Who is janjanco electronics? Janco Electronics is an ISO 13485:216 certified, people-first electronic contract manufacturer and assembly company in Rollinsford, NH serving the defense, medical, commercial, industrial, automotive, aerospace, and telecommunications industries.Why janco thermoforming? With about 60 years of service, Janco is a family-owned contract manufacturer, specializing in high-quality and cost-effective thermoforming and compression-molded services for both medical and industrial markets. We work with you from concept and design to the assembly and packaging of your product to deliver unbeatable results on every project.Who is the jan companies? Today, The Jan Companies is one of the largest privately owned restaurant operators in New England. With strong family ownership and leadership from the second generation of the Janikies family, The Jan Companies is poised for continued growth and expansion.