| Organizations performing similar types of work |
| Id | Name | Address | State | Established | Total Income |
| 1 | Trustees Of Reservations | 572 Essex St, Beverly, MA 01915-1530 | MA | 1935-01 | $69,222,592 |
| 2 | Urban Land Institute | 1025 Thomas Jefferson St Nw, Washington, DC 20007-5201 | DC | 1941-12 | $58,407,051 |
| 3 | Open Space Conservancy Inc | 1350 Broadway Rm 201, New York, NY 10018-0983 | NY | 1980-10 | $42,597,746 |
| 4 | Natural Lands Trust Incorporated, Hildacy Farm | 1031 Palmers Mill Rd, Media, PA 19063-1006 | PA | 1964-03 | $40,926,182 |
| 5 | Scenic Hudson Land Trust Inc | 1 Civic Center Plz Ste 200, Poughkeepsie, NY 12601-3157 | NY | 1983-05 | $32,762,002 |
| 6 | Western Pennsylvania Conservancy | PO BOX R, Mill Run, PA 15464-0167 | PA | 1951-05 | $30,124,526 |
| 7 | Wilderness Society | 1615 M Street Nw, Washington, DC 20036-3209 | DC | 1942-05 | $29,657,640 |
| 8 | New Jersey Conservation Foundation, Bamboo Brook | 170 Longview Rd, Far Hills, NJ 07931-2623 | NJ | 1965-01 | $23,768,953 |
| 9 | Sonoma Land Trust | 966 Sonoma Ave, Santa Rosa, CA 95404-4814 | CA | 1976-08 | $22,549,566 |
| 10 | Foothills Land Conservancy | 373 Ellis Ave, Maryville, TN 37804-5824 | TN | 1986-03 | $14,346,648 |
| 11 | Peconic Land Trust Incorporated | 296 Hampton Rd, Southampton, NY 11968-5030 | NY | 1989-03 | $13,999,475 |
| 12 | Big Sur Land Trust | 509 Hartnell St, Monterey, CA 93940-2825 | CA | 1978-05 | $13,493,199 |
| 13 | Maine Coast Heritage Trust | 1 Bowdoin Mill Is Ste 201, Topsham, ME 04086-1270 | ME | 1971-01 | $13,388,325 |
| 14 | Little Traverse Conservancy Inc | 3264 Powell Rd, Harbor Spgs, MI 49740-9469 | MI | 1974-05 | $12,158,209 |
| 15 | Friends Of Acadia | PO BOX 45, Bar Harbor, ME 04609-0045 | ME | 1988-01 | $12,115,021 |
| 16 | Triangle Land Conservancy Inc | 1101 Haynes St Ste 205, Raleigh, NC 27604-1455 | NC | 1983-07 | $11,414,925 |
| 17 | D & R Greenway Land Trust Inc | 1 Preservation Pl, Princeton, NJ 08540-6700 | NJ | 1990-05 | $10,502,791 |
| 18 | Columbia Land Trust | 1351 Officers Row, Vancouver, WA 98661-3856 | WA | 1998-03 | $10,329,283 |
| 19 | National Park Trust Inc | 401 E Jefferson St Ste 102, Rockville, MD 20850-2617 | MD | 1991-11 | $546,796 |
| 20 | Eastern Shore Land Conservancy Inc | PO BOX 169, Queenstown, MD 21658-0169 | MD | 1991-01 | $3,703,540 |
| 21 | Land Preservation Trust Inc | PO BOX 433, Luthvle Timon, MD 21094-0433 | MD | 1986-08 | $2,275,982 |
| 22 | Howard County Conservancy Inc | PO BOX 175, Woodstock, MD 21163-0175 | MD | 1991-11 | $553,857 |
| 23 | American Chestnut Land Trust Inc | PO BOX 2363, Prnc Frederck, MD 20678-2363 | MD | 1987-06 | $343,751 |
| 24 | Friskys Wildlife & Primate Sanctuary Inc | 10790 Old Frederick Rd, Woodstock, MD 21163-1306 | MD | 1998-04 | $99,742 |
| 25 | Lower Shore Land Trust Inc | 9931 Old Ocean City Blvd, Berlin, MD 21811-1141 | MD | 1993-02 | $95,300 |
| 26 | Harford Land Trust Inc | PO BOX 385, Churchville, MD 21028-0385 | MD | 1991-07 | $84,695 |
| 27 | Cecil Land Trust | 135 E Main St, Elkton, MD 21921-5932 | MD | 1999-04 | $81,006 |
| 28 | Patuxent Tidewater Land Tr, Mattison Gorman Lindsay Ttee | PO BOX 1955, Leonardtown, MD 20650-1955 | MD | 1997-06 | $3,316 |
| 29 | Central Maryland Heritage League Inc | PO BOX 721, Middletown, MD 21769 | MD | 1990-08 | $0 |
| 30 | Long Green Valley Conservancy Inc | Po Box 37, Hydes, MD 21082 | MD | 1996-01 | $0 |
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