Government:
City of Ponchatoula, LA
City of Hammond, LA
Tangipahoa Parish Government
St. John the Baptist Parish Government / Laplace, LA
Louisiana Governor’s Office
Louisiana Lt. Governor’s Office
Louisiana Dept. of Transportation and Development
Louisiana Dept. of Wildlife & Fisheries
US National Park Service
Federal Emergency Management Agency
South Tangipahoa Parish Port Commission (Port Manchac)
Southeastern Louisiana University –
  Center for Southeast Louisiana Studies
  Biological Sciences, Turtle Cove Research Station
  Economic/Business Development Center
  Sociology and Criminal Justice
  Computer Science & Industrial Technology
  Communications and Media Studies
  Small Business Development Center
River Parish Tourism Commission
Tangipahoa Tourism
Greater New Orleans Planning Commission
South Central Regional Planning Commission

Organizations:
Pontchartrain Conservancy
Louisiana Wildlife Federation
National Audubon Society
Land Trust of Louisiana
Tangi Clean
Keep America Beautiful St. John
Save Manchac Coalition
Capitol Resource, Conservation and Development Council
River Region Chamber o Commerce
Laplace Chamber of Commerce
Hammond Chamber of Commerce
Greater New Orleans Louisiana Iris Society Club South Runners
Wetland Watchers Swamp School
Bike Easy
Tangi Trail
The Bayou Haystackers
Manchac Boating Assoc.
National Audubon Society
National Wildlife Federation
Sierra Club Honey Island Chapter
Audubon Delta Chapter
Laplace Lions Club
St. John Coastal Advisory Committee

Businesses:
Entergy
Canadian National Railroad
Ponchatoula Times
Hammond Daily Star
Morning Advocate
X-Press Printing
Cajun Pride Swamp Tours
Frenier Landing Restaurant
Middendorf’s Seafood Restaurant
Fat Boys Seafood Kitchen
Reno’s Seafood
Gators Den
Beacon Lakeside
New Orleans Running Systems, Inc.
Low Road Brewing
Gnarly Barley Brewing
Kayakitiyat
Canoe & Trail Adventures
Bayou Adventures
New Orleans Kayak Swamp Tours
Hidden Adventure Tours
Wild Louisiana Tours
St. Joan of Arc Thrift Shop

The Friends of the Manchac Greenway present a certificate of appreciation to Middendorf’s Seafood Restaurant.