AI Visibility Index · Cell report

AI Visibility Index: Boilers & Steam Heating Equipment in Washington

27 companies tracked · Last measured September 15, 2026

When a buyer asks an AI assistant for a boilers & steam heating equipment supplier in Washington, these are the companies that get named. This is what we found when the cell was last measured.

The headline numbers

21 of 27

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.

Not sure whether you are one of them? Check your domain.

Cell average
0.96of 15

Across all 27 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 Washington

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

Top 10 most AI-visible Boilers & Steam Heating Equipment companies in Washington, measured September 15, 2026
RankCompanyLocationAI visibility
1Cole Industrial Inc27 employees
2 name variants
  • Cole Industrial, Inc.most common11
  • Cole Industrial, Inc. (Cleaver-Brooks representative)1
Lynnwood, Washington12 of 15 answers
2Proctor Sales Inc29 employeesLynnwood, Washington8 of 15 answers
3Seattle Boiler Works
2 name variants
  • Seattle Boiler Worksmost common7
  • Seattle Boiler Works, Inc.1
Washington8 of 15 answers
4Hurley Engineering Co.
3 name variants
  • Hurley Engineering Co.most common3
  • Hurley Engineering Co., Inc.1
  • Hurley Engineering1
Washington5 of 15 answers
5Steam Supply LLC
2 name variants
  • Steam Supply LLCmost common4
  • Steam Supply1
Washington5 of 15 answers
6All Temp Mechanical
2 name variants
  • All Temp Mechanical, Inc.most common2
  • All Temp Mechanical2
Washington4 of 15 answers
7C H Murphy / Clark‑Ullman
2 name variants
  • C H Murphy / Clark‑Ullman, Inc.most common2
  • C H Murphy / Clark‑Ullman2
Washington4 of 15 answers
8Elite Mechanical Services, LLCWashington4 of 15 answers
9NW Industrial Mechanics (NWIM)Oregon, Washington4 of 15 answers
10Atlas Boiler & Equipment Co8 employeesSpokane, Washington3 of 15 answers

30 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 Washington. They belong to that state's ranking, not this one.

CompanyStateMentions
Apollo Mechanical ContractorsTennessee3 of 15
DIVCOOklahoma3 of 15
FASTCO CorporationMaine1 of 15
Inland Mechanical Inc. (IMC)North Carolina1 of 15
Nationwide Boiler Inc.California1 of 15
WARETennessee1 of 15

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A complete Blue Book listing is one of the sources assistants read in this category. Confirming your details is free.

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What moved since the last measurement

This is the first measurement of this cell, so there is nothing to compare it with yet. The next measurement will show what moved.

Stability is normal. AI answers in industrial categories change slowly, and a cell can go several measurements with no change in the top ten.

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. 1Best boilers and steam heating equipment companies in Washington
  2. 2Who supplies high-pressure industrial steam boilers in Washington
  3. 3I need a Washington boiler and steam heating equipment partner for a hospital central plant upgrade, who should I talk to
  4. 4Top boilers and steam heating equipment suppliers in Washington for facilities management buyers
  5. 5Which Washington boiler and steam heating equipment practitioners can handle turnkey installation and ASME code-compliant pressure vessel work
  6. 6List 20 boilers and steam heating equipment companies in Washington 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.

  • en.wikipedia.orgDirectory3 companies
  • nwim.us3 companies
  • hurleyengineering.com3 companies
  • thomasnet.comDirectory3 companies
  • coleindust.com2 companies
  • alltempseattle.com2 companies
  • chmcu.com2 companies
  • controlfactors.com2 companies
  • divcoec.com2 companies
  • seattleschools.org2 companies
  • steamsupply.com2 companies
  • seattleboiler.com1 company

52 sources were cited across this cell's answers from 41 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

Washington in context

Washington is the only state measured in this category so far, so there is nothing to compare it with yet.

Look up a company

Enter a domain or a company name to see whether it is tracked in this cell, and whether the answers named it. This is a lookup against a measurement already taken, so it is instant.

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Get your monthly AI Visibility Report

The public Index publishes one measurement per cell. A monthly report covers your own company: every question it was named on, every question it was not, and what moved. Your own position is only ever shown to you.

We'll verify your domain and email before your report is built. Not listed? Email index@macraesbluebook.com.

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