AI Visibility Index · Cell report

Measured

AI Visibility Index: Pipe & Tube Fittings in Pennsylvania

When a buyer asks an AI assistant for a pipe & tube fittings supplier in Pennsylvania, these are the companies that get named. This is what we found when the cell was last measured.

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

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The headline numbers

Never named by AI

120 of 149

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.

29 named at least once
120 never named

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

Cell average: 0.43of 15
Across all 149 tracked companies.
Top ten average: 4.2of 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 Pennsylvania

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

Top 10 most AI-visible Pipe & Tube Fittings companies in Pennsylvania, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Interstate Pipe & Supply Company 10 employeesButler, Pennsylvania · 2 locations 2 name variants Interstate Pipe & Supply Companymost common3 Interstate Pipe & Supply3	Butler, Pennsylvania2 locations	6 of 15 answers
2	IVRI Inc 41 employeesYork, Pennsylvania 4 name variants IVRImost common3 Industrial Valve & Resource (IVRI)1 Industrial Valve & Repair (IVRI)1 IVRI (Industrial Valco/IVR)1	York, Pennsylvania	6 of 15 answers
3	U.S. Metals – Pennsylvania Branch Pennsylvania	Pennsylvania	6 of 15 answers
4	Yeager Supply Inc 68 employeesReading, Pennsylvania	Reading, Pennsylvania	5 of 15 answers
5	Pennsylvania Machine Works Inc 320 employeesAston, Pennsylvania 2 name variants Penn Machine (Pennsylvania Machine Works)most common2 Pennsylvania Machine Works (Penn Machine)2	Aston, Pennsylvania	4 of 15 answers
6	Allegheny Pipe & Supply Co 28 employeesCoraopolis, Pennsylvania 2 name variants Allegheny Pipe & Supplymost common2 Allegheny Pipe & Supply Company1	Coraopolis, Pennsylvania	3 of 15 answers
7	Decker Steel & Supply, Inc 7 employeesErie, Pennsylvania	Erie, Pennsylvania	3 of 15 answers
8	Montour Industrial Supply 47 employeesCoraopolis, Pennsylvania	Coraopolis, Pennsylvania	3 of 15 answers
9	P.A. Inc. Pennsylvania	Pennsylvania	3 of 15 answers
10	WM Betz Pennsylvania 2 name variants WM Betz (Betz Plumbing & Heating Supply)most common2 WM Betz1	Pennsylvania	3 of 15 answers

44 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 Pennsylvania. They belong to that state's ranking, not this one.

Company	State	Mentions
Dixon Valve & Coupling Company	Louisiana	1 of 15
F&H Food Equipment	Missouri	1 of 15
F.W. Webb – PVF	Maine	1 of 15
Ferguson Industrial – Pittsburgh Ship Hub	Washington	1 of 15
Stainless Products, LLC	Wisconsin	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 Pennsylvania. Whether MacRAE'S lists them elsewhere is not yet known.

Company	State	Mentions
Sanitary Solutions, Inc.	South Carolina	2 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 suppliers of pipe and tube fittings in Pennsylvania”
2“Who supplies stainless steel sanitary tri-clamp fittings in Pennsylvania”
3“I need a Pennsylvania pipe and tube fittings partner for a high-pressure chemical process line installation, who should I talk to”
4“Top pipe and tube fittings suppliers in Pennsylvania for industrial maintenance buyers”
5“Which Pennsylvania pipe and tube fittings distributors can handle large-diameter, high-pressure alloy specifications”
6“List 20 pipe and tube fittings companies in Pennsylvania 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.

go-ivri.com
6 companies
en.wikipedia.orgDirectory
4 companies
pennusa.com
3 companies
fwwebb.com
3 companies
aprresources.com
2 companies
alleghenypipe.com
2 companies
autoclavefittings.com
2 companies
caposupply.com
2 companies
interstatepipe.com
2 companies
usmetals.com
2 companies
wmbetz.com
2 companies
yeagersupply.com
1 company

60 sources were cited across this cell's answers from 51 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Pennsylvania in context

Pennsylvania ranks 6th of 15 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 14%.

Pennsylvania (this report)Other measured statesCategory average (14%)

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