Best Waste & Water Management Companies in Los Angeles, United States
The 37 best Waste & Water Management companies in Los Angeles, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sylmar Group.
Our analysis of 50 Waste & Water Management companies
$2.9b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Waste & Water Management companies in Los Angeles
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sylmar Group Provider of industrial water treatment services 29Funding top 19%Talent top 38%News bottom 47%Global bottom 36% All 5 signals ▾Fundingtop 19% Talenttop 38% Newsbottom 47% Globalbottom 36% Marketbottom 18% Funding: Raised $130M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $130M | 6 mo ago | Funding Raised | Michael Warady Co-Founder | 2019 | — | — | — |
| 2 | OriginClear Provider of wastewater treatment services | $32M | 46 mo ago | Public | — | 2007 | WordPress Block EditorWordPressMySQL+24 | 11 patents Advanced wastewater treatment and algae-based contaminant removal technologies. | — |
| 3 | Cadiz Provider of waste-water treatment services | $27M | 78 mo ago | Public | Susan K Chairman & Chief Executive Officer | 1983 | WordPressMySQLPHP+25 | — | — |
| 4 | Arensis Provider of waste to energy solutions | $17M | 96 mo ago | Funding Raised | Julien Uhlig Founder & CEO | 2016 | — | — | — |
| 5 | Natural Ocean Well Provider of water management services 55Innovation top 20%Growth top 28%Patents top 28%Funding top 39% All 7 signals ▾Innovationtop 20% Growthtop 28% Patentstop 28% Fundingtop 39% Globalbottom 46% Techbottom 43% Marketbottom 15% Innovation: 56 patents (top 28% of patent-holders) · 47 filings since 2022 vs 9 in 2017-21 Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 55/100 | $16M | 21 mo ago | Series A | — | 2019 | WebflowApple iCloud MailMicrosoft 365+10 | 56 patents Submerged seawater desalination with integrated green hydrogen generation and brine management. | — |
| 6 | Mote Provider of wood waste recycling services 37Funding top 31%Patents top 31%Innovation top 35%Moat bottom 49% All 6 signals ▾Fundingtop 31% Patentstop 31% Innovationtop 35% Moatbottom 49% Globalbottom 40% Marketbottom 20% Funding: Raised $14.4M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Patents: 19 patents matched (strict assignee match) · 17 filings since 2022 vs 2 in 2017-21 rank vs industry peers · Fliar Intelligence Index 37/100 | $14M | 19 mo ago | Series A | — | 2017 | — | 19 patents Biomass gasification feedstock prep, low‑grade heat recovery, and tar‑removal integration | — |
| 7 | Dyrt Provider of food waste management services 9Funding top 42%Talent bottom 45%Tech bottom 35%Global bottom 33% All 5 signals ▾Fundingtop 42% Talentbottom 45% Techbottom 35% Globalbottom 33% Marketbottom 11% Funding: Raised $4.7M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 9/100 | $5M | 21 mo ago | Series A | Lee Robinson Founder & CEO | 2020 | Cart FunctionalitySquarespace CommerceSquarespace+11 | — | — |
| 8 | T2M Global Provider of services to convert waste to energy 53Patents top 36%Innovation top 37%Funding bottom 48%Tech bottom 44% All 6 signals ▾Patentstop 36% Innovationtop 37% Fundingbottom 48% Techbottom 44% Productbottom 44% Globalbottom 37% Patents: 23 patents matched (strict assignee match) · 23 filings since 2022 vs 0 in 2017-21 Innovation: 23 patents (top 48% of patent-holders) · 23 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $4M | 16 mo ago | Funding Raised | — | 2017 | — | 23 patents Cloud-based video gaming platforms and streaming infrastructure for interactive entertainment | — |
| 9 | Active Membranes Developer of electro-active membrane technology for desalination and water treatment 27Talent top 38%Moat top 48%Funding bottom 46%Market bottom 40% All 5 signals ▾Talenttop 38% Moattop 48% Fundingbottom 46% Marketbottom 40% Globalbottom 36% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Moat: Editorial + unicorn rating 4/10 · 9 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 27/100 | $2M | 15 mo ago | Seed | Eric Hoek Co-Founder | 2022 | — | — | — |
| 10 | Shift Energy Holdings Provider of municipal waste to biomass energy producing services | $1M | 148 mo ago | Seed | Rodney Alves CEO | 2014 | — | — | — |
| 11 | ClimateMinder Irrigation solutions provider for agriculture, golf, landscaping, and water management | $763K | 166 mo ago | Acqui-Hired | Bulut Ersavas Founder | 2005 | — | 2 patents Integrated irrigation and climate control technologies for precision agriculture | — |
| 12 | Retold Recycling Provider of clothing recycling services | $300K | 42 mo ago | Funding Raised | — | 2018 | Cart FunctionalityShopifySentry+38 | — | — |
| 13 | Greenbelt Resources Waste-to-energy solutions provider, converting waste into biofuels and valuable byproducts | $172K | 144 mo ago | Public | Darren Eng CEO & President | 2001 | — | — | — |
Top 12 Waste & Water Management companies in Los Angeles
#1
Funding Raised · Los Angeles, California · founded 2019 · 6 employees$130Mraised▾
Provider of industrial water treatment services
- Feb 2026Conventional Debt$130M
#2
Series A · Los Angeles, California · founded 2017 · 10 employees$14.4Mraised▾
Provider of wood waste recycling services
- Feb 2025Series A$13.1M
- Aug 2023Grant (prize money)$1.2M
#3
Series A · Los Angeles, California · founded 2019 · 8 employees$16.5Mraised▾
Provider of water management services
- Nov 2024Series A$11M
- Dec 2022Seed$3.5M
- Jan 2021Seed$2M
#4
Funding Raised · Los Angeles, California · founded 2017$4.3Mraised▾
Provider of services to convert waste to energy
- May 2025Grant (prize money)$1.6M
- Jun 2021Grant (prize money)$2.5M
- Aug 2019Grant (prize money)$150K
#5
Seed · Los Angeles, California · founded 2022$2.3Mraised▾
Developer of electro-active membrane technology for desalination and water treatment. The technology addresses fouling and scaling challenges, simplifying process design with minimal pre-treatment needs. It enhances freshwater recovery while reducing capital and operating costs. The membranes are manufactured in standard spiral wound module sizes, fitting into existing pressure vessels and systems. Each pressure vessel can be energized independently, allowing flexible deployment.
