Environmental groups

• Audubon Ohio
• Center for Biological Diversity
• Chesapeake Bay Foundation
• Endangered Habitats League (California)
• Kentucky Resources Council
• National Audubon Society
• National Wildlife Federation/Florida Wildlife Federation
• Natural Resources Defense Council, National Wildlife Federation, Earthjustice, Sierra Club, American Rivers, Riverkeeper Inc., Waterkeeper Alliance, Environmental Defense, Trout Unlimited, National Audubon Society, New York Public Interest Research Group, Defenders of Wildlife and the U.S. Public Interest Research Group
• Seattle Audubon Society
• West Virginia Rivers Coalition

Also

• Wildlife Management Institute

Government (Federal and state)

• American Association of State Highway and Transportation Officials
• Arizona Game and Fish Dept.
• California Assn. of Flood Control Agencies
• California Department of Transportation
• Environmental Protection Agency
• Federal Emergency Management Agency
• Fish and Wildlife Service
• FWS, West Virginia field office
• Fish and Wildlife Service-Puerto Rico
• Hawaii Dept. of Health (Section 401 WQ certification comments)
• International Assn. of Fish and Wildlife Agencies
• Iowa Department of Natural Resources
• Kansas Dept. of Wildlife and Parks
• Kentucky Transportation Cabinet
• Missouri Dept. of Transportation
• Northern Colorado Water Conservancy District
• South Dakota Department of Game, Fish and Parks, Division of Wildlife
• Texas Parks & Wildlife Dept.
• Virginia Water Protection Permit Program

Businesses, associations

• Alabama Power
• American Gas Association
• The Associated General Contractors pf America (Construction trade association)
• Association of State Floodplain Managers
• Burlington Northern & Santa Fe Railway
• Foundation for Environmental and Economic Progress (Includes "large entrepreneurial landowners")
• International Council of Shopping Centers
• National Association of Flood and Stormwater Management Agencies
• National Mining Association
• National Mitigation Banking Association
• Sheppard, Mullin, Richter & Hampton LLP (Law firm representing clients who have gone through or are involved w/ NWP program)
• Unified comments of real estate industry (NAHB, ICSC, National Association of Realtors, The Real Estate Roundtable, National Multi-Housing Council/National Apartment Association, National Association of Industrial and Office Properties),
• Utility Water Act Group (on Hunton & Williams stationery)
• Western Urban Water Coalition (submitted under letterhead of law firm Perkins Coie)
• West Virginia Coal Association

Academia

• Scientists (sent under U-Georgia letterhead)