Blue Book

AI Visibility Index · Cell report

Measured

AI Visibility Index: Heat Exchangers in Pennsylvania

When a buyer asks an AI assistant for a heat exchangers supplier in Pennsylvania, 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

95 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.

  • 17 named at least once
  • 95 never named
Not sure whether you are one of them?Check your domain
Cell average
0.55of 15

Across all 112 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 Pennsylvania

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

Top 10 most AI-visible Heat Exchangers companies in Pennsylvania, measured September 30, 2026
RankCompanyAI visibility
1
Hetrick Manufacturing, Inc.
9 employeesNew Kensington, Pennsylvania
2 name variants
  • Hetrick Mfg., Inc.most common10
  • Hetrick Manufacturing, Inc.2

12 of 15 answers

2
Allegheny Bradford Corporation
50 employeesLewis Run, Pennsylvania

8 of 15 answers

3
Cannon Boiler Works Inc
52 employeesNew Kensington, Pennsylvania
2 name variants
  • Cannon Boiler Worksmost common6
  • Cannon Boiler Works, Inc.2

8 of 15 answers

4
Apex Engineered Products
22 employeesClark, Pennsylvania

6 of 15 answers

5
ProThermal Inc.
Pennsylvania

6 of 15 answers

6
Doucette Industries
42 employeesYork, Pennsylvania
2 name variants
  • Doucette Industriesmost common3
  • Doucette Industries, Inc.2

5 of 15 answers

7
Multitherm LLC
10 employeesPottstown, Pennsylvania
3 name variants
  • MultiTherm Coilsmost common2
  • MultiTherm2
  • MultiTherm Co.1

5 of 15 answers

8
Gooch Thermal Systems
Pennsylvania
2 name variants
  • Gooch Thermal Systems, Inc.most common2
  • Gooch Thermal Systems2

4 of 15 answers

9
Penn Manufacturing, Inc.
Pennsylvania

4 of 15 answers

10
Cummins-Wagner Co., Inc.
21 employeesElizabethtown, Pennsylvania
3 name variants
  • Cummins‑Wagner – Pennsylvania (Heat Transfer Group)most common1
  • Cummins‑Wagner Co.1
  • Cummins‑Wagner1

3 of 15 answers

29 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 Pennsylvania. They belong to that state's ranking, not this one.

CompanyStateMentions
Advanced Cooling Technologies (ACT)Iowa2 of 15
Perry Products CorporationNew Jersey1 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. 1“Best heat exchanger companies in Pennsylvania”
  2. 2“Who supplies custom shell-and-tube heat exchangers in Pennsylvania”
  3. 3“I need a Pennsylvania heat exchanger partner for a high-pressure chemical processing line, who should I talk to”
  4. 4“Top heat exchanger suppliers in Pennsylvania for process engineering buyers”
  5. 5“Which Pennsylvania heat exchanger manufacturers can handle ASME-coded stainless steel units for corrosive media”
  6. 6“List 20 heat exchanger companies in Pennsylvania 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.

  • cummins-wagner.com
    4 companies
  • thomasnet.comDirectory
    4 companies
  • prothermalinc.com
    3 companies
  • goochthermal.com
    3 companies
  • multithermcoils.com
    3 companies
  • cannonboilerworks.com
    2 companies
  • doucetteindustries.com
    2 companies
  • cw-estgroup.com
    2 companies
  • globalspec.comDirectory
    2 companies
  • hetrickmfg.com
    2 companies
  • iqsdirectory.comDirectory
    2 companies
  • kamthermal.com
    2 companies

46 sources were cited across this cell's answers from 37 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Pennsylvania in context

Pennsylvania ranks 2nd of 9 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 12%.

Pennsylvania (this report)Other measured statesCategory average (12%)

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More published reports in Pennsylvania