AI Visibility Index: Tanks & Pressure Vessels in Virginia

When a buyer asks an AI assistant for a tanks & pressure vessels supplier in Virginia, these are the companies that get named. This is what we found when the cell was last measured.

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

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The headline numbers

Never named by AI

45 of 54

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.

9 named at least once
45 never named

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Cell average: 0.61of 15
Across all 54 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 Virginia

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

Top 10 most AI-visible Tanks & Pressure Vessels companies in Virginia, measured September 30, 2026
Rank	Company	Location	AI visibility
1	Riggins Company 50 employeesHampton, Virginia	Hampton, Virginia	13 of 15 answers
2	Adamson Tank & Heat Exchanger Virginia	Virginia	10 of 15 answers
3	Fairfax County: Department of Information Technology (DIT) 15 employeesFairfax, Virginia 2 name variants DIT (Diversified Industrial Technologies)most common3 Design Integrated Technology (DIT)2	Fairfax, Virginia	5 of 15 answers
4	Design Integrated Technology, Inc. 12 employeesWarrenton, Virginia 3 name variants Design Integrated Technology, Inc. (DIT)most common2 Design Integrated Technology, Inc. (DIT-USA)1 DIT – Design & Integration Technology1	Warrenton, Virginia	4 of 15 answers
5	Craft Machine Works Inc 125 employeesHampton, Virginia 2 name variants Craft Machine Worksmost common2 Craft Machine Works, Inc.1	Hampton, Virginia	3 of 15 answers
6	Acrodont Industrial Group Virginia	Virginia	3 of 15 answers
7	Amthor International Inc 65 employeesGretna, Virginia	Gretna, Virginia	2 of 15 answers
8	Poly Processing 30 employeesWinchester, Virginia	Winchester, Virginia	2 of 15 answers
9	West Engineering Co., Inc. 80 employeesAshland, Virginia	Ashland, Virginia	2 of 15 answers
10	D.I.T. – DIT USA Virginia 2 name variants D.I.T. (Diversified Industrial Technologies)most common1 D.I.T. – DIT USA1	Virginia	2 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 Virginia. They belong to that state's ranking, not this one.

Company	State	Mentions
Samuel Pressure Vessel Group – Lebanon Plant	Wisconsin	2 of 15
Samuel Pressure Vessel Group – Lebanon, VA	Wisconsin	2 of 15
Savannah Tank	Georgia	2 of 15
Savannah Tank & Equipment	Georgia	2 of 15
Universal Air & Gas Products Corp.	North Carolina	2 of 15
American Alloy Fabricators	Pennsylvania	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 suppliers of tanks and pressure vessels in Virginia”
2“Who supplies ASME-certified stainless steel process pressure vessels in Virginia”
3“I need a Virginia tank and pressure vessel partner for a custom chemical processing line, who should I talk to”
4“Top tanks and pressure vessels suppliers in Virginia for chemical plant engineering buyers”
5“Which Virginia tank and pressure vessel fabricators can handle large-diameter, high-pressure reactor vessels”
6“List 20 tanks and pressure vessels companies in Virginia 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
9 companies
ditusa.com
7 companies
savannahtank.com
3 companies
macraesbluebook.comDirectory
2 companies
adamsontank.com
2 companies
craftmachine.com
2 companies
smythcountymachine.com
2 companies
acrodont.com
1 company
amthorinternational.com
1 company
atlanticcontainment.com
1 company
clarkweldingtanks.com
1 company
fabsource.com
1 company

29 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.

Virginia in context

Virginia ranks 2nd of 17 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 10%.

Virginia (this report)Other measured statesCategory average (10%)

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