Rapid Prototyping Services

1: Shapeways - Very cheap 3D printing; great community features.
    The Netherlands
    SLS - FDM - PolyJet - Z-Corp - 3D Metal

2: PADT, Inc. - Great engineering services too.
    Tempe, AZ
    SLA - SLS - FDM - PolyJet - RTV - Inj Molding

3: 3D Reprographics - Specialize in architectural models.
    Signal Hill, CA
    SLA - SLS - FDM - PolyJet - Machined Plastic

4: Morpheus Prototypes LLC - Offer finishing and painting services too.
    Torrance, CA
    SLA - SLS - FDM - PolyJet - 3D Printing - RTV

5: ProtoCafe, Inc. - Offer laser engraving and 3D scanning too.
    Redwood City, CA
    SLA - SLS - FDM - PolyJet - 3D Printing - RTV

6: Solid Concepts, Inc. - Multiple USA locations & fast deliveries.
    Valencia, CA
    SLA - SLS - FDM - PolyJet - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC

7: 3Axis Development, Inc. - Offer many services.
    Boynton Beach, FL
    SLA - SLS - FDM - PolyJet - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC - Sheet Metal - Metal Castings

8: Engineering & Mfg Services, Inc. - They also offer 3D scanning and sell 3D printers.
    Tampa, FL
    SLA - SLS - FDM - PolyJet - Z-Corp - 3D Metal - RTV

9: Polyhistor International - Full service design and manufacturing capabilities.
    Jacksonville, FL
    PolyJet - Inj Molding - CNC - Sheet Metal - Metal Castings

10: Quickparts - Wide selection of prototyping processes; great website.
    Atlanta, GA
    SLA - SLS - FDM - PolyJet - RTV - Machined Plastic - Inj Molding - CNC - Sheet Metal - Metal Castings

11: C.ideas Inc. - Great website; many 3D printing materials.
    Cary, IL
    SLA - SLS - FDM - PolyJet - 3D Printing - RTV

12: GPI Prototype & Mfg Services - Direct metal printing makes injection tooling easier.
    Lake Bluff, IL
    SLA - SLS - FDM - PolyJet - Z-Corp - 3D Metal - RTV - Machined Plastic - CNC

13: Vista Technologies LLC - One to three day delivery times.
    Vadnais Heights, MN
    SLA - SLS - FDM - PolyJet - 3D Metal - RTV - Inj Molding - Metal Castings

14: CADM Outsourcing - Global engineering outsourcing firm.
    New York, NY
    SLA - SLS - PolyJet - 3D Metal - RTV - Inj Molding - CNC

15: Design Prototyping Technologies - Can make large SLA parts.
    Syracuse, NY
    SLA - SLS - FDM - PolyJet - RTV - Inj Molding - Sheet Metal - Metal Castings

16: American Precision Prototyping, Inc. - Focus on quality parts.
    Tulsa, OK
    SLA - SLS - FDM - PolyJet - RTV - Machined Plastic - Inj Molding - CNC

17: FastProtos.com - Fast and affordable PolyJet parts.
    Edmond, OK
    PolyJet - 3D Metal - RTV

18: ProtoCAM - Wide selection of prototyping processes.
    Northampton, PA
    SLA - SLS - PolyJet - RTV - Inj Molding - Metal Castings

19: Accelerated Technologies - Has served over 5,000 clients.
    Austin, TX
    SLA - SLS - FDM - PolyJet - 3D Metal - RTV - Inj Molding - Metal Castings

20: Invent-A-Part, Inc. - Simple, easy, and inexpensive.
    Springville, UT
    FDM - PolyJet

21: Metropolis Design - Great design services too.
    North Salt Lake, UT
    SLA - PolyJet - RTV - Machined Plastic - Inj Molding - CNC

22: Applied Rapid Technologies - Top-quality manufacturing engineering.
    Fredericksburg, VA
    SLA - PolyJet - RTV

23: Advanced Design Concepts - Full-service engineering design firm.
    Pewaukee, WI
    PolyJet - RTV - Inj Molding - CNC

24: Five Star Plastics - Low to high volume molding; quotes in 2 hours.
    Eau Claire, WI
    SLA - SLS - PolyJet - RTV - Inj Molding