NamedTest

Which foundation repair companies does AI name in Chicago, IL?

Perma-Seal Basement Systems was the foundation repair company AI named most often in Chicago, IL: in 12 of 20 answers in October 2026.

Across 20 answers to 10 customer questions, Perplexity and Gemini (model knowledge) named 26 different foundation repair companies. The 6 named most often held 67% of all mentions.

Perplexity named American Foundation Repair most often (5 of 10 answers) and Gemini named Perma-Seal Basement Systems most often (10 of 10 answers).

Answers collected October 17, 2026. AI answers change from day to day.

The foundation repair companies AI named most

BusinessAnswers naming it
Perma-Seal Basement SystemsNamed by Perplexity and Gemini12 of 20
Reliable Basement ServiceNamed by Gemini10 of 20
U.S. WaterproofingNamed by Perplexity and Gemini10 of 20
American Foundation RepairNamed by Perplexity5 of 20
Real Seal Basement WaterproofingNamed by Perplexity and Gemini5 of 20
Baird Foundation RepairNamed by Gemini4 of 20
B-Dry ChicagoNamed by Gemini2 of 20
Coast To Coast Masonry GroupNamed by Perplexity2 of 20
Safeguard Waterproofing – Ram Jack IllinoisNamed by Perplexity2 of 20
American Foundation & Basement RepairsNamed by Gemini1 of 20

Who each AI tool named

Perplexity

10 of its 10 answers named at least one business.

  1. American Foundation Repair (5)
  2. Real Seal Basement Waterproofing (4)
  3. U.S. Waterproofing (3)
  4. Coast To Coast Masonry Group (2)
  5. Perma-Seal Basement Systems (2)
  6. Safeguard Waterproofing – Ram Jack Illinois (2)
  7. Chicago Basement Systems (1)
  8. Chicago Foundations and Concrete Pros (1)
  9. EHI Foundation Crack Repair (1)
  10. Ken-Rich Concrete Lifting (1)

Gemini (model knowledge)

10 of its 10 answers named at least one business.

  1. Perma-Seal Basement Systems (10)
  2. Reliable Basement Service (10)
  3. U.S. Waterproofing (7)
  4. Baird Foundation Repair (4)
  5. B-Dry Chicago (2)
  6. American Foundation & Basement Repairs (1)
  7. Midwest Basement Systems (1)
  8. Midwest Foundation Repair (1)
  9. Olshan Foundation Solutions (1)
  10. Real Seal Basement Waterproofing (1)

What AI named for each question

The businesses each AI tool named in its answer to each question, in the order the answer named them.

  1. I just found a big crack in my foundation in Chicago, IL. Which company should I call?

    Perplexity

    1. American Foundation Repair
    2. Coast To Coast Masonry Group
    3. Moller Builders
    4. Windy City Foundation
    5. Chicago Basement Systems

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. B-Dry Chicago
    4. Structural Technologies, Inc.

  2. How much does foundation crack repair cost in Chicago, IL, and which foundation repair companies charge fair prices?

    Perplexity

    1. Real Seal Basement Waterproofing
    2. Perma-Seal Basement Systems
    3. EHI Foundation Crack Repair

    Gemini

    1. Reliable Basement Service
    2. Perma-Seal Basement Systems
    3. U.S. Waterproofing
    4. Midwest Basement Systems

  3. Who is the most trusted foundation repair company in Chicago, IL?

    Perplexity

    1. U.S. Waterproofing
    2. Real Seal Basement Waterproofing
    3. American Foundation Repair
    4. Ninja Group Inc.

    Gemini

    1. Reliable Basement Service
    2. Perma-Seal Basement Systems
    3. Baird Foundation Repair

  4. Which foundation repair company in Chicago, IL is best for basement waterproofing?

    Perplexity

    1. Real Seal Basement Waterproofing
    2. U.S. Waterproofing

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. U.S. Waterproofing
    4. Baird Foundation Repair

