Let’s turn your idea into a reliable, production-ready reality.
We handle the hard part—you get results.
Got a Great Product Idea? Let’s Turn It Into Reality
We turn startup ideas into market-ready products—guiding them from sketch to shelf with design, prototyping, and manufacturing support.


All In One Plastics
About Us
All in One Plastics is a network of seasoned engineers with deep expertise in injection molding.
We offer end-to-end project execution—from part development to mold management—so you can focus on your core business.
Our Services
We offer complete plastic solutions—from part design and mold flow simulation to tooling and injection molding. With global project support and decades of experience, we ensure precision, quality, and efficiency at every stage.

We manage mold performance over time—coordinating repairs, tracking preventative maintenance, and overseeing suppliers to maximize mold life and efficiency…

We identify, evaluate, and connect you with the best-fit manufacturing partners to ensure quality, reliability, and cost-effective part production…

We handle the entire mold process—from project kickoff to final delivery and approval—ensuring timelines, quality, and communication stay on track…
Let’s Build Together
Industries We Serve
At All In One Plastic, we support a wide range of industries including automotive, medical, consumer goods, electronics, packaging, and more—delivering tailored plastic solutions to meet each sector’s unique requirements.
What Makes Us Different
At All In One Plastic, we bring decades of experience, global reach, and expert engineering to deliver high-quality plastic solutions—efficiently and end-to-end.
1
Real-world engineering experience
At All In One Plastic, our team brings deep, real-world engineering experience to every project. This isn’t just textbook knowledge — it’s the kind of hands-on expertise earned through decades of working directly with tooling, design, and production on the factory floor. We’ve faced and solved complex manufacturing challenges across industries, allowing us to anticipate issues, streamline processes, and deliver practical, efficient solutions. Our experience ensures that your plastic parts aren’t just well-designed — they’re optimized for manufacturability, cost-efficiency, and long-term performance.
2
Vendor-neutral
At All In One Plastic, we take a vendor-neutral approach, giving you access to the best-fit suppliers based on your project’s needs—not based on pre-set partnerships. This independence allows us to prioritize quality, cost-effectiveness, and lead time while ensuring you get the most reliable and competitive options from our trusted network of U.S. and international partners.
3
Solution-focused
At All In One Plastic, we take a solution-focused approach to every challenge. Instead of getting stuck on problems, we zero in on what works — finding smart, actionable answers that keep your project on track. Whether it’s design refinement, tooling strategy, or scaling production, our priority is delivering outcomes that meet your goals and timelines.
4
Flexible support
At All In One Plastic, our support is fully flexible. Whether you need help with just one part of your process — like design, prototyping, or tooling — or you want us to manage the entire project from start to finish, we adapt to your needs. Our goal is to fit seamlessly into your workflow and provide value wherever it’s needed most.
5
Global supplier connections with local project management
At All In One Plastic, we combine the reach of a global supplier network with the reliability of local project management. You benefit from competitive international sourcing while working with a U.S.-based team that’s hands-on, accessible, and fully aligned with your quality standards and timelines. It’s the best of both worlds — global efficiency with local accountability.
Why Choose Us
All In One Plastic is a full-service injection molding company led by expert Peter Rupp, delivering high-quality, custom plastic solutions from design to production.
35+ years of experience in injection molding
35+ years of proven injection molding experience delivering quality parts with precision and reliability.
Team of seasoned specialists (20+ years minimum experience)
A skilled team with 20+ years of experience, ensuring expert handling at every stage.
Transparent communication and quality at every step
We prioritize clear communication and maintain high quality throughout every stage of the process.
Trusted U.S. & international supplier network
Reliable partnerships with trusted suppliers across the U.S. and worldwide ensure consistent quality and timely delivery.
The Value We Bring
Expert guidance, global resources, and end-to-end support to turn your plastic part ideas into high-quality, manufacturable products—delivered on time and on budget.
Turn your idea into a manufacturable reality
Cut down time and cost through expert intervention
Solve supplier and tooling issues early
Eliminate internal bottlenecks
Get reliable parts from well-maintained molds
What Our Clients Say
Real feedback from satisfied clients who trust our quality and service
“Amazing service and support, always a fast response time, will definitely use them again!״
Vikram KlineCeo | Marketplace lLC. 
“Amazing service and support, always a fast response time, will definitely use them again!״
Emelia HewittCEO | AlK Networks 