Large Part Precision Machining Services
AS9100 & ISO 9100 Certified Contract Machining | ITAR Registered
At Greno Industries, we specialize in high-precision contract machining for large-scale, complex components. Combining decades of engineering expertise with state-of-the-art equipment, we handle challenging material specifications and strict dimensional tolerances. We are a trusted manufacturing partner to industry leaders across sectors where component failure is not an option.
Our Core Precision Machining Capabilities
Advanced machining configurations tailored for high-tolerance, large-scale industrial components.
Heavy Component & Large Part CNC Machining
Equipped with massive vertical and horizontal machining centers, we possess the unique capability to handle heavy components and large-scale parts that standard machine shops cannot accommodate. Our infrastructure is built to secure, maneuver, and machine heavy forgings and castings with absolute structural control.
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Multi-Axis CNC Milling
Our 3-axis and 4-axis CNC milling setups deliver the versatility required for complex geometries, precise slotting, pocketing, and contouring. Utilizing advanced toolpaths and rigid workholding, we achieve exceptional surface finishes on tough alloys, reducing cycle times while maintaining blueprint tolerances.
Large Diameter CNC Turning
With vertical and horizontal turning lathes capable of swinging diameters up to 90 inches, Greno handles oversized shafts, rings, and cylinders. Our heavy-duty turning equipment provides the necessary torque and rigidity to execute deep cuts and fine finishes on high-strength materials.
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In-House Deep Hole Gun Drilling
Greno provides specialized deep hole gun drilling services to produce exceptionally straight, deep holes with superior internal surface finishes. This specialized internal capability eliminates multi-vendor shipping delays and ensures single-source quality control for critical shafts, cylinders, and blocks.
Next Step: Read About Our Gun Drilling Services
Custom Industrial Fastener Manufacturing
We manufacture specialty, high-strength fasteners designed to withstand extreme pressure, thermal cycling, and corrosive environments. From custom-threaded studs to heavy hex bolts, our fasteners meet strict military, aerospace, and power generation specifications.
See Our Full Machining and Manufacturing Capabilities
Watch the video below to see our full capabilities and take a virtual facility tour.
Serving Mission-Critical Industrial Sectors
Our machining protocols are strictly aligned with the quality tracking, material traceability, and non-destructive testing requirements mandated by elite OEMs and global supply chains:
Power Generation & Turbomachinery: Precision components for aeroderivative gas turbines, steam turbines, and heavy industrial power systems.
Aerospace & Defense: AS9100 certified components engineered to perform under extreme mechanical stresses and flight-critical environments.
Maritime & Unmanned Systems: Specializing in corrosion-resistant alloy machining for subsea, naval, and unmanned undersea vehicle (UUV) applications.
Accelerate Your Production Timeline
Submit your custom engineering blueprints, material specifications, and compliance requirements directly to our estimating team for an accurate Request for Quote (RFQ).