J G Van Dyke now does business as a subsidiary of Wang Government Services, a Getronics Company. The firm reappears as The Van Dyke Technology Group, in 2002. Van Dyke Technology Group, Inc. provides system engineering services in the areas of information assurance, infrastructure engineering, and network performance engineering to the federal government. It engages in designing and building information networks. The companyâs information assurance services include integrated security architecture, identity and privilege management, certification and accreditation, cross-domain border protection, and vulnerability assessments and penetration testing; infrastructure engineering services comprise secure messaging and directory services, defense message system integration and directory services, secure network centric solutions, Web and portals development, and network engineering; and performance engineering services include performance-based contract engineering, service continuity planning and engineering, organizational performance measurement, and capacity planning, as well as performance measurement, assessment, and diagnosi