AI Visibility Index: Tanks & Pressure Vessels in Wisconsin

When a buyer asks an AI assistant for a tanks & pressure vessels supplier in Wisconsin, these are the companies that get named. This is what we found when the cell was last measured.

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

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The headline numbers

Never named by AI

97 of 110

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.

13 named at least once
97 never named

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Cell average: 0.53of 15
Across all 110 tracked companies.
Top ten average: 6.3of 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 Wisconsin

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

Top 10 most AI-visible Tanks & Pressure Vessels companies in Wisconsin, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Apache Stainless Equipment Corp. 165 employeesBeaver Dam, Wisconsin 3 name variants Apache Stainless Equipmentmost common7 Apache Stainless Equipment Corporation4 Apache Stainless Equipment Corp.1	Beaver Dam, Wisconsin	12 of 15 answers
2	Fourinox Inc 37 employeesGreen Bay, Wisconsin	Green Bay, Wisconsin	11 of 15 answers
3	USEMCO, Inc. Wisconsin 2 name variants USEMCO, Inc.most common5 USEMCO3	Wisconsin	8 of 15 answers
4	Samuel Pressure Vessel Group 25 employeesMarinette, Wisconsin 3 name variants Samuel Pressure Vessel Group – Marinettemost common5 Samuel Pressure Vessel Group – Marinette, WI1 Samuel Pressure Vessel Group1	Marinette, Wisconsin	7 of 15 answers
5	Ataco Steel Products Corporation 90 employeesCedarburg, Wisconsin	Cedarburg, Wisconsin	6 of 15 answers
6	Koss Industrial, Inc. 9 employeesGreen Bay, Wisconsin 2 name variants Koss Industrialmost common5 Koss Industrial, Inc.1	Green Bay, Wisconsin	6 of 15 answers
7	Membrane Process & Controls 15 employeesEdgar, Wisconsin 2 name variants Membrane Process & Controls (MP&C)most common3 Membrane Process & Controls, Inc. (MP&C)1	Edgar, Wisconsin	4 of 15 answers
8	Durr Universal, Inc. 120 employeesStoughton, Wisconsin	Stoughton, Wisconsin	3 of 15 answers
9	Bassett Mechanical Wisconsin	Wisconsin	3 of 15 answers
10	USEMCO / Northland Tank & Fab Wisconsin	Wisconsin	3 of 15 answers

20 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 Wisconsin. They belong to that state's ranking, not this one.

Company	State	Mentions
IPS Engineered Fabrications	Georgia	7 of 15
Team Industries	Michigan	6 of 15
Alloy Products Corp.	Texas	5 of 15
Aitken Manufacturing	Georgia	1 of 15
JBL International	California	1 of 15
Modern Equipment Co.	Puerto Rico	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 suppliers of tanks and pressure vessels in Wisconsin”
2“Who supplies ASME-certified stainless steel process pressure vessels in Wisconsin”
3“I need a Wisconsin tank and pressure vessel partner for a custom chemical processing line, who should I talk to”
4“Top tanks and pressure vessels suppliers in Wisconsin for chemical plant engineering buyers”
5“Which Wisconsin tank and pressure vessel fabricators can handle large-diameter, high-pressure reactor vessels”
6“List 20 tanks and pressure vessels companies in Wisconsin 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.

thomasnet.comDirectory
7 companies
usemco.com
4 companies
ipstanks.com
4 companies
spvgstocktanks.com
4 companies
docs.apachestainless.com
3 companies
kossindustrial.com
3 companies
apachestainless.com
2 companies
membranepc.com
2 companies
teamind.com
2 companies
bassettmechanical.com
1 company
fourinox.com
1 company
aitkenmfg.com
1 company

43 sources were cited across this cell's answers from 30 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Wisconsin in context

Wisconsin ranks 8th of 17 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 10%.

Wisconsin (this report)Other measured statesCategory average (10%)

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