  5. Water is coming into my basement through a wall crack in Chicago, IL. Which company can come out this week?

    Perplexity

    1. ProSeal Basement Waterproofing
    2. The CleanUP Guys

    Gemini

    1. U.S. Waterproofing
    2. Perma-Seal Basement Systems
    3. Reliable Basement Service
    4. B-Dry Chicago

  6. Who is the most affordable foundation repair company near Chicago, IL?

    Perplexity

    1. American Foundation Repair
    2. Safeguard Waterproofing – Ram Jack Illinois
    3. Chicago Foundations and Concrete Pros

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. Real Seal Basement Waterproofing
    4. U.S. Waterproofing

  7. Which foundation repair companies in Chicago, IL have the best reviews?

    Perplexity

    1. Perma-Seal Basement Systems
    2. Real Seal Basement Waterproofing
    3. Ken-Rich Concrete Lifting
    4. U.S. Waterproofing

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. U.S. Waterproofing
    4. Baird Foundation Repair

  8. I need wall bracing in Chicago, IL. Which local foundation repair company do you recommend?

    Perplexity

    1. American Foundation Repair

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. U.S. Waterproofing
    4. Baird Foundation Repair

  9. Which foundation repair companies near Chicago, IL can inspect my house this week?

    Perplexity

    1. American Foundation Repair
    2. Safeguard Waterproofing – Ram Jack Illinois
    3. Coast To Coast Masonry Group

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. U.S. Waterproofing
    4. American Foundation & Basement Repairs

  10. What is a reasonable price for pier installation in Chicago, IL, and who should I get quotes from?

    Perplexity

    1. Queen Foundation Repair
    2. X-Home Foundation Crack Repair
    3. Yuriy Foundation Crack Repair

    Gemini

    1. Perma-Seal Basement Systems
    2. Reliable Basement Service
    3. Midwest Foundation Repair
    4. Olshan Foundation Solutions

Sources AI cited

10 of the 20 answers cited sources. The sites cited most, by the number of answers citing them:

  1. americanfoundationrepair.com (7)
  2. homeadvisor.com (7)
  3. bestinhood.com (6)
  4. homeownerhenry.com (6)
  5. bestpickreports.com (4)
  6. foundationselect.com (4)
  7. ramjack.com (4)
  8. slablocal.com (4)
  9. angi.com (3)
  10. bbb.org (3)

Gemini (model knowledge) answers from what it learned in training, without a web search, so it cites no sources.

What the most-named foundation repair companies have in common

3 of the 6 were named by both Perplexity and Gemini. The rest were named by one tool only, which is common: the tools search and remember differently.

3 of the 6 had their own website among the sources the answers cited, and AI gave a website for 6 of them.

By the kind of question: 4 of them came up for urgent requests, 5 for questions about price, 6 for questions about trust and reviews, and 6 for questions about a specific service.

How we measured this

We asked 10 questions a customer might ask about foundation repair companies in Chicago, IL, once on each AI tool, through each tool's official API. For example:

  • I just found a big crack in my foundation in Chicago, IL. Which company should I call?
  • Who is the most trusted foundation repair company in Chicago, IL?
  • Which foundation repair company in Chicago, IL is best for basement waterproofing?

Perplexity searches the web and shows its sources. Gemini (model knowledge) answers without a web search, from what the model learned in training, so its picks can be out of date. A language model read each answer and listed the businesses it named, and a business counts once per answer. These results describe what AI said on these dates. They are not a rating of any business's work.

Data as of October 17, 2026.

Corrections

If a business name was misread, or a business is listed that has closed, email hello@namedtest.com. We check it against the stored answers and correct the page.

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Questions about this page

Which foundation repair companies does AI name most in Chicago, IL?

Perma-Seal Basement Systems was the foundation repair company AI named most often in Chicago, IL: in 12 of 20 answers in October 2026.

Which AI tools were asked, and when?

Perplexity and Gemini, 10 customer questions each, answered between October 17, 2026 and October 17, 2026. Gemini (model knowledge) answers from what the model learned in training, without a web search.

How can a foundation repair company get named by AI more often?

Make the business easy for AI to read and to trust: let AI crawlers into your website, keep your name, address and phone the same everywhere, answer common customer questions on your site, and earn reviews on the sites AI cites. The free check shows whether AI names your business today.