Profile: Nielsen Enterprises, Inc. offers patterns and molds. Our molds include permanent molds, plastic injection molds and investment cast molds. We deal with a range of building prototypes from a wide variety of materials that include wood, plastic, stereo-lithography, metal, styrene and composites. Our Surfcam is used worldwide for 2D and 3D mechanical design, surface modeling, solid modeling, reverse engineering, prototyping, mold-making, pattern-making and production machining.