Precision CNC Machining Services
Precision CNC milling and turning, from prototypes to full production runs.
- AS9100D & ISO 9001:2015 Certified
- ITAR Registered
- 35+ Years of Experience
Prefer to talk? Call (513) 683-5426
35+Years of experience
Prototypeto high-volume production
AS9100D& ISO 9001:2015 certified
ITARRegistered
Expert Manufacturing at Mainstream Waterjet, LLC
We combine advanced CNC machining capabilities with over 35 years of manufacturing experience to deliver precision components for complex applications. From prototypes to full production runs, Mainstream Waterjet offers a high-quality, turnkey solution for demanding industries.
Why Choose Our CNC Machining Services?
- Comprehensive machining workflow – We integrate CNC milling and turning with upstream near-net-shape cutting (via our waterjet services) to reduce machining time, cost and handling.
- High versatility in production volume – Whether you need short-run prototypes or high-volume runs, our machines are ready to scale.
- Broad material capability – We work with aluminum, stainless steel, nickel alloys, titanium, cobalt (Waspalloy), carbon and alloy steels, copper, brass, plastics, glass, carbon fiber and more.
- Quality & compliance you can trust – AS9100D and ISO 9001 certified, and ITAR registered. These credentials reflect our dedication to rigorous documentation, traceability and reliability.
Materials
Diverse Material Capabilities
From exotic alloys to composites, glass, and stone, we have the equipment and expertise to cut and machine a wide variety of materials.
AluminumStainlessNickelTitaniumCobalt (Waspalloy)Carbon SteelsAlloy SteelsCopperBrassPlasticsMarbleGlassCarbon FiberRubberTileStone
Our Process
Near-Net Waterjet Cutting + Precision Machining
Waterjet-cutting parts close to final shape before machining means less material to remove, shorter cycle times, and lower component cost.
- 1
Design Review
We analyze your drawing or model and recommend the most efficient fabrication strategy.
- 2
Near-Net Waterjet Cutting
Parts are cold-cut close to final shape with no heat-affected zone, recast layer, or thermal stress.
- 3
CNC & Swiss Finishing
CNC milling, turning, or Swiss machining brings each part to final form and tolerance in-house.
- 4
Inspection & Delivery
Parts are verified under our AS9100D and ISO 9001:2015 quality system, then delivered.
Our CNC Machining Process & Benefits for You
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- Design review & feasibility – We start by analyzing your part drawing or model for optimal fabrication strategy, including whether near-net cutting (waterjet) then machining is best.
- Near-net shaping to reduce work – By waterjet-cutting material to near-net shape first, we minimize machining cycle time and reduce material waste—delivering savings in cost and time.
- Precision machining – Using state-of-the-art CNC equipment, we finish, bore, tap, mill, and turn with tight tolerances and complex features for high-performance applications.
- Inspection & documentation – Every part is inspected against your specifications; we deliver full documentation, traceability and compliance as required by regulated industries.
- Turnkey delivery – With our integrated services and one-stop-shop mindset, you gain fewer vendors, streamlined logistics, faster lead-times and higher consistency.
Ideal for These Applications & Industries
- Aerospace & defense (structural components, armor plate, honeycomb sandwich structures)
- Automotive (hoods, brackets, prototypes, tooling)
- Medical devices (exotic alloys, precision parts, non-thermal sensitive materials)
- Power generation (turbine components, large structural parts)
- Stone, tile, plastics and composite markets (glass, marble, carbon-fiber)
When precision, reliability and cost-effectiveness matter, you want a manufacturing partner—not just a vendor. Choosing Mainstream means:
- One partner for cutting, machining and finishing
- Fewer hand-offs, simplified logistics
- Faster turnaround and predictable cost
- High-quality parts built to exacting standards
Let us help you accelerate your production, optimize part cost and deliver components that meet spec the first time. Reach out today.
Industries We Serve
Trusted Across Demanding Industries
Our background in aerospace and defense carries into every industry we serve.
Certified & Trusted
Quality Systems Built for Regulated Industries
AS9100D and ISO 9001:2015 certified, ITAR registered, and JCP certified. Our documented quality system supports traceability and consistency on every order.
Click to view certificates
Testimonials
Trusted by Our Partners
Long-term customers on what it’s like to work with Mainstream.
We have been working with Mainstream Waterjet for 15 years. Their service and quality have always been world-class. Quick response, quality product and short lead-times are vital to satisfying our customers’ requirements therefore we have partnered with Mainstream Waterjet as they consistently execute all of this while maintaining a competitive price.
Adam
Mainstream Waterjet is our go-to supplier for waterjet offload capacity. They are quick to respond and even faster at delivering. Their quality is above industry standards, with any issues being addressed same day without question. Recently I collaborated with Mainstream to offload horizontal CNC turning capacity. They quickly responded by purchasing and installing equipment in less than two months. I have now consolidated all of my outsourced turning capacity to Mainstream. They have become the local leader in cost, delivery, and quality for us with a willingness to grow as we grow.
Brian, Director of Operations
FAQ
Frequently Asked Questions
Do you handle both prototypes and production runs?
Yes. Our flexible capabilities handle everything from one-off prototypes to high-volume production runs.
What materials can you CNC machine?
Aluminum, stainless steel, nickel alloys, titanium, cobalt (Waspalloy), carbon and alloy steels, copper, brass, plastics, glass, carbon fiber, and more.
How does near-net waterjet cutting lower machining costs?
By waterjet cutting material close to final shape first, we reduce the amount of machining required, shorten cycle times, improve material utilization, and lower component cost.
Are waterjet cutting and machining done in-house?
Yes. Waterjet cutting and subsequent CNC and Swiss machining are all done in-house in Loveland, OH, so you avoid outsourcing delays, hand-offs, and added logistics.
What certifications does Mainstream hold?
Mainstream is AS9100D and ISO 9001:2015 certified, ITAR registered, and JCP certified. Our quality management system is fully supported by top management and every employee.
How do I request a quote?
Use the contact form at the top of this page, call us at (513) 683-5426, or submit drawings through our full quote request form.
Ready to start your next project?
Talk with our team about your part, materials, tolerances, and timeline.