# Directory (filtered)

Home > Browse > Directory

40 sites · 3 country unknown · 19 category unknown

Filters combine: different facets must all match; values within one facet are alternatives.

## Capability

- MCP — 6
- Markdown — 21
- Endpoint (MCP or API catalog) — 9

## Can act

- Agent can act — 32

## Checks passed

- 4 of 5 — 2
- 3 of 5 — 6
- 2 of 5 — 2
- 1 of 5 — 11
- 0 of 5 — 19

## Type

- business — 38
- directory — 1
- ecommerce — 1

## Country

- [US](https://knowngood.sh/directory.md?category=plumbing-hvac) (selected) — 40
- SA — 48
- ES — 43
- FR — 43
- CA — 42
- AU — 41
- BE — 41
- GB — 41
- IT — 41
- PL — 41
- RU — 41
- UA — 41
- ZA — 41
- unknown — 3

## Category

- medical aesthetics — 368
- health — 223
- beauty and personal care products — 187
- weight loss clinics — 161
- construction and roofing — 126
- automotive — 98
- sports — 91
- auto sales and service — 88
- digital products — 87
- medical clinics — 86
- SEO — 85
- wellness and spa — 86
- community and nonprofits — 85
- news and current affairs — 84
- real estate — 84
- insurance — 80
- [plumbing and HVAC](https://knowngood.sh/directory.md?country=US) (selected) — 40
- web design and development — 78
- arts and culture — 78
- parenting and family — 77
- legal services — 76
- weddings and event services — 73
- AI agents — 72
- schools and language learning — 72
- technology — 72
- developer platforms — 70
- financial services — 70
- IT services and cybersecurity — 70
- industrial and trade supplies — 69
- fashion and clothing — 66
- digital marketing agencies — 65
- food and drink retail — 65
- cleaning services — 62
- dental care — 63
- restaurants and cafes — 63
- food and cooking — 62
- furniture and home decor — 62
- music — 62
- flowers and gifts — 59
- senior care — 59
- lifestyle and personal — 58
- payments — 58
- cloud and hosting — 57
- conferences and training events — 57
- catering and food services — 56
- dermatology — 56
- medical and health supplies — 56
- parking and transport services — 56
- analytics and observability — 55
- SDKs and API clients — 54
- tours and activities — 53
- hotels and accommodation — 52
- AI consulting agencies — 51
- blockchain and web3 — 51
- moving and storage — 51
- programming languages and frameworks — 51
- business consulting — 50
- fitness — 50
- pet supplies — 50
- search and data APIs — 50
- security and identity — 50
- conversational and voice AI — 49
- pest control — 48
- productivity and documents software — 49
- travel — 49
- accounting and tax services — 48
- marketing software — 48
- online courses — 48
- software development services — 48
- CRM and sales software — 47
- jobs and recruiting — 47
- photography — 47
- trading and investing platforms — 47
- workflow automation software — 47
- build and test tooling — 46
- ecommerce infrastructure — 46
- faith and religion — 46
- hair and beauty salons — 46
- travel agencies and booking — 46
- databases and storage — 45
- gaming — 45
- jewellery and watches — 45
- beauty — 44
- car rental — 44
- sports and outdoor equipment — 44
- tattoo studios — 44
- accounting and invoicing software — 43
- extensions and plugins — 43
- auto parts — 42
- deals and discounts — 42
- electronics — 42
- email and messaging — 42
- embedded devices and firmware — 42
- generative media — 42
- perfume and fragrance — 42
- pharmacies — 42
- scheduling and events software — 42
- customer support software — 41
- e-signatures — 41
- internet and telecom providers — 41
- sports clubs and organisations — 41

## Platform

- unknown — 40

## Verified within

Of the latest check, 2026-08-28.

