Rapid Prototyping Services

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

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

3: Rapid Pro Manufacturing - Full-service prototyping & contract manufacturing.
    Longmont, CO
    SLA - SLS - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC - Metal Castings

4: 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

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

6: 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

7: 3 Dimensional Services - Large, global company.
    Rochester Hills, MI
    SLA - SLS - 3D Printing - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC

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

9: Vaupell Inc. - Simple or complex parts with very short lead times.
    Hudson, NH
    SLA - SLS - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC - Metal Castings

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

11: Laser Reproductions - One of the top service bureaus in North America.
    Gahanna, OH
    SLA - SLS - FDM - 3D Metal - RTV - Machined Plastic - CNC

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

13: 3Dproparts - Wide selection of materials for prototyping.
    Lawrenceburg, TN
    SLA - SLS - 3D Printing - 3D Metal - RTV - Machined Plastic - CNC

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

15: Harvest Technologies - High-tech facility with customers world-wide.
    Belton, TX
    SLA - SLS - 3D Printing - 3D Metal - RTV - Machined Plastic - Inj Molding - CNC - Metal Castings