- New England Interstate Water Pollution Control Commission
- US Army Corps of Engineers
- US Department of the Interior-National Park Service
- Central Pine Barrens Joint Planning & Policy Commission
- Nassau County (NY)
- Suffolk County – Health Services (Peconic Estuary Program), Parks & Recreation, Planning & Economic Development, Public Works
- Suffolk County Water Authority (NY)
- City of Glen Cove (Nassau County, NY)
- City of Long Beach
- City of New York—Office of Parks & Recreation
- Town of Brookhaven, NY
- Town of Huntington, NY
- Town of Islip, NY
- Town of North Hempstead, NY
- Town of Riverhead, NY
- Town of Smithtown, NY
- Town of Southampton, NY
- Village of Bayville
- Village of Lloyd Harbor, NY
- Village of Mill Neck, NY
- Village of Patchogue, NY
- Village of Ocean Beach, NY
- Village of Old Field, NY
- Village of Quogue, NY
- Village of Saltaire, NY
- Atlantis Marine World (Riverhead, NY)
- Austin Patterson Disston Architects
- Butler Architecture & Engineering
- Certilman Balin Adler & Hyman LLP
- The Creek Club (Lattingtown, NY)
- Diocese of Rockville Centre
- Farrell Fritz P.C.
- Fiddler’s Green Home Owners Association
- Fire Island Pines Property Owners Association
- Forchelli, Curto, Deegan, Schwartz, Mineo, Cohn, & Terrana LLP
- Galvin Brothers, Inc.
- H2M architects + engineers
- Jude Thaddeus Glen Cove Marina/Steamboat Landing
- Lexington Contracting (Lexington, KY)
- LIRO Engineering
- MacLachlan & Eagan
- Mallard Drive Association
- National Grid
- Oak Point Property, LLC (Bronx, NY)
- Our Lady of Mercy Academy (Syosset, NY)
- Point O’ Woods Association
- Port of Egypt Marine
- PW Grosser Consulting
- Remsenburg Marina
- Rise Projects
- RMS Engineering
- RXR Glen Isle Partners
- Shlimbaum & Shlimbaum
- St. John’s Church (Cold Spring Harbor, NY)
- St. Joseph’s College (Patchogue, NY)
- Stop & Shop Supermarket
- Verizon
- VHB Engineering
- The Worrell Group
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