| 1 | The Davey Tree Expert Company | USA | Kent | 1500 N Mantua St | Portage | 44240 | davey.***** | 1909 | $1,511,081,000 | 10,700 | N/A | N/A | 24861 |
| 2 | Asplundh Tree Expert, LLC | USA | Willow Grove | 708 Blair Mill Rd | Montgomery | 19090 | asplundh.***** | 1945 | $1,155,196,853 | 30,000 | N/A | N/A | 0000020616 |
| 3 | Wright Service CORP. | USA | West Des Moines | 5930 Grand Ave Ste 100 | Polk | 50266 | wrighttree.***** | 1985 | $357,764,028 | 2,500 | N/A | N/A | 88769 |
| 4 | Wright Tree Service, INC. | USA | West Des Moines | 5930 Grand Ave Ste 100 | Polk | 50266 | wrighttree.***** | 1985 | $327,058,559 | 2,500 | N/A | N/A | 420860402 |
| 5 | The F A Bartlett Tree Expert Company | USA | Stamford | 1290 E Main St Ste 2 | Fairfield | 06902 | bartlett.***** | 1907 | $221,897,231 | 2,080 | N/A | N/A | 0016274 |
| 6 | Lewis Tree Service, INC. | USA | West Henrietta | 300 Lucius Gordon Dr | Monroe | 14586 | lewisservices.***** | 2000 | $219,128,177 | 2,950 | N/A | N/A | 161004851 |
| 7 | W. A. Kendall And Company, LLC | USA | Duluth | 2736 Meadow Church Rd Ste 200 | Gwinnett | 30097 | wakendall.***** | 2022 | $187,018,398 | 1,687 | N/A | N/A | H001522 |
| 8 | Savatree, LLC | USA | Bedford Hills | 550 Bedford Rd | Westchester | 10507 | savatree.***** | 2017 | $157,084,270 | 1,840 | N/A | N/A | 6427527 |
| 9 | Green By Nature Landscape Services (tree) PTY LTD | Australia | Sydney | 35 Liberty Rd | New South Wales | 2148 | skylinetreecare.***** | 2015 | $152,193,764 | 2,038 | N/A | N/A | 607265305 |
| 10 | Ets Infrastructure Management PTY LTD | Australia | Melbourne | 62 Industrial Park Dr | Victoria | 3140 | ets.***** | 1995 | $145,038,295 | 1,380 | N/A | N/A | 070013884 |
| 11 | Active Tree Services PTY LTD | Australia | Sydney | Unit 14 198-222 Young Street | New South Wales | 2017 | N/A | 1985 | $144,992,766 | 550 | N/A | N/A | 002919299 |
| 12 | Xylem Tree Experts, INC. | USA | Norfolk | 208 E Plume St Ste 250 | Norfolk | 23510 | xylemtree.***** | 2014 | $131,911,655 | 1,860 | N/A | N/A | 07745581 |
| 13 | Core Tree Care, INC. | USA | Corona | 11762 de Palma Rd Ste 1c-103 | Sonoma | 92883 | coretreecare.***** | 2016 | $125,000,000 | 400 | N/A | N/A | 3948569 |
| 14 | Margaret Street Attorney Services PTY LTD | Australia | Sydney | Level 17 5 Martin Place | New South Wales | 2000 | N/A | 2011 | $124,171,317 | 23 | N/A | N/A | 153446461 |
| 15 | Abc Professional Tree Services INC. | USA | Webster | 201 Flint Ridge Rd Ste 201 | Harris | 77598 | abctree.***** | 2000 | $100,000,000 | 1,500 | N/A | N/A | 3297978 |
| 16 | The Townsend CORPORATION | USA | Muncie | 1015 W Jackson St | Delaware | 47305 | townsendcorporation.***** | 2001 | $92,859,747 | 2,000 | N/A | N/A | 351038926 |
