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Business Details
38 Years
experience
Precision Machining & Engineering Services in Rockland, ME
Kenniston Machine has been a trusted provider of precision machined parts since 1988, delivering exceptional quality and superior service to diverse industries. Our family-owned business combines over 100 years of collective machining experience with advanced technologies, including CNC milling, turning, and conventional machining capabilities. The Mechanical Design Department enables us to offer comprehensive solutions from prototyping to full-scale production, ensuring alignment with exact customer specifications. Our MIL-1-45208A compliant quality control system utilizes state-of-the-art inspection equipment, including coordinate measuring machines and optical comparators, in a temperature-controlled environment. We serve critical sectors such as biopharmaceuticals, marine, power generation, and fiber optics, maintaining traceable standards to the U.S.

National Bureau of Standards. With an 8,000-square-foot facility in Rockland, Maine, we provide supply chain management and inventory solutions tailored to client requirements. Our investment in modern machinery, including Okuma and Mori-Seiki CNC systems, ensures precision across prototype, short-run, and production volumes. The team's expertise extends to reverse engineering, 3D modeling, and software-driven design through SolidWorks and AutoCAD platforms. Continuous improvement in manufacturing processes and adherence to rigorous quality protocols remain central to our operations. This commitment to excellence has established Kenniston as a reliable partner for complex mechanical systems and component manufacturing.
Services
Precision Machining Mechanical Design CNC Milling CNC Turning Conventional Machining Prototype Machining Quality Control Supply Chain Management 3D Modeling Reverse Engineering
Details
  • Year established: 1988
Highlights and features
  • Family-owned since 1988 with 100+ years of combined machining experience
  • One-stop service from prototyping to full-scale manufacturing
  • MIL-1-45208A compliant quality control with advanced inspection equipment
  • Modern CNC and conventional machining capabilities in 8,000 sq ft facility
  • Serving specialized industries with tailored supply chain solutions
Associations and certifications
  • MIL-1-45208A
Services
Precision Machining
Our precision machining services utilize advanced CNC equipment to produce complex components with tight tolerances. We combine vertical and horizontal machining centers with multi-axis capabilities for optimal efficiency. The process incorporates quality checks at every stage to ensure compliance with exact specifications.
Mechanical Design
The mechanical design department offers complete system design, reverse engineering, and prototype development. Using SolidWorks and AutoCAD software, we create detailed 3D models and 2D drawings. Our licensed engineers ensure designs meet functional requirements while optimizing manufacturability for cost-effective production.
Quality Control
Our MIL-1-45208A compliant quality control system employs coordinate measuring machines, optical comparators, and hardness testers. All measurements trace back to U.S. National Bureau of Standards. Temperature-controlled environments maintain measurement accuracy across all production phases.
CNC Milling
CNC milling operations utilize Okuma Genos M560-V and MCV-3016 machining centers with 4th/5th axis capabilities. This equipment handles complex geometries in materials ranging from metals to composites. We maintain tolerances within 0.0001 inches for critical applications.
Conventional Machining
Conventional machining services include Bridgeport mills, Colchester engine lathes, and surface grinders. These complement CNC operations for specialized applications requiring manual expertise. Our craftsmen apply decades of experience to maintain precision in non-automated processes.
People
Casey Kenniston
Mechanical Engineer
Casey Kenniston, a licensed Mechanical Engineer, graduated from Worcester Polytechnic Institute. With extensive experience in mechanical system design and manufacturing, he leads engineering efforts at Kenniston Machine.
Questions
What industries does Kenniston Machine serve?
We specialize in biopharmaceutical, marine, power generation, fiber optics, and lighting industries requiring precision components.
What machining capabilities do you offer?
We provide CNC milling, turning, conventional machining, and mechanical assembly services with tight tolerances.
How does your quality control process work?
Our MIL-1-45208A compliant system uses coordinate measuring machines, optical comparators, and temperature-controlled inspection environments.
Do you handle full production cycles?
Yes, from prototype design through production, including supply chain management and inventory solutions.
What design software do you use?
We utilize SolidWorks, AutoCAD, and SurfCam for 3D modeling and 2D drawings.
Where is your facility located?
Our 8,000-square-foot facility operates in Rockland, Maine, with climate-controlled quality control labs.