AI Visibility Index: Aluminum Fabrication in Michigan

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

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

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The headline numbers

Never named by AI

105 of 127

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.

22 named at least once
105 never named

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Cell average: 0.39of 15
Across all 127 tracked companies.
Top ten average: 4.9of 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 Michigan

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

Top 10 most AI-visible Aluminum Fabrication companies in Michigan, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Total Source Manufacturing 16 employeesJackson, Michigan 2 name variants Total Source Manufacturingmost common11 Total Source Manufacturing (TSM)1	Jackson, Michigan	12 of 15 answers
2	Fab Masters Co Inc 110 employeesMarcellus, Michigan 2 name variants Fab Masters Company, Inc.most common8 Fab Masters Company1	Marcellus, Michigan	9 of 15 answers
3	Aluminum Supply Co Inc 25 employeesDetroit, Michigan	Detroit, Michigan	6 of 15 answers
4	Bowers Aluminum Company Michigan 2 name variants Bowers Aluminum Companymost common3 Bowers Aluminum2	Michigan	5 of 15 answers
5	Carpatians Manufacturing Michigan	Michigan	4 of 15 answers
6	Sintel Inc 102 employeesSpring Lake, Michigan	Spring Lake, Michigan	3 of 15 answers
7	McCarty Fabrication Michigan	Michigan	3 of 15 answers
8	Pro Metal Craft Michigan	Michigan	3 of 15 answers
9	Lahti Fabrication Inc 14 employeesAlger, Michigan	Alger, Michigan	2 of 15 answers
10	Professional Metal Works 30 employeesLansing, Michigan 2 name variants Professional Metal Works (PMW)most common1 Professional Metal Works1	Lansing, Michigan	2 of 15 answers

37 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 Michigan. They belong to that state's ranking, not this one.

Company	State	Mentions
Ridgefield Company	Ohio	4 of 15
R&B Metal Fab	Massachusetts	3 of 15
TrueFab Manufacturing (TFM)	Missouri	2 of 15
Automation Technology Inc. (ATI)	Ohio	1 of 15
International Manufacturing & Assembly (IMA)	Virginia	1 of 15
OneMonroe (Monroe Engineering)	Indiana	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 aluminum fabrication companies in Michigan”
2“Who supplies custom fabricated aluminum frames in Michigan”
3“I need a Michigan aluminum fabrication partner for a 5,000-unit enclosure project, who should I talk to”
4“Top aluminum fabrication suppliers in Michigan for industrial equipment buyers”
5“Which Michigan aluminum fabricators can handle TIG welding and CNC machining of complex assemblies”
6“List 20 aluminum fabrication companies in Michigan 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.

totalsourcemfg.com
3 companies
carpatiansmfg.com
2 companies
fabmasters.net
2 companies
motorcitymetalfab.com
2 companies
bowersaluminum.com
2 companies
micutt.com
2 companies
prometalworks.com
2 companies
airmetalcorp.com
1 company
aluminumsupply.com
1 company
anchorbayfab.com
1 company
aodmfg.com
1 company
automationtechnologyinc.com
1 company

58 sources were cited across this cell's answers from 53 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Michigan in context

Michigan ranks 8th of 10 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 21%.

Michigan (this report)Other measured statesCategory average (21%)

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