named these companies too, but MacRAE'S lists them in a different state, not California. They belong to that state's ranking, not this one.

Company	State	Mentions
GeminiBio	Iowa	7 of 15
Biologos	Illinois	1 of 15
Lab Pro Inc.	Florida	1 of 15

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The five questions we asked

Every company in this cell is measured on the same questions, written the way a buyer would type them. That is what makes the ranking a comparison rather than a collection of anecdotes.

1“Best biological products, vaccines and culture media companies in California”
2“Who supplies GMP-grade mammalian cell culture media in California”
3“I need a California supplier for clinical-trial scale vaccine lots, who should I talk to”
4“Top biological products, vaccines and culture media suppliers in California for biopharma procurement buyers”
5“Which California biological product manufacturers can handle custom sterile liquid culture media formulations”
6“List 20 biological products, vaccines and culture media companies in California with their specialties.”the roster question

Each question is asked more than once, which is why a company's score is out of 15 answers rather than out of the number of questions.

Where AI drew its answers from

These are the sources the answers in this cell leaned on most, ranked by how many of the named companies each one stands behind.

en.wikipedia.orgDirectory
13 companies
fujifilmbiosciences.fujifilm.com
3 companies
biolog.com
3 companies
thomasnet.comDirectory
3 companies
biotech.org
3 companies
califesciences.org
2 companies
culturemediaconcepts.com
2 companies
impactdiagnostic.com
2 companies
innovigen.com
2 companies
vmbms.vetmed.ucdavis.edu
2 companies
geminibio.com
1 company
avidbio.com
1 company

64 sources were cited across this cell's answers from 38 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

California in context

California is the only state measured in this category so far, so there is nothing to compare it with yet.

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