Benedictine College, Atchison, KS - OCLC symbol (OCLC)
Kakanda - Language code (ETLW)
Kelsey Kindred of America (EA)
Kitchen Klutzs of America - Inactive (EA)
Knights of King Arthur (EA)
Koyukuk - Alaska - Airport symbol (OAG)
Kruse Kraft, Tumwater, WA - Manufacturer code for watercraft hull identification number (USCG)