AI Visibility Index · Cell report

Measured

AI Visibility Index: Electrical Equipment Distributors in California

When a buyer asks an AI assistant for a electrical equipment distributors supplier in California, these are the companies that get named. This is what we found when the cell was last measured.

459 companies tracked
Last measured September 30, 2026
Next measurement October 30, 2026

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The headline numbers

Never named by AI

434 of 459

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.

25 named at least once
434 never named

Not sure whether you are one of them?Check your domain

Cell average: 0.13of 15
Across all 459 tracked companies.
Top ten average: 3.8of 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 Electrical Equipment Distributors companies in California, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Alameda Electrical Distributors 35 employeesSan Francisco, California 2 name variants Alameda Electrical Distributorsmost common5 Alameda Electrical Distributors (AED)2	San Francisco, California	7 of 15 answers
2	Rexel 250 employeesOakland, California	Oakland, California	5 of 15 answers
3	Electrical Power and Controls Inc (EPC) 24 employeesLong Beach, California	Long Beach, California	4 of 15 answers
4	Graybar Electric Co 80 employeesSan Diego, California	San Diego, California	4 of 15 answers
5	American Electric Supply Inc 5 employeesCorona, California 2 name variants American Electric Supply Inc.most common2 American Electric Supply1	Corona, California	3 of 15 answers
6	Bay Power San Jose 15 employeesSan Jose, California	San Jose, California	3 of 15 answers
7	D & F Liquidators Inc 22 employeesHayward, California	Hayward, California	3 of 15 answers
8	ESL Power Systems, Inc. 40 employeesCorona, California	Corona, California	3 of 15 answers
9	Graybar 5 employeesVan Nuys, California	Van Nuys, California	3 of 15 answers
10	Main Electric Supply Co 35 employeesSanta Ana, California · 2 locations 2 name variants Main Electric Supplymost common2 Main Electric Supply Co.1	Santa Ana, California2 locations	3 of 15 answers

43 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
Bell Electrical Supply	New York	2 of 15
Industrial Electrical Company	West Virginia	2 of 15
CED – Consolidated Electrical Distributors (e.g., CED Riverside)	Georgia	1 of 15
Electrical Distribution & Control (EDC Electrical)	Illinois	1 of 15
Gexpro	Georgia	1 of 15

Named, but placed in another state

The AI answers themselves put these companies in a different state, so they were not counted for California. Whether MacRAE'S lists them elsewhere is not yet known.

Company	State	Mentions
Consolidated Electrical Distributors (CED)	Texas	8 of 15

One of these yours?

A complete Blue Book listing is one of the sources assistants read in this category. Confirming your details is free.

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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 electrical equipment distributors in California”
2“Who supplies industrial switchgear and control panels in California”
3“I need a California electrical equipment distributor to support a multi-site manufacturing plant upgrade, who should I talk to”
4“Top electrical equipment distributors in California for industrial maintenance buyers”
5“Which California electrical equipment distributors can provide same-day delivery and technical support for motor control centers”
6“List 20 electrical equipment distributors 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
7 companies
img.ewweb.com
5 companies
hammfg.com
4 companies
reddit.comDirectory
3 companies
bolt-star.com
3 companies
edc-electrical.com
3 companies
cedbak.com
2 companies
cedriverside.com
2 companies
energystar.gov
2 companies
img.electricalmarketing.com
2 companies
mag-trol.com
2 companies
marketing.czq5rt4-graybarel1-s1-public.model-t.cc.commerce.ondemand.com
2 companies

69 sources were cited across this cell's answers from 60 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

California in context

California ranks 24th of 24 measured states in this category. Each bar is the share of that state's tracked companies that AI assistants named at least once; across every measured state in this category the share is 13%.

California (this report)Other measured statesCategory average (13%)

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