| 1 | Huaxin Environmental Engineering (ezhou) CO., LTD. | China | Ezhou | Group 5, Baihong Village, Yanji Town | Hubei | 436000 | N/A | 2013 | $104,142,245,565 | 32 | N/A | N/A | 420700000076918 |
| 2 | Jiangyou Haitian Hongfei Environmental Protection CO., LTD. | China | Jiangyou | No.657, Fujiang Road(m. Section) | Sichuan | 621700 | N/A | 2016 | $41,523,550,600 | 67 | N/A | N/A | 510781000079340 |
| 3 | China Energy Conservation And Environmental Protection Group | China | Beijing | China Energy Conservation Building, No. 42 Xizhimen North Street | Beijing | 100082 | N/A | 1989 | $6,715,101,063 | 211 | N/A | N/A | 100000000010315 |
| 4 | Autostrade Per L'italia SPA | Italy | Roma | Via Alberto Bergamini 50 | Roma | 00159 | essediessespa.***** | 1950 | $6,155,452,678 | 5,086 | N/A | N/A | IT07516911000 |
| 5 | Boskalis Environmental B.V. | Netherlands | Papendrecht | Rosmolenweg 20 | Zuid-holland | 3356 LK | environmental.***** | 1978 | $4,613,088,893 | 50 | N/A | N/A | 24276501 |
| 6 | Anas SPA | Italy | Roma | Via Monzambano 10 | Roma | 00185 | stradeanas.***** | 1950 | $4,422,892,360 | 8,096 | N/A | N/A | IT02133681003 |
| 7 | Sichuan Shengtai Environmental Protection Industry Group CO., LTD. | China | Chengdu | 19th Floor, Building B, No. 151 Tianfu Second Street, Chengdu Hi | Sichuan | 610095 | N/A | 2013 | $1,379,546,439 | 56 | N/A | N/A | 510109000407343 |
| 8 | Mineralz B.V. | Netherlands | Waalwijk | Van Hilststraat 7 | Noord-brabant | 5145 RK | mineralz.***** | 2023 | $1,322,003,493 | 416 | N/A | N/A | 09074050 |
| 9 | Cfs B.V. | Netherlands | Weert | Wetering 14 | Limburg | 6002 SM | vangansewinkel-cfs.***** | 2018 | $1,322,003,493 | 22 | N/A | N/A | 13029791 |
| 10 | Ballast Nedam Milieutechniek B.V. | Netherlands | Nieuwegein | Ringwade 71 | Utrecht | 3439 LM | ballast-nedam.***** | 2024 | $1,303,512,914 | 19 | N/A | N/A | 33114301 |
| 11 | China National Environmental Protection Group | China | Beijing | No.jie-42, Xizhimen North St., Haidian District | Beijing | 100000 | N/A | 1985 | $1,221,535,192 | 126 | N/A | N/A | 100000000003287 |
| 12 | Siic Environment Holdings LTD. | Hongkong | Hung Hom | Rm 1307a 13/f Two Harbourfront | Kowloon City District | N/A | N/A | 2017 | $1,048,329,378 | 45 | N/A | N/A | 68346369 |
| 13 | Berliner Stadtreinigungsbetriebe (bsr) | Germany | Berlin | Ringbahnstr. 96 | Berlin, Stadt | 12103 | greenrecovery.***** | 2009 | $913,969,783 | 6,858 | N/A | N/A | 10623A33292B |
| 14 | Crystal Clean, INC. | USA | Hoffman Estates | 2000 Center Dr Ste C300 | Cook | 60192 | crystal-clean.***** | 1974 | $709,331,000 | 1,848 | N/A | N/A | 4364417 |
| 15 | Gp Groot Inzameling En Recycling B.V. | Netherlands | Alkmaar | Boekelerdijk 13 | Noord-holland | 1812 LV | gpgroot.***** | 2007 | $694,472,906 | 416 | N/A | N/A | 37063890 |
| 16 | Gp Groot Sloopwerken En Saneringen B.V. | Netherlands | Alkmaar | Boekelerdijk 19 | Noord-holland | 1812 LV | gpgroot.***** | 2022 | $694,472,906 | 14 | N/A | N/A | 37066550 |
