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Radar · Environment in CA

Best Environment Companies in CA, United States

The 54 best Environment companies in CA, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals.

54companies tracked
$0disclosed funding
0unicorns
—have raised
FLIAR INTELLIGENCE · ENVIRONMENT × CA

Our analysis of 90 Environment companies

$38.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

90companies analysed
89%cloud-native stacks
2025funding peak (by rounds)
3unicorns
2015median founding year
130kcombined LinkedIn audience
69%of audience held by top 3
7companies hiring publicly (12 mo)

Ranked: Best Environment companies in CA

#CompanyDisclosed fundingEmployeesTech stackWeb popularitySEO maturityFoundedPatents & IP focusRecent signals
1ENGIE Cofely
efficacité énergétique des bâtiments, énergies locales et renouvelables, transition énergétique…
—268——————
2Hydranautics - A Nitto Group Company
Water is our Earth's most precious resource, yet more than 99 percent of our water is unavailable for life…
—243WordPressMySQLPHP+20Top 5Mrich1963——
3City of Turlock
City of Turlock is a renewables & environment company based out of 156 S Broadway, Turlock, CA, United States.
—227Windows ServerMicrosoft ASP.NETIIS+3Top 10Mbasic———
4LA Sanitation and Environment
As the lead agency for the City of Los Angeles' environmental programs and initiatives, LA Sanitation…
—169—————1 job opening · 1 launch
5Union Sanitary District
Union Sanitary District operates a 33-acre wastewater treatment facility in Union City and provides…
—155——————
6Newell Recycling of Georgia
Newell Recycling, LLC is proud to be one of the nation's premier processors of ferrous and non-ferrous scrap…
—148——————
7San Francisco Department of the Environment
Our Home.
—125DrupalMariaDBPHP+19Top 5Mbasic———
8RAM Associates
RAM Associates is a wind energy meteorological consulting company with 31 years of experience in the industry.
—93———1985——

Funding & investor landscape

$0total disclosed funding
0companies funded
0disclosed rounds
0rounds last 90 days
Prism market signals · United States · country-scoped Prism corpus, 6,440,608 docs

Market landscape — 10 sub-themes by coverage

Share of Environment coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH IN CA · Environment

How research on Environmental Monitoring in CA is moving

A read on the academic research around Environmental Monitoring in CA — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 4,399 papers.

Chinese Academy of Sciences, USGS, and Cary Institute lead California's environmental-monitoring research, focusing on air/water quality and toxic pollutants, with a cautiously optimistic yet contested tone.

4399 papers · stance +0.26 · 23% breakthrough · 32% concern
breakthrough · advancement · concern
top institutions
  • Chinese Academy of Sciences190
  • United States Geological Survey157
  • Cary Institute of Ecosystem Studies112
  • Environment and Climate Change Canada78
  • University of Chinese Academy of Sciences63
leading researchers
Kelly, Vicky · Kelly, Victoria · Catalyst Cooperative · Government Of Canada; Environment And Climate Change Canada · Baldo, Anna · Hartl, Lea
prism intelligence · tone & topics
78% positive · 14% critical tone
HealthSustainabilityAgricultureGovernmentBusinessBiology
▲ Breakthroughs714 · 16%
▲ 13%→17% share
▲1.3× share momentum0 median citations77% since 2021mostly methods-led
Cloud computing and scalability research newly emerged, with scalability papers rising from 2 to 33, signaling rapid infrastructure modernization.
rising sub-themes (early→recent)
  • Air quality index4→49
  • Pollution5→47
  • Water quality9→47
  • Software deployment4→37
  • Scalability2→33
Newly emergingCloud computing 0→25 · Sustainability 0→22 · Earth observation 0→14
Landmark Environmental sensor networks in ecological research · 165 cites
◆ Advancements1,384 · 31%
▼ 36%→29% share
▼0.8× share momentum0 median citations66% since 2021mostly methods-led
Water quality advancement research intensified sharply — papers surged from 27 to 90, now the segment's most-covered sub-topic.
rising sub-themes (early→recent)
  • Air pollution10→83
  • Air quality index16→88
  • Pollution14→83
  • Water quality27→90
  • Pollutant11→58
Newly emergingClimate change 0→28 · Precision agriculture 0→19 · Sustainable development 0→17
Landmark On the Use of Unmanned Aerial Systems for Environmental Monitoring · 649 cites
▼ Concerns996 · 23%
▼ 24%→23% share
▲1.0× share momentum0 median citations71% since 2021mostly empirical
Pollution concern papers tripled from 11 to 102, while human health citations exploded from 2 to 71, intensifying risk-focus.
rising sub-themes (early→recent)
  • Pollution11→102
  • Human health2→71
  • Water quality19→71
  • Pollutant14→64
  • Contamination10→56
Newly emergingPlastic pollution 0→19 · European union 0→19 · Heavy metals 0→18
Landmark Disposable Sensors in Diagnostics, Food, and Environmental Monitoring · 889 cites

Common questions

How many Environment companies are there in CA, United States?
Radar tracks 54 indexable Environment companies headquartered in CA, United States that meet our profile-completeness bar.
What is the total funding raised by Environment companies in CA, United States?
The Environment companies in CA, United States on this list have raised a combined $0 in disclosed equity funding across 0 funded companies.
Which is the highest-funded Environment company in CA, United States?
Funding figures are not yet disclosed for Environment companies in CA, United States.
How many Environment companies in CA, United States are funded?
0 of the 54 Environment companies in CA, United States on this list have disclosed at least one equity funding round.
How many Environment unicorns are there in CA, United States?
None of the Environment companies in CA, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in CA, United States Environment companies?
The most active investors in CA, United States Environment companies on this list include a range of venture and angel investors.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

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