Companies similar to h2owatch.io
Ranked by market relation, semantic similarity, web metadata, technology, category, and language signals.
Top 20 of 250,833,009 candidates
Search took 2108ms · hybrid similarity across Semantil company signals
| # | Domain & description | Country | Industry | Tech / Tier | Traffic | Similarity | Action |
|---|---|---|---|---|---|---|---|
| 1 |
Tap Water Quality Reports by City - Is Your Water Safe?
Check tap water quality for 18,774+ US cities. View contamination reports, safety data & recommended filters for your area.
|
United States | PFAS Testing & Treatment |
No data
|
90.6% | similar profile | |
| 2 |
H2O Insider — Independent Water Filter Reviews
Independent water filter reviews backed by real in-home testing and lab data. Tested, not sponsored.
|
United States | Water Filtration Systems |
Very low traffic
|
90% | similar profile | |
| 3 |
Know Your Water | Free Local Water Quality Reports
Get your free water quality report by ZIP code. Discover contaminants, safety levels, and filtration recommendations for your tap water....
|
— |
No data
|
90.3% | similar profile | ||
| 4 |
ClearWaterScore — Know What's in Your Water
Independent water quality data and filtration recommendations for every US city. EPA-sourced, expert-reviewed.
|
United States | — |
Very low traffic
|
88.8% | similar profile | |
| 5 |
Olympian Water Testing™ | NY, NJ & CT | NELAP Accredited Laboratory Analysis
Regulatory Water Quality Testing Services for Lead; Bacteria; Copper; Potability; Heavy Metals; VOCs; & PFAs. Certified Water Quality...
|
United States | PFAS Testing & Treatment |
Very low traffic
|
88.5% | similar profile | |
| 6 |
WaterFilterMatch - Find the Right Water Filter for Your Water
Free tools to match your water's contaminants to the right certified filter. ZIP-code contaminant lookup, cost calculators, and NSF-verified...
|
United States | — |
Very low traffic
|
88.5% | similar profile | |
| 7 |
The PFAS Project Lab – Studying Social, Scientific, and Political Factors of...
Studying Social, Scientific, and Political Factors of Per- and Polyfluoroalkyl Substances
|
United States | PFAS Testing & Treatment |
53k
medium
|
86.5% | similar profile | |
| 8 |
Gorzelnik Engineering - Your Premier Environmental Engineering Resource
Your Premier Environmental Engineering Resource
|
United States | PFAS Testing & Treatment |
Very low traffic
|
88.3% | similar profile | |
| 9 |
Water Testing Kits - For Lead, PFAS, Bacteria, Radon & More
In-house lab testing for drinking water contaminants including lead, PFAS, bacteria and radon. Fast results with a free expert consultation...
|
United States | Lab Testing Services |
WooCommerce
Advanced
|
63k
medium
|
85.9% | similar profile |
| 10 |
EWG Tap Water Database
Look up your local water system to find out which pollutants might be of concern, and find suggestions on the best kinds of home filters to...
|
United States | Agricultural Research Departments |
No data
|
87.7% | similar profile | |
| 11 |
Water Filtration Systems for New Hampshire | NH Tap
Enjoy cleaner water with a custom NH Tap Whole Home Water Filtration System built specifically with New Hampshire water in mind. Contact us...
|
United States | Water Softeners & Filtration |
WooCommerce
|
Very low traffic
|
87.6% | similar profile |
| 12 |
ZipCheckup — Home Safety Reports by ZIP Code
Free home safety reports based on EPA, CPSC, DOE, and Census data. Check water quality, product recalls, rebates, and more for your ZIP...
|
— |
Very low traffic
|
88.2% | similar profile | ||
| 13 |
Home
Wes Inc. provides industrial, food & beverage, municipal, and reverse osmosis solutions that are reliable and affordable.
|
United States | PFAS Testing & Treatment |
No data
|
87.5% | similar profile | |
| 14 |
US Water Systems Wiki - Water Quality Knowledge Base
Comprehensive water quality knowledge base for US Water Systems sales team. Find symptoms, contaminants, treatments, and solutions.
|
— |
Very low traffic
|
88.1% | similar profile | ||
| 15 |
ERIS | The Environmental Research Institute of the States
The Environmental Research Institute of the States (ERIS) focuses on educational and research issues to improve the environment of the...
|
United States | PFAS Testing & Treatment |
No data
|
87% | similar profile | |
| 16 |
PFAS Water Treatment Service & System - PFAS Treatment Service | ECT2
At ECT2, we combine advanced treatment technology, unmatched real-world experience, and a relentless pursuit of excellence to deliver...
|
United States | PFAS Testing & Treatment |
No data
|
87% | similar profile | |
| 17 |
Free Water & Air Audit by ZIP Code — PFAS, Lead & PM2.5 | WaterAirAudit
Free water and air quality audit by ZIP code. See local PFAS, lead, and PM2.5 levels, learn the health impacts, and get filter...
|
— |
Very low traffic
|
87.3% | similar profile | ||
| 18 |
Comprehensive PFAS and Contaminant Removal | Great America Water
Great America Water provides versatile and economically justifiable PFAS destruction and contaminant removal solutions for wastewater,...
|
United States | PFAS Testing & Treatment |
Very low traffic
|
86.9% | similar profile | |
| 19 |
We flip the script on the chemical pollution crisis
Our planet is facing a chemical pollution crisis, threatening both ecosystems and human health. This needs to change.
|
Sweden | PFAS Testing & Treatment |
82k
medium
|
84.8% | similar profile | |
| 20 |
PFAS Central
PFAS Central provides current and curated information about PFAS, including press, peer-reviewed scientific articles, meetings, job...
|
United States | PFAS Testing & Treatment |
Very low traffic
|
86.8% | similar profile |
Similarity combines curated relation signals and semantic similarity from the Semantil company index.
Try another domain
Enter any domain to see its closest company neighbors.