AI Visibility Index: Structural Steel Fabrication in Indiana

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

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

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The headline numbers

Never named by AI

74 of 85

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
74 never named

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Cell average: 0.41of 15
Across all 85 tracked companies.
Top ten average: 6.1of 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 Indiana

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

Top 10 most AI-visible Structural Steel Fabrication companies in Indiana, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Lenex Steel Indiana 2 name variants Lenex Steelmost common11 Lenex Steel Company3	Indiana	14 of 15 answers
2	Indiana Steel Fabricating Inc 11 employeesLafayette, Indiana 2 name variants Indiana Steel Fabricating, Inc.most common6 Indiana Steel Fabricating2	Lafayette, Indiana	8 of 15 answers
3	Indiana Bridge Company Indiana 3 name variants Indiana Bridge Companymost common4 Indiana Bridge, Inc.2 Indiana Bridge2	Indiana	8 of 15 answers
4	Century Steel Fabricating, Inc. 14 employeesCamby, Indiana 2 name variants Century Steel Fabricating, Inc.most common5 Century Steel1	Camby, Indiana	6 of 15 answers
5	Evans Metal Products Co 10 employeesElkhart, Indiana 2 name variants Evans Metal Products Co., Inc.most common3 Evans Metal Products3	Elkhart, Indiana	6 of 15 answers
6	Simko Industrial Fabricators Inc 15 employeesHammond, Indiana	Hammond, Indiana	5 of 15 answers
7	Steelcore Built Indiana	Indiana	5 of 15 answers
8	HG Metals Indiana	Indiana	3 of 15 answers
9	Kammerer Dynamics (KDI) Indiana	Indiana	3 of 15 answers
10	MAK Steel Services, LLC Indiana	Indiana	3 of 15 answers

15 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 Indiana. They belong to that state's ranking, not this one.

Company	State	Mentions
Steel Services Inc.	Virginia	7 of 15
R.A.D. Fabrication	Idaho	6 of 15
Parker Manufacturing, LLC	Rhode Island	3 of 15
J.L. Walter & Associates	Virginia	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 structural steel fabrication companies in Indiana”
2“Who supplies custom structural steel building frames in Indiana”
3“I need a Indiana structural steel fabrication partner for a mid-rise commercial project, who should I talk to”
4“Top structural steel fabrication suppliers in Indiana for general contractor buyers”
5“Which Indiana structural steel fabricators can handle large welded assemblies with certified field erection support”
6“List 20 structural steel fabrication companies in Indiana 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
6 companies
indianasteelfabricating.com
2 companies
aisc.org
2 companies
centurysteel.net
2 companies
indianabridge.net
2 companies
radfabrication.com
2 companies
en.wikipedia.orgDirectory
2 companies
evansmetal.com
2 companies
indianafabricatorsassociation.org
2 companies
lenexsteel.com
2 companies
pwcfabrication.com
2 companies
steelcorebuilt.com
1 company

38 sources were cited across this cell's answers from 29 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Indiana in context

Indiana ranks 11th of 19 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%.

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

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