98% of our business is from returning customers.
See why professional engineers & designers keep coming back to Prototek!

  • No minimums. We’ll do one part.
  • Hit your deadlines! We offer parts in as little as 1-3 days.
  • We don’t reject complex jobs. In fact, we specialize in the impossible.
  • Had problems with other companies? Our experts ask questions before your part is made.

1. Upload a file or multiple files at once and we’ll quickly return a quote(s).
2. We ask questions to make sure you get the best parts for your money.

Prototek works with 1,000s of the best companies of all sizes!

John Hopkins

Prototek's Capabilities

We will bid on most any prototype even when other companies won't.

Here is a list of our capabilities but they don't stop there - we specialize in the impossible.

Want to talk to someone about a job, upload a file for quote or call us now.


No CAD Model, No Problem – Quotes Within 24hrs

| Parts & Assemblies – One Stop Shop | No Order Too Small | Expedited Parts in 1-3 Days |

Prototek Process

  • Fast-Flexible Personalized Service
  • Quotes in 24 Hours
  • Same Day or Emergency Jobs – Call 1-800-403-9777
  • Precision Sheet Metal Parts & Assemblies in as Fast as 1-3 Days
  • CNC Milled and Turned Parts in as Fast as 1-3 Days
  • Finishing Options in House – No Added Delivery Time
  • We Bid Complex Jobs – Don’t Get No Bid
  • Silk Screening and Laser Engraving
  • ISO-9001 Certified, ITAR Registered
  • Estimates With or Without CAD Models


  • 5 Axis Milling
  • Horizontal Milling
  • Vertical Milling
  • 9 Axis Mill-Turn
  • Turning
  • Surface Grinding
  • Polishing
  • Lapping
  • CNC Routing
  • Welding / Post Weld Machining
  • Heli-Coils / Hardware Inserts

Sheet Metal

  • Engineering
  • Laser Cutting / Punching
  • Material Graining
  • Drilling / Countersinking / Tapping
  • Forming / bending
  • Hardware Insertion
  • Tig Welding
  • Mig Welding
  • Welded Assemblies
  • Welded Frames
  • Weld Grinding
  • Spot Welding

Additive Manufacturing (3-D Printing)

  • Direct Metal Laser Sintering (DMLS)
  • Fused Deposition Modeling (FDM)
  • Selective Laser Sintering (SLS)
  • Stereolithography (SLA)
  • Poly-Jet Printing


  • Powder-coating
  • Painting
  • Silk-screening
  • Laser engraving
  • Chem-film
  • Anodizing
  • Bead blasting
  • Tumbling


  • Manufacturing Engineering
  • Tooling and Fixture Design/Fabrication
  • Electro-Mechanical Services
  • Small Parts Assembly
  • Wire Harnessing
  • Laser Cutting – Polymers and Metals
  • Insert Installation

Plastic Fabrication

  • Plastic Thermo-Forming/Bending
  • Annealing
  • Cryogenic De-Flashing & Deburring
  • Plastic Welding
  • Thermal, Adhesive, and Mechanical Bonding
  • Vapor Polishing
  • Radiological Film-Cutting Services


  • Wire EDM Cutting
  • Water Jet Cutting

Quality Assurance

  • Quality Engineering
  • CMM Inspection Services
  • First Article and AQL Inspections
  • ISO 9001-2015 Certified
  • FDA Registered
  • Compliance and Document Control




We have three locations that cover the US.

We deliver parts ANYWHERE in the US in as little as 1-3 days!

Prototek US locations


West Coast / Silicon Valley Location

1178 Sonora Ct Sunnyvale, CA 94086
Phone (408) 730-5035
Email info@prototek.com

Mid West Location

900 Cheyenne Ave Grafton, WI 53024
Phone (262) 375-5952
Email info@prototek.com

East Coast Location

244 Burnham Intervale Rd Contoocook, NH 03229
Phone 1-800-403-9777
Email info@prototek.com

Meeting with Prototek In-Person

Today, most of our business happens by getting experts on the phone an on-line but we know sometimes customers want to visit our manufacturing facilities or brainstorm design options in-person. To arrange a facilities tour or in-person meeting, please call us at 1-800-403-9777.

Our Work

Roomba® Prototype We developed some of the first critical components for one of the most well-known consumer robots. Helping them get to market faster.
US Military Chassis The United States Military proudly trusts us to develop parts for their most foundational and reliable vehicles.
Segway® Prototype We manufactured precision components for one of the most innovative transportation units in the world.

Our Licenses and Certifications

At PROTOTEK, expertise and quality are paramount.
Click below to view our Licenses and Certifications.

Our commitment to on-time delivery of quality products is unparalleled. The sole mission of our expert team is to work with our clients to yield high-caliber parts and components at a cost-effective price.

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