Wireless sensor networks are the foundation for enabling the Internet of Things (IoT). Synelixis Solutions has designed and implemented customized wireless sensors network architectures and protocols (extended the standard IETF RPL and COAP protocols) to provide secure/trusted and energy efficient sensor connectivity and IPv6 network services for Smart Grid, Smart Cities, Warehouses, Agriculture applications and other industries. Synelixis team supports industries, operators, utilities and city councils and stakeholders to build multi-service, secure, scalable, and resilient Field Area Networks (FAN) and utilize emerging IoT services.