# Directory (filtered)

Home > Browse > Directory

15 sites · 29 category unknown

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

## Capability

- Markdown — 11
- Endpoint (MCP or API catalog) — 2

## Can act

- Agent can act — 12

## Checks passed

- 4 of 5 — 19
- 3 of 5 — 33
- 2 of 5 — 25
- [1 of 5](https://knowngood.sh/directory.md?category=plumbing-hvac) (selected) — 15
- 0 of 5 — 35

## Type

- business — 14
- ecommerce — 1

## Country

- US — 11
- FR — 2
- CA — 1
- RU — 1

## Category

- blockchain and web3 — 208
- medical aesthetics — 166
- health — 164
- community and nonprofits — 149
- news and current affairs — 136
- gaming — 127
- SEO — 124
- tours and activities — 121
- sports — 113
- construction and roofing — 106
- digital products — 106
- travel — 105
- arts and culture — 103
- restaurants and cafes — 100
- sports clubs and organisations — 100
- beauty and personal care products — 97
- lifestyle and personal — 96
- technology — 81
- AI agents — 80
- deals and discounts — 78
- schools and language learning — 78
- web design and development — 77
- automotive — 75
- industrial and trade supplies — 72
- food and drink retail — 71
- hair and beauty salons — 68
- fashion and clothing — 67
- parenting and family — 67
- medical clinics — 65
- furniture and home decor — 64
- hotels and accommodation — 64
- weight loss clinics — 63
- food and cooking — 58
- auto sales and service — 53
- real estate — 53
- programming languages and frameworks — 51
- analytics and observability — 50
- productivity and documents software — 50
- digital marketing agencies — 49
- marketing software — 48
- IT services and cybersecurity — 47
- wellness and spa — 47
- developer platforms — 46
- payments — 46
- weddings and event services — 45
- financial services — 44
- travel agencies and booking — 43
- extensions and plugins — 42
- business consulting — 41
- cloud and hosting — 41
- flowers and gifts — 41
- search and data APIs — 41
- conferences and training events — 40
- jobs and recruiting — 38
- cleaning services — 36
- ecommerce infrastructure — 36
- insurance — 36
- parking and transport services — 36
- security and identity — 36
- software development services — 36
- music — 35
- legal services — 34
- scheduling and events software — 34
- accounting and invoicing software — 32
- SDKs and API clients — 32
- senior care — 32
- dental care — 31
- faith and religion — 31
- medical and health supplies — 31
- fitness — 30
- [plumbing and HVAC](https://knowngood.sh/directory.md?tier=1) (selected) — 15
- workflow automation software — 30
- accounting and tax services — 29
- catering and food services — 29
- build and test tooling — 28
- pet supplies — 28
- embedded devices and firmware — 27
- jewellery and watches — 27
- car rental — 26
- online courses — 26
- AI consulting agencies — 25
- databases and storage — 25
- dermatology — 25
- auto parts — 24
- conversational and voice AI — 24
- moving and storage — 24
- photography — 24
- beauty — 23
- CRM and sales software — 23
- email and messaging — 23
- generative media — 21
- perfume and fragrance — 21
- pharmacies — 20
- tattoo studios — 20
- customer support software — 19
- sports and outdoor equipment — 19
- trading and investing platforms — 19
- pest control — 18
- electronics — 17
- internet and telecom providers — 17

## Platform

- unknown — 15

## Verified within

Of the latest check, 2026-08-28.

- 7 days — 15
- 30 days — 15
- 90 days — 15

## Sites

- [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
- [feniks-trade.ru](https://knowngood.sh/site/feniks-trade.ru.md) — feniks-trade.ru · ecommerce · RU · 1 of 5 · OpenAPI · 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
- [Hy-Pro Plumbing & Drain Cleaning](https://knowngood.sh/site/www.hypro-drains.com.md) — www.hypro-drains.com · business · CA · 1 of 5 · OpenAPI · 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
- [MDLEC](https://knowngood.sh/site/www.mdlec-ancenis.fr.md) — www.mdlec-ancenis.fr · business · FR · 1 of 5 · llms.txt · can act: no · 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
- [Baumard Michel](https://knowngood.sh/site/www.baumard-michel.com.md) — www.baumard-michel.com · business · FR · 1 of 5 · llms.txt · 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

HTML: https://knowngood.sh/directory?category=plumbing-hvac&tier=1