AI Visibility Index: Metal Finishing Services in Illinois

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

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

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The headline numbers

Never named by AI

292 of 315

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.

23 named at least once
292 never named

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Cell average: 0.18of 15
Across all 315 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 Illinois

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

Top 10 most AI-visible Metal Finishing Services companies in Illinois, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Ace Anodizing & Impregnating Inc. 60 employeesHillside, Illinois 3 name variants Ace Anodizing & Impregnating Inc.most common4 Ace Metal Finishing / Ace Anodizing & Impregnating1 Ace Anodizing & Impregnating1	Hillside, Illinois	6 of 15 answers
2	Chicago Anodizing Company 23 employeesChicago, Illinois	Chicago, Illinois	6 of 15 answers
3	S&B Finishing Co., Inc. 80 employeesChicago, Illinois 2 name variants S&B Finishing – Powder Coat Chicagomost common5 S&B Finishing1	Chicago, Illinois	6 of 15 answers
4	Sub Source Inc 40 employeesRockford, Illinois	Rockford, Illinois	5 of 15 answers
5	The Armoloy Corporation Illinois	Illinois	5 of 15 answers
6	Electro-Max Inc 22 employeesHampshire, Illinois	Hampshire, Illinois	4 of 15 answers
7	SWD Inc 100 employeesAddison, Illinois	Addison, Illinois	4 of 15 answers
8	Expert Metal Finishing, Inc. Illinois	Illinois	4 of 15 answers
9	Able Electropolishing 100 employeesChicago, Illinois 2 name variants Able Electropolishingmost common2 Able Electropolishing Company, Inc.1	Chicago, Illinois	3 of 15 answers
10	Industrial Finishing Services Inc 24 employeesQuincy, Illinois 2 name variants Industrial Finishing Services (IFS)most common2 Industrial Finishing Services1	Quincy, Illinois	3 of 15 answers

31 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 Illinois. They belong to that state's ranking, not this one.

Company	State	Mentions
Budding Polishing & Metal Finishing	Arizona	2 of 15
MIL Inc.	Maryland	2 of 15
Precision Plating Company	Pennsylvania	2 of 15
Cemcoat, Inc.	California	1 of 15
Chemical Processing, Inc. (CPI)	Pennsylvania	1 of 15
HFI / HFI Fluid Power Products	Wisconsin	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 metal finishing services companies in Illinois”
2“Who supplies precision metal finishing for small stainless steel components in Illinois”
3“I need a Illinois metal finishing partner for a 10,000 piece medical device housing run, who should I talk to”
4“Top metal finishing services suppliers in Illinois for industrial OEM buyers”
5“Which Illinois metal finishing service providers can handle high-volume automated line finishing with tight cosmetic requirements”
6“List 20 metal finishing services companies in Illinois 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.

milinc.com
4 companies
chemprocessing.com
2 companies
acemetalfinishing.com
2 companies
hfimfg.com
2 companies
illinoisplating.com
2 companies
powdercoatchicago.com
2 companies
thomasnet.comDirectory
2 companies
industrialfinishing.com
2 companies
subsourceinc.com
2 companies
surfacefinishes.com
2 companies
chicagoanodizing.com
1 company
electromax-inc.com
1 company

65 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.

Illinois in context

Illinois ranks 24th of 27 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 11%.

Illinois (this report)Other measured statesCategory average (11%)

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