Largest Pollution & Treatment Controls Companies by Market Cap

Largest Pollution & Treatment Controls companies by market cap. The Pollution & Treatment Controls sector has 109 publicly listed stocks with a combined market cap of $66.69 Billion. Veralto Corporation leads the sector with a market cap of $25.81 Billion. This ranking covers all Pollution & Treatment Controls stocks globally — from large-cap industry leaders to mid-cap and small-cap companies — ranked by market capitalization and updated daily.

Total Market Cap (USD)

$66.69 Billion

Companies Listed

109

Largest Company

Veralto Corporation

Top Pollution & Treatment Controls Stocks by Market Capitalization (October 2026)

Top Pollution & Treatment Controls stocks by market capitalization as of October 2026, covering 109 publicly listed companies.

Rank Company Market Cap (USD) Market Cap (Local) Country Price 24h Change 7d Change 24h Volume
1 Veralto Corporation
NYSE:VLTO 		$25.81 Billion $25.81 Billion USA $104.06 +1.23% +2.71% 39.94 Million
2 Zurn Elkay Water Solutions Corporation
NYSE:ZWS 		$7.49 Billion $7.49 Billion USA $44.73 +2.83% -7.54% 24.18 Million
3 KURITA WTR IND.UNSP.ADR 2
F:KWI0 		$4.52 Billion €3.87 Billion Germany €83.00 +0.61% -0.60% 36.00
4 CECO Environmental Corp.
NASDAQ:CECO 		$3.20 Billion $3.20 Billion USA $54.70 -0.26% -6.09% 24.26 Million
5 Fujian Longking Co Ltd
SHG:600388 		$3.03 Billion CN¥20.70 Billion China CN¥16.30 +0.12% +0.25% 235.27 Million
6 Munters Group AB
ST:MTRS 		$2.79 Billion Skr25.92 Billion Sweden Skr142.00 -0.60% +7.33% 23.74 Million
7 CHINA CONCH VENT. HD -01
F:68C 		$1.69 Billion €1.44 Billion Germany €0.81 +2.55% -1.23% 0.00
8 Shanghai Emperor of Cleaning Hi-Tech Co Ltd
SHG:603200 		$1.21 Billion CN¥8.25 Billion China CN¥47.02 -4.72% -1.80% 443.17 Million
9 Jingjin Environmental Protection Co Ltd
SHG:603279 		$1.05 Billion CN¥7.20 Billion China CN¥12.49 +9.27% +13.13% 196.51 Million
10 Central Plains Environment Protection Co Ltd
SHE:000544 		$1.01 Billion CN¥6.88 Billion China CN¥7.06 -0.14% -0.42% 56.88 Million
11 MayAir Technology (China) Co. Ltd. A
SHG:688376 		$887.46 Million CN¥6.06 Billion China CN¥44.84 -3.78% -7.57% 29.89 Million
12 Zhejiang Goldensea Envi Tech C
SHG:603311 		$772.50 Million CN¥5.28 Billion China CN¥22.38 -5.65% -5.17% 101.09 Million
13 Fujian Longma Envi Sanitation
SHG:603686 		$747.72 Million CN¥5.11 Billion China CN¥12.30 -0.65% +0.57% 699.58 Million
14 Runner Xiamen Corp
SHG:603408 		$739.43 Million CN¥5.05 Billion China CN¥11.29 +6.61% +1.16% 57.67 Million
15 Niutech Environment Technology Corp
SHG:688309 		$631.25 Million CN¥4.31 Billion China CN¥54.33 -2.69% -17.44% 33.84 Million
16 Purecycle Technologies Holdings Corp
