AI Visibility Index: Injection Molded Plastics in Michigan

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

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

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The headline numbers

Never named by AI

480 of 517

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.

37 named at least once
480 never named

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Cell average: 0.19of 15
Across all 517 tracked companies.
Top ten average: 5.7of 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 Injection Molded Plastics companies in Michigan, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Xcentric Mold and Engineering 16 employeesShelby Twp, Michigan	Shelby Twp, Michigan	10 of 15 answers
2	EFI Custom Injection Molding Michigan	Michigan	9 of 15 answers
3	Universal Products Inc. 61 employeesRockford, Michigan 2 name variants Universal Products, Inc.most common5 Universal Products1	Rockford, Michigan	6 of 15 answers
4	A & D Plastics, Inc. 20 employeesPlymouth, Michigan 2 name variants A & D Plasticsmost common4 A & D Plastics, Inc.1	Plymouth, Michigan	5 of 15 answers
5	Ironwood Plastics Inc. 155 employeesIronwood, Michigan 2 name variants Ironwood Plasticsmost common4 Ironwood Plastics – Michigan Plant1	Ironwood, Michigan	5 of 15 answers
6	Primera Plastics Inc 100 employeesZeeland, Michigan 2 name variants Primera Plasticsmost common4 Primera Plastics, Inc.1	Zeeland, Michigan	5 of 15 answers
7	SR Injection Molding (SRIM) Michigan	Michigan	5 of 15 answers
8	Champion Plastics, Inc. 18 employeesAuburn Hills, Michigan 2 name variants Champion Plastics, Inc.most common3 Champion Plastics1	Auburn Hills, Michigan	4 of 15 answers
9	Maple Mold Technologies 30 employeesRochester Hills, Michigan	Rochester Hills, Michigan	4 of 15 answers
10	PTI Engineered Plastics 125 employeesMacomb, Michigan	Macomb, Michigan	4 of 15 answers

36 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
Quest Industries	California	3 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 injection molded plastics in Michigan”
2“Who supplies custom injection molded ABS housings in Michigan”
3“I need a Michigan injection molded plastics partner for a 100,000 unit consumer electronics enclosure run, who should I talk to”
4“Top injection molded plastics suppliers in Michigan for consumer product OEM buyers”
5“Which Michigan injection molders can handle overmolding on metal inserts for structural components”
6“List 20 injection molded plastics 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.

valtecplastics.com
3 companies
gtpplastics.com
3 companies
ironwood.com
2 companies
upimi.com
2 companies
adplastic.com
2 companies
championplastics.net
2 companies
primera-inc.com
2 companies
smpco.com
2 companies
spencerplastics.com
2 companies
thomasnet.comDirectory
2 companies
wmiplastics.com
2 companies
xcentricmold.com
1 company

58 sources were cited across this cell's answers from 47 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 18th of 33 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 6%.

Michigan (this report)Other measured statesCategory average (6%)

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