| 17 | Eni Rewind SPA | Italy | San Donato Milanese | Piazza Marcello Boldrini 1 | Milano | 20097 | eni.***** | 1989 | $611,008,102 | 1,009 | N/A | N/A | IT09702540155 |
| 18 | Societa' Autostrada Torino Alessandria Piacenza SPA | Italy | Torino | Via Giuseppe Maria Bonzanigo 22 | Torino | 10144 | satapweb.***** | 1960 | $571,997,342 | 416 | N/A | N/A | IT00486040017 |
| 19 | Autostrada Del Brennero SPA | Italy | Trento | Via Berlino 10 | Trento | 38121 | autobrennero.***** | 1959 | $561,691,464 | 914 | N/A | N/A | IT00210880225 |
| 20 | Van De Klok Milieu B.V. | Netherlands | Nijmegen | Kanaalstraat 200 | Gelderland | 6541 XN | vandeklok.***** | 1992 | $533,663,644 | 1 | N/A | N/A | 10145942 |
| 21 | Ahz Holding B.V. | Netherlands | Panningen | John F. Kennedylaan 256 | Limburg | 5981 WX | N/A | 2019 | $533,663,644 | 19 | N/A | N/A | 74239570 |
| 22 | Autostrada Brescia Verona Vicenza Padova SPA | Italy | Verona | Via Flavio Gioia 71 | Verona | 37135 | autobspd.***** | 2006 | $525,823,268 | 398 | N/A | N/A | IT03614140238 |
| 23 | Hepaco, LLC | USA | Norwell | 42 Longwater Dr | Plymouth | 02061 | N/A | 2024 | $450,373,082 | 550 | N/A | N/A | 5079277 |
| 24 | PT. Securindo Packatama Indonesia | Indonesia | Sawah Besar | Komp. Mangga Dua Mas Blok A No. 11-12 | Special Capital Region of Jakarta | 10730 | secureparking.***** | 1992 | $429,288,000 | 12,000 | N/A | N/A | AHU-0018090.AH.0 |
| 25 | Los Angeles County Sanitation Districts | USA | Whittier | 1955 Workman Mill Rd | Los Angeles | 90601 | lacsd.***** | 1924 | $423,606,346 | 1,700 | N/A | N/A | N/A |
| 26 | Kept Companies, INC. | USA | Fairfield | 26 Law Dr | Monmouth | 07004 | keptcompanies.***** | 2018 | $353,286,846 | 950 | N/A | N/A | N/A |
| 27 | Qidi Environmental Sanitation Technology (beijing) Group CO., LTD. | China | Beijing | A1101, Floor 11, Building 8, No.1 Courtyard, Zhongguancun E. Roa | Beijing | 101100 | N/A | 2014 | $349,176,026 | 42 | N/A | N/A | 110000017225088 |
| 28 | Milano Serravalle Milano Tangenziali SPA | Italy | Assago | Via del Bosco Rinnovato 4/a | Milano | 20057 | serravalle.***** | 1951 | $342,357,568 | 586 | N/A | N/A | IT00772070157 |
| 29 | Tecsan Ingenieria Ambiental S.A. | Argentina | Cidade Autónoma de Buenos Aires | Avenida Sarmiento 4000 | Ciudad Autónoma de Buenos Aires | C1425FHN | N/A | 1999 | $301,078,071 | 110 | N/A | N/A | 30705066155 |
| 30 | Blue Phoenix France B.V. | Netherlands | Rotterdam | Watermanweg 106 A | Zuid-holland | 3067 GG | bluephoenix-group.***** | 2020 | $295,895,002 | 480 | N/A | N/A | 78302064 |
| 31 | Jiangxi Green Recycling CO., LTD. | China | Yichun | Ziyuan Xunhuan Liyong Industry Base, Fengcheng | Jiangxi | 331100 | N/A | 2010 | $295,596,840 | 291 | N/A | N/A | 360981110001627 |
| 32 | Brandenburg Industrial Service Company | USA | Elmhurst | 501 W Lake St Ste 204 | Dupage | 60126 | brandenburg.***** | 1968 | $279,352,908 | 750 | N/A | N/A | 53586678 |
| 33 | Sprint Sanierung GMBH | Germany | Köln | Dusseldorfer Str. 334 | Köln, Stadt | 51061 | sprint.***** | 1988 | $277,903,067 | 1,427 | N/A | N/A | 50670B28662 |
