VectorSum Inc provides engineering and manufacturing solutions across a diverse spectrum of materials and applications: satellite solar arrays, down-hole oil and gas production equipment and fiber reinforced thermoplastic films. VectorSum is engaged to solve difficult problems in the energy sector. The firmâs current business is primarily weighted toward Engineering Services such as Laser Welding, and Product Development. The operations at VectorSum consist of engineering, design, program and project management activities. The firm has both a laser welding unit and a small machine shop for making jigs and fixtures on site as well. Projects examples include automating solar array production for NA