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Chambers of Commerce

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Amityville Chamber

P.O. Box 885
Amityville, NY 11701

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Babylon Village Chamber

P.O. Box 443
Babylon, NY 11702

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Bayport/Blue Point Chamber

P.O. Box 201
Bayport, NY 11705

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Bellport Chamber

P.O. Box 246
Bellport, NY 11713
Phone: (631) 438-1713

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Brentwood Chamber

P.O. Box 41
Brentwood, NY 11717
Phone: (631) 256-7976

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Brookhaven Coalition Chamber

P.O. Box 246
Bellport, NY 11713

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Center Moriches Chamber

PO Box 686
Center Moriches, NY 11934
Phone: (631) 874-3849

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Copaigue Chamber

P.O. Box 8
Copaigue, NY 11726
Phone: (631) 226-2956

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North Fork Chamber

PO Box 1415
Southold, NY 11971
Phone: (631) 765-3161

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East Hampton Chamber

58B Park Place
East Hampton, NY 11937

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East Islip Chamber

P.O. Box 225
East Islip, NY 11730

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East Northport Chamber

24 Larkfield Road
E. Northport, NY 11731
Phone: (631) 261-3573

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East Quogue Chamber

P.O. Box 877
East Quogue, NY 11942
Phone: (631) 728-5555

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Farmingville/Holtsville Chamber

P.O.Box 30
Farmingville, NY 11738
Phone: (631) 317-1738

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Greater Bay Shore Chamber

P.O. Box 5110
Bay Shore, NY 11706

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Greater Fire Island Pines Chamber of Commerce, Inc.

P.O. Box 695
Sayville, New York 11782
Phone: 631-597-3058

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Greater Patchogue Chamber

15 N. Ocean Avenue
Patchogue, NY 11722

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Greater Port Jefferson Chamber

118 West Broadway
Port Jefferson, NY 11777
Phone: (631) 473-1414

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Greater Ronkonkoma Chamber

PO Box 2546
Ronkonkoma, NY 11779
Phone: (631) 963-2796

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Greater Smithtown Chamber

P.O. Box 1216
Lake Ronkonkoma, NY 11787
Phone: (631) 979-8069

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Greater Westhampton Chamber

7 Glovers Lane
Westhampton Beach, NY 11978
Phone: (631) 288-3337

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Hampton Bays Chamber

P. O. Box 632
Hampton Bays, NY 11946
Phone: (631) 728-2211

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Holbrook Chamber

P.O. Box 565
Holbrook, NY 11741
Phone: (631) 471-2725

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Huntington Township Chamber

164 Main St.
Huntington, NY 11743
Phone: (631) 423-6100

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Islip Chamber

P.O. Box 112
Islip, NY 11751
Phone: (631) 581–2720

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Kings Park Chamber

P.O. Box 322
Kings Park, NY 11754
Phone: (631) 269-7678

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Lindenhurst Chamber

PO Box 323
Lindenhurst, NY 11757
Phone: (631) 226-4641

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Mastic/Shirley Chamber

PO Box 4
Mastic, New York 11950
Phone: (631) 399-2228

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Mattituck Chamber

P.O. Box 1056
Mattituck, NY 11952

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Medford Chamber

PO Box 926
Medford, NY 11763

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Montauk Chamber

742 Montauk Hwy.
Montauk, NY 11954
Phone: (631) 668-2428

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Nesconset Chamber

22 Southern Blvd. Suite 111
Nesconset, NY 11767

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Northport Chamber

P.O. Box 33
Northport, NY 11768
Phone: (631) 754-3905

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Port Jefferson/Terryville Chamber

PO Box 446
Port Jefferson Station, NY 11776

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Riverhead Chamber

59 East Main Street
Riverhead, NY 11901
Phone: (631) 727-7600

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Sag Harbor Chamber

P.O. Box 2810
Long Wharf
Sag Harbor, NY 11963

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Sayville Chamber

P.O. Box 235
Sayville, NY 11782
Phone: (631) 567-5257

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Middle Country Chamber

PO Box 65
Centereach, NY 11720
Phone: (631) 681-8708

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Shelter Island Chamber

P.O. Box 598
Shelter Island, NY 11964
Phone: 1 (877) 893-2290

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Southampton Chamber

76 Main Street
Southampton, NY 11968
Phone: (631) 283-0402

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St. James Chamber

P.O. Box 286
St. James, NY 11780
Phone: (631)584-8510

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Three Village Chamber

P.O. Box 6
East Setauket, NY 11733
Phone: (631) 689-8838

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Wading River/Shoreham Chamber

P.O. Box 738
Wading River, NY 11792

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901