Summit by Fathom //
Why Choose US Injection Molding for Your Next Project?
As an OEM engineer, you understand the challenges of bringing new part designs from concept to production. When considering your injection molding options, the choice between US and offshore manufacturing involves significant tradeoffs that may impact your project timeline, quality control and supply chain resilience.
Summit by Fathom offers comprehensive US injection molding services that provide the speed, quality and flexibility you need to succeed in today’s competitive marketplace. With our American-based manufacturing capabilities, we deliver critical advantages that offshore solutions simply cannot match.
The Summit by Fathom
US Manufacturing Advantage
US injection molding companies offer several advantages compared to overseas manufacturing:
Accelerated Time-to-Market
- Prototype tooling in under 4 weeks
- No international shipping delays
- Real-time collaboration with U.S-based .engineers
- Rapid iteration and problem-solving capabilities
Superior Quality Control
- ISO 9001 certified manufacturing processes
- Direct oversight of all production processes
- More consistent material sourcing
Engineering Partnership
- Face-to-face design collaboration
- Complimentary basic DFM feedback on new projects
- Expert guidance on material selection and tooling strategy

Our US Injection Molding Capabilities
At Summit by Fathom, we’ve invested in state-of-the-art equipment and talent to provide comprehensive US injection molding services under one roof.
Advanced US-Built Tooling
Our fully automated tool room enables us to design and build multiple types of injection molds right here in the USA:
Multi-Cavity Tools // Produce multiple identical parts in a single shot
Family Molds // Create multiple related parts simultaneously
Two-Shot Molding // Combine two materials in a single molding cycle
MUD (Master Unit Die) Tools // Modular tooling for flexibility and cost efficiency
Insert Molding // Integrate metal components during the molding process
Overmolding // Apply soft-touch or functional materials over rigid substrates


Complete Production Capabilities
From prototype to production, Summit by Fathom offers:
- Short-run production for market testing
- Medium-volume manufacturing
- Scalable capacity as demand grows
- Secondary operations and assembly
- Complete quality documentation
Summit by Fathom’s
US Injection Molding Process
Engineering Consultation
Our process begins with a comprehensive review of your project requirements by our local engineering team, who will collaborate with you to optimize your design considering factors such as:
- Part geometry and functionality
- Material selection and properties
- Production volume requirements
- Timeline constraints
- Budget considerations
Tool Build
Based on your production needs, our tool makers will develop a tooling strategy that balances speed, cost and quality. Your tool will be built at Summit by Fathom for rapid deployment.
First Article Production & Validation
After your tool is built by the experts at Summit by Fathom but before full production begins, we produce first article samples for your approval:
- Comprehensive dimensional inspection
- Material certification and testing
- Functional validation
- Surface finish evaluation
US-Based Production & Quality Assurance
Our ISO 9001-certified US manufacturing processes ensure consistent quality throughout your production run:
- Statistical process control
- In-line and final inspection
- Complete material traceability
- Comprehensive documentation
Ongoing Support & Optimization
As your production needs evolve, our Summit by Fathom team provides continuous support:
- Preventative tool maintenance
- Engineering modifications when needed
- Production scaling options
- Value-added secondary operations
Why Choose Summit by Fathom for US Injection Molding
Summit by Fathom offers you the best of both worlds: 80 years of combined injection molding expertise with the cutting-edge capabilities of a modern digital manufacturer. This plastic injection mold USA facility provides:
- Rapid online quoting plus white-glove engineering support
- US supply chain security and reduced logistics complexity
- Expert guidance on design optimization and material selection
- Transparency throughout the entire production process
- A true manufacturing partner invested in your success
Let us help you tackle your next plastic injection molding project!
Additional Resources