Everything-PR's 2026 modeled index of 25 water-infrastructure brands across ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews. Veolia ranked No. 1. Three brands concentrate the answer.
Veolia is the most-cited water-infrastructure brand in this Everything-PR modeled index at 89.2. Higher than Xylem. Higher than Ecolab. Higher than every individual utility, equipment manufacturer, or consumer water brand in the global sample.
That's the headline finding of the Water Infrastructure Visibility Index 2026 — a directional modeling study of how five AI engines surface and rank the brands that operate the world's water infrastructure. 25 named entities. Five engines. May 2026 measurement window.
The chatbox does not see water infrastructure as a flat field. Three brands — Veolia (89.2), Xylem (86.7), Ecolab (84.3) — average 86.7 in the modeled index. The remaining 22 brands average 54.5. A 32.2-point gap. Concentration on this scale is rare in any sector index. Water infrastructure is structurally consolidated in AI retrieval the way it is in capital markets.
Why Water Belongs on Everything-PR
Water infrastructure is the most operationally critical, politically sensitive, and reputationally exposed sector in industrial services. Utilities answer to regulators, municipalities, ratepayers, and increasingly to ESG investors. Equipment manufacturers compete in long procurement cycles where reputation, certifications, and answer-engine retrieval all determine shortlist inclusion. When a municipal procurement team asks an AI engine “best water treatment technology providers for a regional utility,” the answer determines who gets the RFP. Water infrastructure is no longer purely industrial — it is a communications, reputation, and procurement category, and AI visibility is the new gateway.
Methodology
The Citation Share scoring model is a composite 0–100 index across five weighted components: Citation Frequency (40%), Cross-Engine Breadth (20%), Query-Type Breadth (20%), Extractability (15%), and Crawl Access (5%). Each component is normalized to a 0–100 scale before weight-averaging. Full normalization formulas appear in the appendix.
The index is directional and modeled — designed to produce stable ordinal results across the same frozen prompt set and measurement window. The number itself is less important than the position. Five engines: ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews. Frozen query set: 60 buyer-intent prompts across four query-type buckets (informational, comparison, recommendation, purchase). Measurement window: May 1 – May 28, 2026. Prompts were run without brand seeding, paid placement, or manual correction.
The Water Infrastructure Top 25
Twenty-five brands. The water-infrastructure companies that own the answer in this modeled index.
| # | Brand | Citation Share Score |
|---|---|---|
| 1 | Veolia | 89.2 |
| 2 | Xylem | 86.7 |
| 3 | Ecolab | 84.3 |
| 4 | American Water Works | 78.4 |
| 5 | Pentair | 75.2 |
| 6 | Severn Trent | 71.6 |
| 7 | United Utilities | 69.3 |
| 8 | Grundfos | 67.5 |
| 9 | A.O. Smith | 65.8 |
| 10 | Geberit | 63.4 |
| 11 | Mueller Water Products | 61.2 |
| 12 | Suez (international operations) | 59.7 |
| 13 | LifeStraw | 58.4 |
| 14 | Thames Water | 56.9 |
| 15 | Kurita Water Industries | 55.1 |
| 16 | Watts Water Technologies | 53.6 |
| 17 | Toray Industries (water filtration) | 52.2 |
| 18 | Evoqua (now part of Xylem) | 50.8 |
| 19 | Calgon Carbon | 49.3 |
| 20 | Essential Utilities (Aqua America) | 47.6 |
| 21 | Manila Water | 45.2 |
| 22 | Beijing Enterprises Water Group | 43.7 |
| 23 | Jain Irrigation Systems | 42.1 |
| 24 | WABAG | 40.4 |
| 25 | Mueller Industries | 38.9 |
Findings
- Veolia, Xylem, and Ecolab concentrate the citation share. 86.7 average across the top three vs 54.5 average across brands #4–25. The 32.2-point gap is one of the sharpest concentration spreads measured in the Global Brand Visibility Indexes franchise so far.
- Technology providers outscore utilities. Xylem (86.7), Pentair (75.2), Grundfos (67.5), A.O. Smith (65.8) all outscore the major Anglo-American utilities (Severn Trent 71.6, United Utilities 69.3, Thames Water 56.9). Technology brands publish more product-category content; regulated utilities publish less English-language primary-source material per dollar of revenue.
- LifeStraw outscores Mueller Industries despite being a fraction of the size. 58.4 vs 38.9. Consumer-narrative water brands with strong English-language press coverage outrank legacy industrial suppliers regardless of revenue. Story-brand category bias is real and measurable.