NASDAQ:PCT 		$602.28 Million $602.28 Million USA $3.33 +5.05% +20.22% 162.05 Million
17 Wuxi Delinhai Environmental Technology Co Ltd
SHG:688069 		$601.66 Million CN¥4.11 Billion China CN¥26.25 -0.64% -14.36% 50.23 Million
18 Hebei Sailhero Environmental
SHE:300137 		$566.91 Million CN¥3.87 Billion China CN¥7.22 -6.23% -11.41% 535.39 Million
19 Sunrise Energy Metals Ltd
AU:SRL 		$513.85 Million AU$726.23 Million Australia AU$13.35 -2.91% -7.03% 16.42 Million
20 Penyao Environmental Protection Co Ltd Class A
SHE:300664 		$471.43 Million CN¥3.22 Billion China CN¥4.26 -2.07% -4.05% 154.04 Million
21 Shanghai Canature Environmental
SHE:300272 		$462.60 Million CN¥3.16 Billion China CN¥5.17 +2.38% -10.24% 219.01 Million
22 ION Exchange (India) Limited
NSE:IONEXCHANG 		$461.52 Million Rs42.68 Billion India Rs347.15 +1.21% -1.27% 4.39 Million
23 Shanghai Sheng Jian Environment Technology Co Ltd
SHG:603324 		$438.56 Million CN¥3.00 Billion China CN¥19.85 -3.64% -6.32% 59.70 Million
24 Nanjing CEC Environmental Protect
SHE:300172 		$403.03 Million CN¥2.75 Billion China CN¥4.07 -1.69% -6.65% 227.43 Million
25 Cambi ASA
OL:CAMBI 		$397.41 Million Nkr3.78 Billion Norway Nkr23.60 +0.00% +3.06% 934.79K
26 Scimee Sci &Tech Co Ltd
SHE:300425 		$370.37 Million CN¥2.53 Billion China CN¥3.71 -1.07% -4.63% 180.91 Million
27 Aduro Clean Technologies Inc. Common Stock
NASDAQ:ADUR 		$364.00 Million $364.00 Million USA $10.27 +3.22% -0.96% 7.21 Million
28 Energy Recovery Inc
NASDAQ:ERII 		$349.15 Million $349.15 Million USA $7.12 +2.45% +7.07% 18.40 Million
29 Shanghai CEO Environmental Protection Technology Co Ltd
SHG:688335 		$321.68 Million CN¥2.20 Billion China CN¥14.85 -3.88% -6.13% 50.26 Million
30 Cadiz Inc
NASDAQ:CDZI 		$298.06 Million $298.06 Million USA $4.71 -0.21% +18.64% 38.45 Million
31 Shenwu Energy Saving Co Ltd
SHE:000820 		$288.56 Million CN¥1.97 Billion China CN¥3.05 -3.79% -11.34% 262.32 Million
32 Zhejiang Tuna Environmental Science & Technology Co Ltd
SHG:603177 		$279.38 Million CN¥1.91 Billion China CN¥9.35 -1.37% -4.88% 83.90 Million
33 Envipco Holding N.V.
AS:ENVI 		$276.61 Million €236.60 Million Netherlands €3.58 +9.31% +10.49% 1.83 Million
34 Anhui Huaqi Environmental Protection Technology Co. Ltd.
SHE:300929 		$270.50 Million CN¥1.85 Billion China CN¥13.99 -2.30% -15.67% 101.43 Million
35 ShenZhen GAD Environmental Technology Co. Ltd.
SHE:300854 		$257.59 Million CN¥1.76 Billion China CN¥12.59 -3.38% -8.17% 72.01 Million
36 Absolent Group AB
ST:ABSO 		$222.34 Million Skr2.07 Billion Sweden Skr182.50 -0.27% -3.18% 40.56K
37 Anhui Yuanchen Environmental Protection Science & Technology Co. Ltd.
SHG:688659 		$180.51 Million CN¥1.23 Billion China CN¥7.71 -2.41% -4.46% 67.84 Million
38 China Ecotek Corp