- Jun 2025Seed$913.4K
- Jul 2024Seed$2.3M
#6
Series A · Los Angeles, California · founded 2020 · 5 employees$4.7Mraised▾
Developer of a food waste management platform designed to provide simplicity for large-scale producers of food waste while bringing compliance to an evolving regulatory environment. The company specializes in web dashboards to visualize and track the impact of composting, with metrics such as CO2e and water conserved, in-vessel composting systems and food waste management, thereby enabling large-scale producers to build the solution to manage food waste.
- Dec 2024Series A$4.7M
- Jun 2023Seed$20K
#7
Public · Los Angeles, California · founded 2007 · 35 employees$31.9Mraised▾
Provider of wastewater treatment services
- Oct 2022Post IPO$25M
- Nov 2021Post IPO$150K
- Dec 2020Post IPO$325K
- Jun 2020Post IPO$105K
#8
Public · Los Angeles, California · founded 1983 · 21 employees$27.3Mraised▾
Provider of waste-water treatment services
- Mar 2020Post IPO$27.3M
#9
Funding Raised · Los Angeles, California · founded 2016$17.2Mraised▾
Arensis is a provider energy generation systems using biomass in the form of pellets and chips for with both hardware and software is provided as part of the solutions offered. Systems are known as ENTRADE waste2energy solutions which are integrated with solar and battery storage systems to provide energy throughout the day. This decentralized utility system is wholly web-based and can be used via mobile applications.
- Aug 2018Conventional Debt$17.2M
#10
Funding Raised · Los Angeles, California · founded 2018 · 7 employees$300Kraised▾
Provider of clothing recycling services
#11
Seed · Los Angeles, California · founded 2014$1Mraised▾
Provider of municipal waste to biomass energy producing services
- May 2014Seed$1M
#12
Acqui-Hired · Los Angeles, California · founded 2005$763Kraised▾
Irrigation solutions provider for agriculture, golf, landscaping, and water management. The company offers a wide array of products and services focused on efficient water use and conservation. These include irrigation systems, sprinklers, controllers, and related components for diverse applications. The company provides training programs, a knowledge center, and various resources like site reports, CAD details, design guides, and technical specifications. The company emphasizes sustainability and offers solutions for water-efficient irrigation, reclaimed water use, and sports turf management. The company also provides support through customer service, a comprehensive warranty, and various online resources. The company is committed to the Intelligent Use of Water™ and offers solutions for homeowners, landscape professionals, golf course managers, and agricultural users.
- Oct 2012Seed$238K
- Mar 2012Seed$145K
- Oct 2010Seed$380K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Waste & Water Management coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Water Treatment is moving in the United States
A read on the academic research around Water Treatment — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,356 United States-affiliated papers.
- University of North Carolina at Chapel Hill127
- Environmental Protection Agency100
- Arizona State University67
- Stanford University66
- Purdue University West Lafayette60
- Adsorption12→68
- Membrane13→53
- Photocatalysis3→26
- Degradation (telecommunications)1→23
- Wastewater9→30
- Adsorption51→158
- Wastewater60→128
- Sewage treatment30→75
- Water quality62→96
- Degradation (telecommunications)11→40
- Water quality51→93
- Sewage treatment8→35
- Wastewater19→43
- Water supply17→30
- Reverse osmosis11→23
Where water treatment is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing water treatment patents in the United States
United States water treatment patent filing is cooling — 3,379 filings from 2,991 assignees (2016–2025), led by Siemens, General Electric, Access Business Group INT; annual filings 397→269.
- Siemens277
- General Electric185
- Access Business Group INT152
- Ecolab USA132
- Evoqua Water TECH116
- D C Water & Sewer Authority81
- Hampton Roads Sanitation Distr77
- 3M Innovative Properties69