Water treatment systems in Spain
As of 5 November 2026, 715 water treatment systems companies are based in Spain; 3 are hiring right now and Barcelona has the most.
As of 5 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Companies
- 715
- Hiring now
- 3 · 1 new in 30 d
- Largest niche
- Water treatment equipment · 511
- Top city
- Barcelona · 30
- Parent market
- Manufacturing & industry · 61,270
Water treatment systems in Spain, broken down
| companies | share | |
|---|---|---|
| Water treatment equipment | 511 | 71% |
| Water treatment services general | 186 | 26% |
| Other water treatment systems | 55 | 8% |
| Industrial chemicals manufacturers | 24 | 3% |
| Cleaning & household chemicals manufacturers | 16 | 2% |
| Filtration & dust extraction manufacturers | 13 | 2% |
| Pump manufacturers | 8 | 1% |
| Other industrial machinery manufacturing | 7 | 1% |
| Tanks silos & pressure vessel manufacturers | 7 | 1% |
| Household consumer goods manufacturers | 6 | 1% |
| Agrochemical manufacturers | 5 | 1% |
| Industrial cleaning equipment | 5 | 1% |
| Irrigation system manufacturers | 5 | 1% |
| Valve actuator manufacturers | 5 | 1% |
| Ventilation fan manufacturing | 5 | 1% |
| companies · hiring | |
|---|---|
| Self-employed | 73 · 0 |
| 2-10 employees | 339 · 0 |
| 11-50 employees | 253 · 1 |
| 51-200 employees | 42 · 1 |
| 201-500 employees | 5 · 1 |
| 501-1000 employees | 2 · 0 |
| 5001-10000 employees | 1 · 0 |
| companies | share | |
|---|---|---|
| Barcelona | 30 | 4% |
| Madrid | 29 | 4% |
| Alicante/Alacant | 10 | 1% |
| Ametlla Del Valles | 8 | 1% |
| Terrassa | 8 | 1% |
| Gijon | 7 | 1% |
| Llerona (Franqueses Del Valles | 7 | 1% |
| Murcia | 5 | 1% |
| Alcala De Henares | 4 | 1% |
| Boadilla Del Monte | 4 | 1% |
| Elx/Elche | 4 | 1% |
| Huelva | 4 | 1% |
The biggest water treatment systems companies in Spain
The largest companies of the segment, by headcount; job boards and portals left out.
Filter by niche, size, city or hiring, and open the decision makers with verified e-mails.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
The stack of water treatment systems in Spain
From their websites and DNS records, page plumbing left out.
Other segments of manufacturing & industry in Spain
Manufacturing & industry in Spain, the whole market →
Food & beverage production · 9,360 →
Metal fabrication workshops · 7,284 →
Print signage packaging production · 7,243 →
Industrial machinery manufacturing · 6,954 →
Textiles clothing & bedding · 5,799 →
Furniture makers & sellers · 5,334 →
Windows doors & precast concrete · 4,489 →
Handmade craft makers · 4,209 →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
715 water treatment systems companies are based in Spain; 3 are hiring right now and Barcelona has the most. (Breaknorm, 5 November 2026, https://breaknorm.co/market/manufacturing_industry/spain/water_treatment_systems)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ClassificationEvery company is classified from its own website into vertical, sub-vertical and leaf with a confidence score; this page counts industry confidence ≥ 0.7 and country confidence ≥ 0.8.
- Company listRich profiles with a LinkedIn-known headcount only; job boards, directories, portals and non-organisations are left out.
- HiringOpen roles read hourly from the company's own career system.
Water treatment systems in Spain: questions
How many water treatment systems companies are there in Spain?
715 with a confident classification, read from their own websites.
What is a sub-vertical?
The middle level of our industry tree: Manufacturing & industry → Water treatment systems → leaf niches such as water treatment equipment, water treatment services general, other water treatment systems. Each company carries all three with a confidence score.
Can I get the list?
Yes: the first 20 largest are on this page; the full list with verified e-mails is in the product. Counting is free.
Get this segment your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every water treatment systems company in Spain,
with the person who decides
Filter on the segment and the country. Start free, no card.