TW:1535 		$179.53 Million NT$5.70 Billion Taiwan NT$46.05 +0.44% +0.88% 744.36K
39 Waterco Ltd
AU:WAT 		$178.53 Million AU$252.31 Million Australia AU$7.20 +1.84% +4.96% 22.83K
40 Xiongan Kerong Environment Technology Co Ltd
SHE:300152 		$165.85 Million CN¥1.13 Billion China CN¥1.59 +0.00% +0.00% 307.76 Million
41 NX Filtration Holding BV
AS:NXFIL 		$162.55 Million €139.04 Million Netherlands €3.29 +0.15% +1.55% 425.72K
42 Bright Sheland International Co Ltd
TWO:4556 		$139.27 Million NT$4.42 Billion Taiwan NT$104.50 -5.43% -13.64% 31.85 Million
43 Pyrum Innovations AG
OL:PYRUM 		$122.87 Million Nkr1.17 Billion Norway Nkr272.00 +0.00% -8.42% 2.50K
44 Kc Cottrell
KO:119650 		$117.68 Million ₩173.64 Billion Korea ₩1581.67 +0.00% +0.00% 0.00
45 GnBS Engineering Co. Ltd.
KQ:382800 		$115.19 Million ₩169.98 Billion Korea ₩5340.00 -4.47% -12.89% 27.87 Million
46 PYRUM INNOV.AG NA O.N.
F:PYR 		$112.90 Million €96.57 Million Germany €26.00 -1.52% -3.35% 2.06K
47 Suzhou Shijing Environmental Technology Co.Ltd.
SHE:301030 		$100.99 Million CN¥690.13 Million China CN¥3.41 -14.11% -19.19% 559.18 Million
48 Vow ASA
OL:VOW 		$86.79 Million Nkr824.77 Million Norway Nkr2.84 -1.05% -8.97% 39.57 Million
49 Arq Inc
NASDAQ:ARQ 		$75.98 Million $75.98 Million USA $1.77 -4.32% -3.80% 6.02 Million
50 Super Dragon Technology Co Ltd
TW:9955 		$69.43 Million NT$2.20 Billion Taiwan NT$21.10 -0.24% -4.74% 6.56 Million
51 Mirae Asset Daewoo Special Purpose Acquisition Company 4 Co. Ltd
KQ:333430 		$61.13 Million ₩90.20 Billion Korea ₩2940.00 -3.61% -9.26% 2.79 Million
52 Amiad Water Systems Ltd
TA:AMD 		$55.81 Million ILA20.82 Billion Israel ILA682.40 +0.80% -12.76% 48.98K
53 Fluence Corporation Limited
F:4SVE 		$50.84 Million €43.48 Million Germany €0.04 +0.00% +0.00% 0.00
54 Eugene SPAC 1
KQ:187790 		$46.35 Million ₩68.39 Billion Korea ₩2230.00 -3.04% -8.61% 4.39 Million
55 Fluence Corporation Ltd
AU:FLC 		$46.10 Million AU$65.15 Million Australia AU$0.06 -1.72% -10.94% 5.82 Million
56 Fuel Tech Inc
NASDAQ:FTEK 		$45.26 Million $45.26 Million USA $1.48 -5.13% +8.03% 3.33 Million
57 374Water Inc. Common Stock
NASDAQ:SCWO 		$44.12 Million $44.12 Million USA $2.49 -0.40% +3.75% 640.22K
58 BioRem Inc.
V:BRM 		$43.49 Million CA$60.12 Million Canada CA$3.71 -2.37% +0.00% 331.04K
59 Unibios Holdings S.A
AT:BIOSK 		$41.08 Million €35.14 Million Greece €2.02 -2.18% -3.12% 424.03K
60 Co2 Capsol AS
OL:CAPSL 		$36.25 Million Nkr344.47 Million Norway Nkr4.59 +2.23% +9.29% 861.03K
61 Dancomech Holdings Bhd
KLSE:5276 		$34.44 Million RM137.19 Million Malaysia RM0.31 +0.00% -3.13% 1.15 Million
62 Qleanair Holding AB
ST:QAIR 		$30.38 Million Skr282.32 Million Sweden Skr19.00 +0.26% +3.83% 242.67K
63 ARENA.PL S.A. ZY -50