| 17 | Utility Vegetation Services, INC. | USA | Willow Grove | 708 Blair Mill Rd | Montgomery | 19090 | utiliconltd.***** | 2010 | $90,709,928 | 1,000 | N/A | N/A | N/A |
| 18 | Shanghai Fengxian Gardening Virescence Engineering Co.,ltd. | China | Shanghai | No.26, Chengxiang Road, Nanqiao Town, Fengxian District | Shanghai | 201400 | N/A | 1998 | $85,560,176 | 143 | N/A | N/A | 310226000128675 |
| 19 | Davey Tree Expert CO. Of Canada, LIMITED | Canada | Hamilton | 500-611 Tradewind Dr | Ontario | L9G 4V5 | daveytree.***** | 1930 | $77,832,500 | 500 | N/A | N/A | N/A |
| 20 | Asplundh Canada Ulc | Canada | Terrebonne | 3366 Rue Jacob-jordan | Québec | J6X 4J6 | asplundh.***** | 1968 | $77,832,500 | 500 | N/A | N/A | N/A |
| 21 | Family Tree Service, INC. | USA | Laytonville | 41701 Hwy 101 | Mendocino | 95454 | familytree-service.***** | 2003 | $73,566,128 | 13 | N/A | N/A | 2485438 |
| 22 | Zielies Tree Service, INC. | USA | Bruce | 719 N Main St | Rusk | 54819 | zielietreeinc.***** | 2003 | $68,140,184 | 102 | N/A | N/A | Z 003365 |
| 23 | Adelaide Street Care Services PTY LTD | Australia | Adelaide | 586 Regency Road | South Australia | 5083 | N/A | 2016 | $64,013,810 | 5 | N/A | N/A | 613222674 |
| 24 | A & E Arborists Tree Care, INC. | USA | Yuba City | 225 Butte Ave | Sutter | 95993 | aearborists.***** | 2018 | $61,281,331 | 268 | N/A | N/A | 4225152 |
| 25 | Oak Tree Debt PTY LIMITED | Australia | Sydney | Level 28 388 George Street | New South Wales | 2000 | N/A | 2017 | $60,569,037 | 23 | N/A | N/A | 622861741 |
| 26 | 699 Bourke Street Services PTY LIMITED | Australia | Sydney | L 28 200 George St | New South Wales | 2000 | N/A | 2018 | $59,690,766 | 23 | N/A | N/A | 624150072 |
| 27 | Margaret Street Promoter Services PTY LTD | Australia | Sydney | Level 17 5 Martin Place | New South Wales | 2000 | N/A | 2011 | $59,045,780 | 23 | N/A | N/A | 153446210 |
| 28 | Poler Tarim Ve Insaat Anonim Sirketi | Turkey | Eyyübiye | No:343-1 Buyukhan Mahallesi | Şanlıurfa | 63200 | N/A | 2020 | $51,147,049 | 20 | N/A | N/A | 6079 |
| 29 | Reboitech INC | Canada | Saguenay | 112 Rue de la Pinède | Québec | G7N 1B8 | reboitech.***** | 1987 | $39,128,625 | 225 | N/A | N/A | N/A |
| 30 | Tree Scape | Newzealand | Auckland | 21 Huia Rd | Auckland | 1062 | treescape.***** | 1986 | $35,996,687 | 12 | N/A | N/A | 289783 |
| 31 | Pink Magnolia Tree PTY. LTD. | Australia | Melbourne | 20-22 Pitt Street | Victoria | 3053 | N/A | 2007 | $34,855,787 | 74 | N/A | N/A | 127818633 |
| 32 | Lemon Gum Tree PTY. LTD. | Australia | Melbourne | 20-22 Pitt Street | Victoria | 3053 | N/A | 2007 | $34,855,787 | 74 | N/A | N/A | 127818615 |
| 33 | Chinese Elm Tree PTY. LTD. | Australia | Melbourne | 20-22 Pitt Street | Victoria | 3053 | N/A | 2007 | $34,855,787 | 74 | N/A | N/A | 127914185 |
