Marnlen RFID
http://www.marnlen.com/rfid-about.html

Marnlen RFID designs, manufactures and supplies standard and custom flexible RFID labels. The company's RFID label and rigid RFID tag solutions are designed to perform in harsh environments, as well as on RF-unfriendly products such as those containing metal or water. Marnlen RFID maintains partnerships with a variety of inlay manufacturers and can provide clients with tags suited to their particular environments.