| 34 | Bilfinger Industrial Services Nederland B.V. | Netherlands | Rotterdam | Waalhaven O.z. 123 | Zuid-holland | 3087 BM | is-bnl.***** | 2017 | $269,571,096 | 767 | N/A | N/A | 20035820 |
| 35 | Sunfoods (thailand) Company LIMITED | Thailand | Chatuchak | 1/97-98 Phahon Yothin Road Soi Phahon Yothin 40 | Bangkok | 10900 | N/A | 2016 | $268,857,739 | 45 | N/A | N/A | 0105559126372 |
| 36 | Ploegmakers Groep B.V. | Netherlands | Den Bosch | Vinkelsestraat 70 A | Noord-brabant | 5383 KM | ploegam.***** | 1993 | $267,223,715 | 422 | N/A | N/A | 16086863 |
| 37 | Societa' Di Progetto Concessioni Del Tirreno SPA | Italy | Tortona | Strada Statale Per Alessandria 6/a | Alessandria | 15057 | N/A | 2021 | $249,479,832 | 738 | N/A | N/A | IT02679930061 |
| 38 | Societa' Autostrade Alto Adriatico SPA | Italy | Trieste | Via Vittorio Locchi 19 | Trieste | 34143 | autovie.***** | 2018 | $241,677,532 | 596 | N/A | N/A | IT01310930324 |
| 39 | Ontex Retail UK LIMITED | Unitedkingdom | Potten End | Grovelands Business Park | Hertfordshire | HP2 7TE | ukosplc.***** | 2004 | $227,492,968 | 19 | N/A | N/A | 01613466 |
| 40 | Hanlan (xiamen) Gufei Treatment CO., LTD. | China | Xiamen | 33/f, Zhongmin Building, No.72, Hubin North Rd., Siming Dist. | Fujian | 361013 | N/A | 2006 | $224,555,784 | 113 | N/A | N/A | 350200400025645 |
| 41 | So.g.i.n. Societa' Gestione Impianti Nucleari Per Azioni | Italy | Roma | Via Marsala 51/c | Roma | 00185 | sogin.***** | 1999 | $222,107,646 | 815 | N/A | N/A | IT05779721009 |
| 42 | Awb Abfallwirtschaftsbetriebe Köln GMBH | Germany | Köln | Maarweg 271 | Köln, Stadt | 50825 | awbkoeln.***** | 2014 | $221,933,220 | 1,776 | N/A | N/A | 50670B81974 |
| 43 | National Response CORPORATION | USA | Great River | 3500 Sunrise Hwy Ste 200 | Suffolk | 11739 | nrcc.***** | 2019 | $219,555,778 | 800 | N/A | N/A | 2280536 |
| 44 | Napoli Holding SRL | Italy | Napoli | Via Giambattista Marino 1 | Napoli | 80125 | N/A | 2002 | $203,007,194 | 19 | N/A | N/A | IT07942440632 |
| 45 | Sweeping CORPORATION Of America, LLC | USA | Cleveland | 4141 Rockside Rd Ste 100 | Cuyahoga | 44131 | sweepingcorp.***** | 2017 | $202,809,223 | 1,500 | N/A | N/A | 000201336 |
| 46 | Veolia Holding Mexico, S.A. De C.V. | Mexico | Miguel Hidalgo | Av. Ejercito Nacional No. 425 Piso 8 | Distrito Federal | 11520 | veolia.***** | 1988 | $189,777,462 | 2,250 | N/A | N/A | PMA881128Q28 |
| 47 | Ea Engineering, Science, And Technology, INC., Pbc | USA | Hunt Valley | 225 Schilling Cir Ste 400 | Baltimore County | 21031 | eaest.***** | 1973 | $184,845,240 | 440 | N/A | N/A | 2101291 |
| 48 | Concessioni Autostradali Venete Cav SPA | Italy | Venezia | Via Bottenigo 64/a | Venezia | 30175 | cavspa.***** | 2008 | $184,789,834 | 214 | N/A | N/A | IT03829590276 |
| 49 | Amcs International LIMITED | Ireland | Ballysimon | City East Plaza, Floor 6 Block C | Cork | V94 56R2 | N/A | 2021 | $180,273,156 | 1,178 | N/A | N/A | 698774 |
| 50 | Frontline Road Safety Blocked Holdings, LLC | USA | Grand Prairie | 2714 Sherman St | Dallas | 75051 | stripe-a-zone.***** | 2020 | $176,423,246 | 208 | N/A | N/A | N/A |