The following organizations are also members of the marine mammal stranding network. Because this list may change from time to time, you may refer to to National Marine Fisheries Service Stranding Network Participant page for a complete list.

California
California Academy of Sciences, San Francisco, California (dead strandings in the San Francisco Bay area only)

Pacific Marine Mammal Center , Laguna Beach, California (Orange County)

Long Marine Laboratory, UC Santa Cruz, Santa Cruz, California (dead strandings in Santa Cruz county only)

Marine Mammal Care Center at Fort MacArthur, San Pedro, California (Los Angeles County)

Monterey Bay Aquarium, Monterey, California (sea otters only)

Moss Landing Marine Labs, Moss Landing, California (dead strandings in Monterey County only)

Northcoast Marine Mammal Center, Crescent City, California (Humboldt and Del Norte counties)

Connecticut
Mystic Aquarium, Mystic, Connecticut

Florida
Florida Marine Mammal Stranding Network, Southwest Region

Marine Animal Rescue Society, North Miami, Florida

Florida's Gulfarium, Fort Walton Beach, Florida

Georgia
Georgia Marine Mammal Stranding Network

Louisiana
Louisiana Marine Mammal Stranding Network

Maine
Maine Marine Animal Lifeline

Maryland
National Aquarium in Baltimore, Marine Animal Rescue Program

Massachusetts
New England Aquarium, Boston, Massachusetts

New Jersey
New Jersey Marine Mammal Stranding Center

New York
The Riverhead Foundation for Marine Research and Preservation, Riverhead, New York

Oregon
Freeflight Bird and Mammal Rehab, Bandon, Oregon

Northwest Wildlife Rehabilitation Center, Tillamook, Oregon

Oregon Coast Aquarium, Newport, Oregon

Texas
Texas Marine Mammal Stranding Network

Virginia
Virginia Marine Science Museum, Marine Animal Rescue Program, Virginia Beach, Virginia

Washington
Sarvey Wildlife Center, Everette, Washington

The Progressive Animal Welfare Society, Seattle, Washington

Wolf Harbor Wildlife Rehabilitation Center, Friday Harbor, Washington

International
Caribbean Stranding Network

Seal Conservation Society (list of organizations worldwide that rehab pinnipeds)

Seal Rehabilitation and Research Center, Zeehondencreche, Pieterburen, Netherlands