F:8G6 		$28.10 Million €24.04 Million Germany €0.08 -1.25% -4.82% 0.00
64 De.Mem Ltd
AU:DEM 		$25.23 Million AU$35.66 Million Australia AU$0.11 -8.33% +0.00% 3.16 Million
65 Handok Clean Tech Co. Ltd
KQ:256150 		$25.00 Million ₩36.89 Billion Korea ₩4780.00 +0.00% -2.35% 103.42K
66 WOLFTANK-ADISA HLDG O.N.
F:WAH 		$23.75 Million €20.32 Million Germany €4.26 -0.93% -11.62% 300.00
67 Wolftank Group AG
XETRA:WAH 		$23.56 Million €20.15 Million Germany €4.46 +0.68% +7.99% 137.76K
68 Cosmos Technology International Berhad
KLSE:0261 		$23.51 Million RM93.62 Million Malaysia RM0.37 +1.39% +5.80% 15.74 Million
69 Environmental Clean Technologies Ltd
AU:ECT 		$22.34 Million AU$31.58 Million Australia AU$0.09 +0.00% +2.33% 15.44 Million
70 M VEST WATER NK-00227652
F:7YA 		$21.88 Million €18.72 Million Germany €0.63 +5.00% +6.78% 0.00
71 Filter Vision Public Company Limited
BK:FVC 		$21.85 Million ฿701.08 Million Thailand ฿0.32 -3.03% +0.00% 47.55 Million
72 Environmental Group Ltd (the)
AU:EGL 		$20.73 Million AU$29.30 Million Australia AU$0.08 +8.45% -3.75% 7.96 Million
73 GSD Technologies Co. Ltd
TW:6641 		$19.43 Million NT$616.85 Million Taiwan NT$16.90 -1.17% -0.59% 254.32K
74 Wolftank Group AG
VI:WOLF 		$19.01 Million €16.26 Million Austria €3.80 +8.26% +4.97% 27.20K
75 Thermal Energy International Inc.
V:TMG 		$18.55 Million CA$25.64 Million Canada CA$0.15 +3.45% +3.45% 3.56 Million
76 Parkway Corporate Ltd
AU:PWN 		$17.63 Million AU$24.92 Million Australia AU$0.01 +0.00% +12.50% 50.49 Million
77 Brite Tech Bhd
KLSE:0011 		$17.08 Million RM68.04 Million Malaysia RM0.27 +0.00% +0.00% 2.08 Million
78 ClearSign Combustion Corporation
NASDAQ:CLIR 		$16.75 Million $16.75 Million USA $2.46 -0.81% +0.82% 454.12K
79 BEYOND MED TEC. INC. NEW
F:7FM 		$15.19 Million €13.00 Million Germany €0.44 +0.00% +0.00% 852.00
80 Bactiquant AS
CO:BACTIQ 		$14.27 Million Dkr91.18 Million Denmark Dkr2.43 -2.02% +4.29% 644.92K
81 TOMI Environmental Solutions Inc
NASDAQ:TOMZ 		$13.19 Million $13.19 Million USA $1.70 +3.03% +17.24% 719.04K
82 BIO UV Group
PA:ALTUV 		$12.93 Million €11.06 Million France €0.81 -3.11% -4.93% 480.67K
83 Kc Green Holdi
KO:009440 		$11.75 Million ₩17.33 Billion Korea ₩756.00 +0.00% +0.00% 0.00
84 LiqTech International Inc
NASDAQ:LIQT 		$10.64 Million $10.64 Million USA $0.32 +3.96% -11.51% 11.88 Million
85 Euro Tech Holdings Company Ltd
NASDAQ:CLWT 		$10.08 Million $10.08 Million USA $1.36 +4.62% +3.03% 73.46 Million
86 Bawat Water Technologies AB
ST:BAWAT 		$10.07 Million Skr93.56 Million Sweden Skr1.06 +0.95% +16.48% 202.50K
87 Osmosun SA
PA:ALWTR 		$9.00 Million €7.70 Million France €0.93 +2.20% -4.91% 244.39K
88 UV Germi SA
PA:ALUVI 		$8.73 Million €7.47 Million France €2.35 +0.43% +0.86% 24.58K
