3D Guys
Offers CAD services, prototypes design assistance and rapid prototyping services for new inventions.
Advanced Concepts
Providing engineering and rapid prototype services to industry, medicine and the serious hobbyist.
AMS Phoenix Company
Scale models and prototypes for architects, the toy industry, motion pictures, and commercial and industrial corporations.
Medical Diagnostic Inventions
This is a group of inventors who will assist others in developing medical diagnostic products and environmental testing systems.
Patent Café - Inventors' Prototype Directory
List of inventor-friendly prototyping resources.
Persevere Engineering Solutions
Innovations consultancy providing feasibility studies and first-prototyping services at minimum cost.
Prototypes Industrial Directory
Industrial directory for prototype equipment, supplies and services.