| 34 | Airtree Ventures Group Services Trusco PTY LIMITED | Australia | Sydney | 131-133 Devonshire Street | New South Wales | 2010 | airtree.***** | 2020 | $34,656,448 | 23 | N/A | N/A | 646384732 |
| 35 | Trees Canberra PTY LTD | Australia | Sydney | Level 5 89 York Street | New South Wales | 2000 | N/A | 2024 | $33,071,054 | 23 | N/A | N/A | 674487435 |
| 36 | Trees Coffs Harbour PTY LTD | Australia | Melbourne | Unit 13 219-227 Balaclava Road | Victoria | 3161 | treetops.***** | 2019 | $32,619,684 | 23 | N/A | N/A | 637601515 |
| 37 | A Plus Tree, LLC | USA | Vallejo | 985 Walnut Ave | Solano | 94592 | aplustree.***** | 2022 | $32,541,302 | 180 | N/A | N/A | 3084287 |
| 38 | Trees Central Coast PTY LTD | Australia | Melbourne | Unit 13 219-227 Balaclava Road | Victoria | 3161 | N/A | 2019 | $31,928,965 | 23 | N/A | N/A | 637598924 |
| 39 | Trees Mosman PTY LTD | Australia | Melbourne | Unit 13 219-227 Balaclava Road | Victoria | 3161 | N/A | 2020 | $30,563,448 | 23 | N/A | N/A | 639812338 |
| 40 | Trees Kuringai PTY LTD | Australia | Melbourne | '13' 219-227 Balaclava Road | Victoria | 3161 | N/A | 2021 | $30,563,448 | 23 | N/A | N/A | 650615508 |
| 41 | Oak Tree Retirement Village Taylor PTY LTD | Australia | Spring Hill | 60 Raff St | New South Wales | 4004 | oaktreegroup.***** | 2015 | $30,384,483 | 5 | N/A | N/A | 609572607 |
| 42 | Yunnan Tianzhu Curtain Wall Decorative Engineering Co.,ltd. | China | Kunming | Longquan Road, Lianmeng Town, Guandu District | Yunnan | 650221 | N/A | 1981 | $30,244,590 | 405 | N/A | N/A | 530000100027822 |
| 43 | Ace Tree Enterprise, LLC | USA | Roseville | 508 Gibson Dr Ste 260 | Placer | 95678 | N/A | 2020 | $30,000,000 | 210 | N/A | N/A | 4576089 |
| 44 | Trees Yeodene PTY LTD | Australia | Melbourne | '13' 219-227 Balaclava Rd | Victoria | 3161 | N/A | 2016 | $29,924,943 | 23 | N/A | N/A | 616430589 |
| 45 | Jiangsu Yew Biotechnology CO., LTD. | China | Wuxi | Donggang Town, Xishan District | Jiangsu | 214199 | N/A | 2004 | $29,861,188 | 12 | N/A | N/A | 320205000071999 |
| 46 | Treeserve PTY LTD | Australia | Sydney | 785 Wallgrove Rd | New South Wales | 2175 | bettaburnfirewood.***** | 2014 | $28,888,749 | 120 | N/A | N/A | 169334712 |
| 47 | Trees Newcastle PTY LTD | Australia | Newcastle | Blue Gum Hills Treetops Road | New South Wales | 2287 | treetops.***** | 2019 | $28,717,179 | 23 | N/A | N/A | 637598960 |
| 48 | Trees Nowra PTY LTD | Australia | Melbourne | Unit C3 2a Westall Road | Victoria | 3171 | N/A | 2017 | $28,717,179 | 23 | N/A | N/A | 620192949 |
| 49 | Trees Pennant Hills PTY LTD | Australia | Melbourne | Unit 13 219-227 Balaclava Road | Victoria | 3161 | N/A | 2019 | $28,717,179 | 23 | N/A | N/A | 637599430 |
| 50 | Trees Western Sydney PTY LTD | Australia | Melbourne | Unit 13 219-227 Balaclava Road | Victoria | 3161 | N/A | 2019 | $28,717,179 | 23 | N/A | N/A | 637599216 |