89 Aeris Environmental Ltd
AU:AEI 		$7.68 Million AU$10.85 Million Australia AU$0.04 +2.33% +7.32% 4.20 Million
90 BAWAT WATER TECHNOLOGIES
F:M5W 		$7.64 Million €6.53 Million Germany €0.08 +19.05% +21.95% 0.00
91 Banka BioLoo Limited
NSE:BANKA 		$7.35 Million Rs679.64 Million India Rs62.50 +0.55% -6.35% 61.86K
92 Sharc International Systems
F:IWIA 		$6.93 Million €5.92 Million Germany €0.04 +0.00% +10.77% 0.00
93 Saxlund Group AB
ST:SAXG 		$6.65 Million Skr61.77 Million Sweden Skr8.58 +4.13% -1.38% 84.91K
94 Rain Enhancement Technologies Holdco, Inc. Class A Common Stock
NASDAQ:RAIN 		$6.17 Million $6.17 Million USA $0.60 +2.51% +7.44% 2.06 Million
95 Premier Products Public Company Limited
BK:PPP 		$6.08 Million ฿195.00 Million Thailand ฿0.65 +1.56% -5.80% 673.40K
96 Horisont Energi AS
OL:HRGI 		$5.74 Million Nkr54.56 Million Norway Nkr1.30 +4.00% -6.14% 955.42K
97 Questor Technology Inc.
V:QST 		$5.42 Million CA$7.50 Million Canada CA$0.27 +3.85% +8.00% 1.03 Million
98 Porvair plc
LSE:PRV 		$4.90 Million GBX40.27 Billion UK GBX872.00 +1.63% +0.23% 756.30K
99 OCEAN-GEOLOOP AS NK -01
F:FQ4 		$3.88 Million €3.32 Million Germany €0.06 -5.97% -15.44% 0.00
100 Sparta Capital Ltd
V:SAY 		$3.61 Million CA$4.99 Million Canada CA$0.02 +0.00% +0.00% 0.00
101 Phoslock Environmental Technologies Ltd
AU:PET 		$3.53 Million AU$5.00 Million Australia AU$0.01 +0.00% +0.00% 6.02 Million
102 CleanCore Solutions Inc.
NYSE MKT:ZONE 		$3.36 Million $3.36 Million USA $0.81 +3.81% +37.24% 59.98 Million
103 Airtouch Solar Ltd
TA:ARTS 		$3.19 Million ILA1.19 Billion Israel ILA29.70 -4.50% -13.16% 7.97 Million
104 Appulse Corp
V:APL 		$2.46 Million CA$3.40 Million Canada CA$0.23 +9.52% +6.98% 43.03K
105 Aker Carbon Capture ASA
OL:ACC 		$2.05 Million Nkr19.52 Million Norway Nkr0.14 +0.00% +0.00% 0.00
106 DevvStream Corp. Common Stock
NASDAQ:DEVS 		$1.82 Million $1.82 Million USA $0.14 +20.69% +21.22% 372.29 Million
107 Current Water Technologies Inc
V:WATR 		$1.66 Million CA$2.29 Million Canada CA$0.01 +0.00% +0.00% 839.99K
108 ATMOFIZER TECHNOL.INC. B
F:J3KA 		$190.10K €162.60K Germany €0.02 +0.00% +0.00% 0.00
109 MYCELX Technologies Corporation
LSE:MYX 		$137.84K GBX1.13 Billion UK GBX46.50 +1.09% -4.12% 711.21K

How Pollution & Treatment Controls Companies Are Ranked by Market Cap

Pollution & Treatment Controls companies are ranked by market cap, the latest share price multiplied by shares outstanding, with each company counted once at its primary listing.

Track real-time market capitalization of largest public companies in the Pollution & Treatment Controls industry. Compare marketcap, analyze stock performance, and discover leading pollution & treatment controls corporations. View all industries