I am sure there are more but these are the ones I have found so far.
Alabama War Dogs Memorial Foundation
Rancho Coastal Humane Society (RCHS)
Northern Illinois Police K9 Memorial
Michigan War Dog Memorial
Dedication of the US War Dogs Memorial, State of New Jersey.
Located at the Vietnam Veterans' Memorial, Holmdel, New Jersey
Hartsdale Pet Cemetery
America's First and Most Prestigious Pet Burial Grounds
Bristol Township, Pennsylvania
University of Tennessee College of Veterinary Medicine War Dog Memorial
NATIONAL MONUMENT SITE
JBMF, Inc. in coordination with the Offices of the Secretary of Defense and
Secretary of the U.S. Air Force has officially selected Lackland Air Force
Base, San Antonio, Texas
as the location to build the National Monument for Military Working Dog Teams.
War Dogs…America’s Forgotten Heroes
War Dog Memorial