- 7 days — 40
- 30 days — 40
- 90 days — 40

## Sites

- [M&A Advisory Services for Home Services](https://knowngood.sh/site/mainstreetwealth.ai.md) — mainstreetwealth.ai · business · US · 4 of 5 · MCP, Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [WarmlyYours.com](https://knowngood.sh/site/www.warmlyyours.com.md) — www.warmlyyours.com · ecommerce · US · 4 of 5 · MCP, Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [Coastal Eco Heating & Air](https://knowngood.sh/site/coastalecoheatair.com.md) — coastalecoheatair.com · business · US · 3 of 5 · MCP, Markdown, OpenAPI · can act: no · verified 2026-08-23
- [UniColorado Heating & Cooling](https://knowngood.sh/site/unicolorado.com.md) — unicolorado.com · business · US · 3 of 5 · MCP, Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [The HVAC Marketing Guys](https://knowngood.sh/site/www.thehvacmarketingguys.com.md) — www.thehvacmarketingguys.com · business · US · 3 of 5 · MCP, Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [N.Y. Renovation Services](https://knowngood.sh/site/www.renovationservices.com.md) — www.renovationservices.com · business · US · 3 of 5 · Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [A Superior Mechanical](https://knowngood.sh/site/asuperiormechanical.com.md) — asuperiormechanical.com · business · US · 3 of 5 · Markdown, llms.txt, OpenAPI · can act: yes · verified 2026-08-23
- [Element Service Group](https://knowngood.sh/site/callelement.com.md) — callelement.com · business · US · 3 of 5 · MCP, Markdown, OpenAPI · can act: no · verified 2026-08-23
- [N1 Services](https://knowngood.sh/site/n1serves.com.md) — n1serves.com · business · US · 2 of 5 · Markdown, llms.txt · can act: yes · verified 2026-08-23
- [HireNimbus](https://knowngood.sh/site/hirenimbus.com.md) — hirenimbus.com · directory · US · 2 of 5 · Markdown, OpenAPI · can act: yes · verified 2026-08-23
- [Empire Heating & Air Conditioning](https://knowngood.sh/site/empireheatingandac.com.md) — empireheatingandac.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Anderson Water Systems, Inc.](https://knowngood.sh/site/andersonwater.com.md) — andersonwater.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Heat & Kool, Inc.](https://knowngood.sh/site/heatkool.com.md) — heatkool.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Baran's Air Duct Cleaning](https://knowngood.sh/site/baransairductcleaning.com.md) — baransairductcleaning.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Hughesco of Rochester](https://knowngood.sh/site/hughescoofrochester.com.md) — hughescoofrochester.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Buffalo Energy](https://knowngood.sh/site/buffalo-energy.com.md) — buffalo-energy.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [NOCO](https://knowngood.sh/site/noco.com.md) — noco.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [AV Enterprise Heating & Cooling LLC](https://knowngood.sh/site/aventerprise.net.md) — aventerprise.net · business · US · 1 of 5 · Markdown · can act: no · verified 2026-08-23
- [Georges Heating & Cooling, Inc.](https://knowngood.sh/site/georgesheatingandcooling.com.md) — georgesheatingandcooling.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Papas Plumbing Inc.](https://knowngood.sh/site/www.papatheplumber.com.md) — www.papatheplumber.com · business · US · 1 of 5 · Markdown · can act: yes · verified 2026-08-23
- [Andy's Plumbing & Drain Services](https://knowngood.sh/site/andysplumbingla.com.md) — andysplumbingla.com · business · US · 1 of 5 · Markdown · can act: no · verified 2026-08-23
- [Comfort Experts, Inc.](https://knowngood.sh/site/comfortexpertsheatandair.com.md) — comfortexpertsheatandair.com · business · US · 0 of 5 · no capability confirmed · can act: no · verified 2026-08-23
- [BF Mahn](https://knowngood.sh/site/www.bfmahn.com.md) — www.bfmahn.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Anything Heating & Cooling](https://knowngood.sh/site/www.anytimehc.com.md) — www.anytimehc.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Hero Heating & Air](https://knowngood.sh/site/www.heroac.com.md) — www.heroac.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Salzano Electric Service](https://knowngood.sh/site/salzanoelectric.com.md) — salzanoelectric.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Champion Plumbing Services](https://knowngood.sh/site/plumbingchamp.com.md) — plumbingchamp.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Coast to Coast Plumbing](https://knowngood.sh/site/www.coasttocoastplumbing.com.md) — www.coasttocoastplumbing.com · business · US · 0 of 5 · no capability confirmed · can act: no · verified 2026-08-23
- [Hoock's](https://knowngood.sh/site/www.hoocks.com.md) — www.hoocks.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Georgia Air](https://knowngood.sh/site/www.georgiaairrepair.com.md) — www.georgiaairrepair.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Titanium Plumbing](https://knowngood.sh/site/www.titanium-plumbing.com.md) — www.titanium-plumbing.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [MAP Plumbing and Rooter](https://knowngood.sh/site/mapplumbingandrooter.com.md) — mapplumbingandrooter.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [SELIGA](https://knowngood.sh/site/seligaheatingandcooling.com.md) — seligaheatingandcooling.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Energy Stars Heating, Cooling, and Insulation](https://knowngood.sh/site/estarshvac.com.md) — estarshvac.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Pulliam Plumbing](https://knowngood.sh/site/pulliamplumbing.com.md) — pulliamplumbing.com · business · US · 0 of 5 · no capability confirmed · can act: no · verified 2026-08-23
- [Urban Plumbing Inc.](https://knowngood.sh/site/urbanplumbinginc.com.md) — urbanplumbinginc.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Gulfstream Cooling](https://knowngood.sh/site/gulfstreamcooling.com.md) — gulfstreamcooling.com · business · US · 0 of 5 · no capability confirmed · can act: no · verified 2026-08-23
- [Chicago Sewer Experts Emergency Plumbers](https://knowngood.sh/site/www.chicagosewerexperts.com.md) — www.chicagosewerexperts.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Tom Sawyer Plumbing](https://knowngood.sh/site/www.tomsawyerplumbing.com.md) — www.tomsawyerplumbing.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23
- [Air Comfort Service, Inc](https://knowngood.sh/site/www.aircomfortservice.com.md) — www.aircomfortservice.com · business · US · 0 of 5 · no capability confirmed · can act: yes · verified 2026-08-23

HTML: https://knowngood.sh/directory?country=US&category=plumbing-hvac