AI Visibility Index · Cell report
MeasuredAI Visibility Index: Heat Treating Services in California
When a buyer asks an AI assistant for a heat treating services supplier in California, these are the companies that get named. This is what we found when the cell was last measured.
- 67 companies tracked
- Last measured September 30, 2026
- Next measurement October 30, 2026
The headline numbers
Never named by AI
50 of 67
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
- 50 never named
- Cell average
- 0.93of 15
Across all 67 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 California
These are the companies AI assistants named most often when California buyers went looking for a supplier in this category.
| Rank | Company | Location | AI visibility |
|---|---|---|---|
| 1 | Byington Steel Treating Inc 20 employeesSanta Clara, California 2 name variants
| Santa Clara, California | 11 of 15 answers |
| 2 | Scarrott Metallurgical Company 18 employeesLos Angeles, California | Los Angeles, California | 9 of 15 answers |
| 3 | Burbank Steel Treating Inc 45 employeesBurbank, California 2 name variants
| Burbank, California | 8 of 15 answers |
| 4 | Tri-J Metal Heat Treating Inc. 10 employeesPomona, California 2 name variants
| Pomona, California | 6 of 15 answers |
| 5 | Bodycote 87 employeesHuntington Park, California 3 name variants
| Huntington Park, California | 4 of 15 answers |
| 6 | Solar Atmospheres of California 52 employeesFontana, California | Fontana, California | 4 of 15 answers |
| 7 | Thermal-Vac Technology Inc 41 employeesOrange, California | Orange, California | 4 of 15 answers |
| 8 | Accurate Steel Treating California 2 name variants
| California | 4 of 15 answers |
| 9 | Pacific Heat Treating Company California 2 name variants
| California | 4 of 15 answers |
| 10 | Astro Aluminum Treating Co Inc 90 employeesSouth Gate, California 3 name variants
| South Gate, California | 3 of 15 answers |
19 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 California. They belong to that state's ranking, not this one.
| Company | State | Mentions |
|---|---|---|
| Vira‑Tech Inc. | Florida | 6 of 15 |
| Solar Atmospheres – California | Pennsylvania | 4 of 15 |
| Mil‑Spec Heat Treating | Indiana | 3 of 15 |
| Aremac Heat Treating | Georgia | 2 of 15 |
| City Steel Heat Treating, Inc. | Ohio | 2 of 15 |
| Superior Heat Treat LLC | Michigan | 2 of 15 |
One of these yours?
A complete Blue Book listing is one of the sources assistants read in this category. Confirming your details is free.
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 heat treating services companies in California”
- 2“Who supplies vacuum heat treating for precision metal components in California”
- 3“I need a California heat treating partner for a production run of hardened steel shafts, who should I talk to”
- 4“Top heat treating services suppliers in California for industrial OEM buyers”
- 5“Which California heat treating service providers can handle carburizing and quenching of alloy steels”
- 6“List 20 heat treating services companies in California 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.comDirectory11 companies
- bodycote.com3 companies
- kokoquest.com3 companies
- docs.heattreat.net3 companies
- vpei.com3 companies
- solaratm.com2 companies
- burbanksteel.com2 companies
- byingtonsteel.com2 companies
- qualityht.com2 companies
- thermalvac.com2 companies
- accuratesteeltreating.com2 companies
- aremac.com2 companies
45 sources were cited across this cell's answers from 30 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.
California in context
California ranks 2nd of 5 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 22%.
- Michigan26%
- California25%
- Pennsylvania20%
- Ohio20%
- New York15%
Look up a company
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- Every question it was named on
- Every question it was not
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More published reports in California
- Metal Fabrication Services1,186 tracked
- Contract Machining & Machine Shops1,068 tracked
- Industrial & Process Controls948 tracked
- Injection Molded Plastics845 tracked
- Metal Cutting Tools707 tracked
- Industrial Fasteners558 tracked
- Industrial Wire & Cable531 tracked
- Plastic Extrusion & Thermoforming515 tracked
- Industrial Machinery & Equipment Distributors465 tracked
- Electrical Equipment Distributors459 tracked
- Metal Finishing Services452 tracked
- Metal Service Centers452 tracked