> the government can't actually quite mandate a single vendor like that here; there thereby exist private companies that operate to the TSA specification, and an airport can go with one of them instead. The airport in San Francisco (SFO) is the only one I have ever seen do this, using a vendor named CAS
The following airports utilize the screening partner program: Atlantic City International Airport, Bozeman Yellowstone International Airport, Charles M. Schulz–Sonoma County Airport, Dawson Community Airport, Great Falls International Airport, Glacier Park International Airport, Greater Rochester International Airport, Havre City-County Airport, Jackson Hole Airport, Kansas City International Airport, L. M. Clayton Airport, Orlando Sanford International Airport, Portsmouth International Airport, Punta Gorda Airport, Roswell International Air Center, San Francisco International Airport, Sarasota-Bradenton International Airport, Sidney-Richland Municipal Airport, Sioux Falls Regional Airport, Tupelo Regional Airport, Wokal Field/Glasgow International Airport, Yellowstone Airport