PLUM® develops payment technology for unattended merchandising, linking vending machines and other self-service transactions with an ERC-20 token, smart contracts, and purpose-built hardware. Its proof-of-concept work demonstrated the purchase of tangible goods from a vending machine using PLUM, building on the team’s experience in vending-machine payment interfaces and blockchain systems. The project is associated with Quotidian Engineering & Development Corp. and collaborators Upstate Networks and Critical Technologies.
QEDQED develops hardware that lets ERC-20 tokens pay for tangible goods through vending machines, coffee equipment, and micro-markets. Its PLUMware platform uses Raspberry Pi-based modules to connect token payments with vending controls, fund handling, and item selection, while the company also offers help creating standard ERC-20 tokens.UTICA, NY
InOne TechnologySince 1993, InOne Technology has built cashless vending technology, including upgrade boards that retrofit existing machines for modern payments and connectivity. The Woodbury Heights company’s OneBoard is made in the United States and is backed by live, experienced support rather than call centers or automated prompts. InOne reports a 98% customer satisfaction rating.SPARKS, MD
Crane Payment Innovations (CPI)Crane Payment Innovations (CPI) is a global payment-technology company known for building quality and continuous improvement into its operations. It develops systems that help businesses handle transactions and cash, while its nationwide service network supports equipment from installation through repair and maintenance.MALVERN, PA
Hamilton Manufacturing CorpSince 1921, Hamilton Manufacturing Corp. has made unattended payment and entry equipment, evolving from coin-operated scales into kiosks, change machines, and cloud software for businesses that operate without staffed points of sale. The Holland, Ohio, manufacturer developed what it describes as the first pay station for car washes in 1982 and now serves car wash and parking operators alongside laundry and amusement businesses.HOLLAND, OH