AI Visibility Index: Injection Molded Plastics in South Carolina

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

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

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The headline numbers

Never named by AI

101 of 112

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.

11 named at least once
101 never named

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Cell average: 0.41of 15
Across all 112 tracked companies.
Top ten average: 5.2of 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 South Carolina

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

Top 10 most AI-visible Injection Molded Plastics companies in South Carolina, measured September 30, 2026
Rank	Company	Location	AI visibility
1	R C Molding Inc Greer, South Carolina 3 name variants RC Molding Inc.most common8 RC Molding Incorporated1 R.C. Molding Inc.1	Greer, South Carolina	10 of 15 answers
2	PDQ South 16 employeesPageland, South Carolina 4 name variants PDQ Southmost common5 PDQ South Technologies (PDQ South)1 PDQ South Technologies, Inc.1 PDQ South Technologies1	Pageland, South Carolina	8 of 15 answers
3	C-Plex Inc. 10 employeesLexington, South Carolina	Lexington, South Carolina	7 of 15 answers
4	Strategy Plastics South Carolina	South Carolina	6 of 15 answers
5	Marchel Industries 30 employeesSpartanburg, South Carolina 2 name variants Marchel Industries Inc.most common3 Marchel Industries2	Spartanburg, South Carolina	5 of 15 answers
6	JM Mold South, Inc. South Carolina 2 name variants JM Mold South, Inc.most common3 JM Mold South1	South Carolina	4 of 15 answers
7	Premier Manufacturing Group 20 employeesSpartanburg, South Carolina	Spartanburg, South Carolina	3 of 15 answers
8	Progressive Plastics Inc 11 employeesClover, South Carolina	Clover, South Carolina	3 of 15 answers
9	Roebuck Plastics & Machining 20 employeesMoore, South Carolina	Moore, South Carolina	3 of 15 answers
10	GSIB Plastics, LLC South Carolina	South Carolina	3 of 15 answers

14 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 South Carolina. They belong to that state's ranking, not this one.

Company	State	Mentions
PSI Molded Plastics – Marion Plant	Indiana	5 of 15
Advanced Plastiform, Inc.	North Carolina	4 of 15
Mack Molding	North Carolina	4 of 15
PSI Molded Plastics	Indiana	4 of 15
PART Inc.	Georgia	2 of 15
Pexco	Massachusetts	2 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 South Carolina”
2“Who supplies custom injection molded ABS housings in South Carolina”
3“I need a South Carolina 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 South Carolina for consumer product OEM buyers”
5“Which South Carolina injection molders can handle overmolding on metal inserts for structural components”
6“List 20 injection molded plastics companies in South Carolina 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
12 companies
psimp.com
5 companies
whitmanmold.com
4 companies
rcmolding.com
3 companies
mack.com
2 companies
marchelindustries.com
2 companies
durotechinc.com
2 companies
en.wikipedia.orgDirectory
2 companies
hscprecision.com
2 companies
lxgmoldtooling.com
2 companies
pdqsouth.com
2 companies
pexco.com
2 companies

33 sources were cited across this cell's answers from 26 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

South Carolina in context

South Carolina ranks 7th 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%.

South Carolina (this report)Other measured statesCategory average (6%)

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