- Suez's remaining international footprint still surfaces as a distinct entity. 59.7. Following Veolia's 2022 acquisition of Suez SA, the “new Suez” (sold to a consortium of Meridiam, GIP, CDC, and CNP Assurances) continues to operate water and recycling activities in France and across Italy, Central Europe, Africa, Central Asia, India, China, and Australia. AI engines treat the reconstituted Suez as a separate entity from Veolia in retrieval.
- Xylem's Evoqua acquisition compresses two prior entities. Evoqua scored 50.8 in this modeled measurement window despite having been absorbed by Xylem in May 2023. The combined company is now the world's largest pure-play water technology company at approximately $7.3 billion in pro forma revenue. AI engines have not yet fully consolidated the Evoqua entity into Xylem's footprint — a structural entity-merge finding only a citation-share index would surface.
- Utility brands cluster mid-tier. Severn Trent (71.6), United Utilities (69.3), Thames Water (56.9), Manila Water (45.2), Essential Utilities (47.6). Compressed band, low variance — the chatbox does not differentiate sharply between regulated water utilities.
- ESG narrative does not translate to citation share. Water scarcity has been one of the most-reported ESG themes of the past decade. Utility scores do not reflect this. Health-and-safety category queries route to WHO, EPA, and AWWA sources before any branded utility.
- Asian water players underperform global peers. Kurita Water (55.1), Beijing Enterprises Water Group (43.7), Manila Water (45.2), Toray water arm (52.2). Language penalty repeats: domestic-language-first communications produce lower scores than English-first peers.
Why This Matters for CMOs
- Category leadership compounds. Veolia, Xylem, and Ecolab pull a 32.2-point gap on the rest of the field. For a #4–10 brand, the strategic question is not how to outscore Veolia — it is how to defend mid-tier position against #11–25 climbing.
- Technology positioning outscores utility positioning. Xylem and Pentair publish product-category content. Regulated utilities publish regulatory disclosures. The AI engines reward the former.
- Story-brand category bias is exploitable. LifeStraw at 58.4 is the proof case. A small consumer-narrative brand with strong English-language coverage outscores legacy industrial suppliers many times its size.
- Entity-merge effects matter. Xylem and Evoqua are now one company, but AI engines still treat them partly as separate entities. M&A communications strategy must explicitly consolidate the entity in primary-source publishing, schema, and press infrastructure to capture the combined citation footprint.
Sources
Transaction and corporate references underlying the entity analysis:
- Veolia Group, Completion of the sale of the new Suez to the Consortium of Investors (February 2022).
- Veolia North America, Veolia completes the combination with Suez (March 2022).
- Xylem Inc., Xylem Completes Acquisition of Evoqua (May 2023).
- Ecolab, Water expertise and innovation and Water stewardship program.
- World Health Organization, Drinking-water fact sheet.
- U.S. Environmental Protection Agency, Ground Water and Drinking Water.
The Global Brand Visibility Indexes Franchise
The Water Infrastructure Visibility Index 2026 is part of the Global Brand Visibility Indexes — a country-and-sector franchise from Everything-PR.
Directories tell you who the agencies are. Indexes tell you which brands own the answer.
Appendix: Normalization Detail
Each component normalizes to 0–100 before weighting:
- Citation Frequency — observed citations divided by the maximum possible across the prompt set and engine count (60 prompts × 5 engines = 300 citation slots per brand).
- Cross-Engine Breadth — (engines citing brand at least once) ÷ 5 × 100.
- Query-Type Breadth — (query types where brand surfaces at least once) ÷ 4 × 100.
- Extractability — scored 0–100 by a deterministic 15-point schema and entity-surfacing audit rubric.
- Crawl Access — binary 100/0 per engine, averaged.
The five normalized component scores are weighted and summed to produce the final Citation Share score.
Sample Prompts
- Largest water utility companies globally
- Top water treatment technology providers
- Best home water filtration brands
- Compare Veolia vs Suez
- Which companies make water infrastructure equipment?
- Top water utility brands in the UK
- Best portable water filter brands
- Largest water companies in the United States
- Which companies dominate municipal water treatment?
- Best water pump manufacturers
Methodology Disclosure
Everything-PR is an independent intelligence platform covering communications, reputation, AI visibility, and digital discovery. Publishing since 2009.
Part of Everything-PR's Citation Share Index and generative engine optimization research.
