David Douglas Stone

Peppercoin, Inc. provides software payment services for merchants. It provides small payments suite for various payment models, including pre-paid, subscription and pay-as-you-go with Intelligent Aggregation. The company serves digital, mobile and physical point-of-sale merchants. Peppercoin was founded in 2001 by Silvio Micali and Ronald Rivest and is located in Waltham, MA.

CashStar, Inc. provides omni-channel digital gifting solutions. Its services include client success, solution delivery, risk management, customer care, technical and financial operations. The firm enables retailers and restaurants to drive omni-channel success through the use of prepaid commerce and digital gifting solutions: delivering engaging, intuitive and personalized experiences across channels and devices for both consumer and business purchasers. The company was founded by David Douglas Stone and Steven R. Boal in 2007 and is headquartered in Portland, ME.

Smart Payment Solutions LLC provides payment processing services. The company is based in Arlington, VA.

Vix ERG is an Australian-based company and a member of the Vix Technology Group of companies. The company is a global player in the Automated Fare Collection and Payments industry in transit and delivers solutions ranging from turnkey solutions for small bus operators to large multi-operator, multi-modal solutions supporting large cities or entire countries. Vix ERG products and solutions support a wide variety of payment media including magnetic stripe, smart card and bank issued contactless credit cards.