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Kenniston Machine Kenniston Machine
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Business Details
38 Years
experience
Precision Machining Solutions Provider
Since 1988, Kenniston Machine has been a family-owned provider of precision machined parts, combining advanced technology with decades of expertise to serve industries ranging from biopharmaceutical to marine. Our Mechanical Design Department offers end-to-end solutions, from prototyping to full-scale manufacturing, ensuring alignment with exact customer specifications. With over 100 years of combined machining experience, we utilize state-of-the-art CNC equipment and conventional machinery to deliver defect-free production. Our MIL-1-45208A compliant quality control system employs advanced inspection tools traceable to U.S. National Bureau of Standards, guaranteeing precision at every stage. Located in Rockland, Maine, we maintain climate-controlled facilities and inventory systems tailored to client needs.

Our commitment to innovation is reflected in our use of SolidWorks, AutoCAD, and SurfCam software for 3D modeling and design. By integrating supply chain management with secondary processes, we streamline production efficiency. Our team of certified professionals, including licensed mechanical engineer Casey Kenniston, prioritizes customer collaboration to solve complex engineering challenges. This dedication to excellence has established us as a trusted partner for industries requiring precision-critical components. Through continuous investment in technology and workforce development, we maintain our reputation for superior quality and service.
Services
CNC Milling Mechanical Design Quality Control Prototyping Conventional Machining 3D Modeling Supply Chain Management Inventory Services
Details
  • Year established: 1988
Highlights and features
  • We offer 100+ years of combined machining experience.
  • Our facility uses state-of-the-art CNC and conventional machinery.
  • We maintain MIL-1-45208A compliant quality control systems.
  • Our engineers utilize SolidWorks and AutoCAD for precision design.
  • We provide end-to-end supply chain management solutions.
Associations and certifications
  • MIL-1-45208A
Update Listing
Services
CNC Milling
Our CNC milling services utilize advanced Okuma and Mori-Seiki equipment to produce complex components with tight tolerances. Capable of vertical and horizontal machining up to 41" dimensions, we serve industries requiring high-precision parts. With automated tool changers and 5-axis capabilities, we ensure accuracy within 0.0001" for aerospace, medical, and industrial applications.
Mechanical Design
From concept to production, our mechanical design department offers 3D modeling, reverse engineering, and prototype development. Using SolidWorks and AutoCAD software, we create detailed 2D drawings and digital models. Licensed engineer Casey Kenniston leads projects from single components to complete systems, ensuring designs meet functional requirements and manufacturing constraints.
Quality Control
Our MIL-1-45208A compliant quality control system features coordinate measuring machines, optical comparators, and hardness testers. We perform inspections at all production stages using equipment traceable to U.S. National Bureau of Standards. Temperature-controlled environments and documented procedures ensure consistent quality for critical aerospace, power generation, and marine components.
Prototyping
We offer rapid prototyping and short-run production using CNC machining and conventional methods. Our engineers collaborate with clients to refine designs through iterative testing. With in-house tooling and 8,000 sq ft facilities, we transition prototypes to full-scale manufacturing while maintaining strict quality standards for biopharmaceutical, lighting, and industrial applications.
Conventional Machining
Our conventional machining capabilities include Bridgeport mills, engine lathes, and surface grinders for specialized projects. Skilled technicians operate Clausing Colchester and Hardinge equipment to produce precision components when traditional methods are optimal. This complements our CNC services for customers requiring hybrid manufacturing approaches or legacy part reproduction.
People
Casey Kenniston
Licensed Mechanical Engineer
Graduate of Worcester Polytechnic Institute with expertise in mechanical design and system analysis. Leads engineering projects from concept to production, utilizing advanced CAD software and 30+ years of industry experience to solve complex manufacturing challenges.
Questions
What industries do you serve?
We serve power generation, biopharmaceutical, marine, lighting, and fiber mold industries with precision machining solutions.
What quality standards do you follow?
Our quality control system complies with MIL-1-45208A military specifications and uses equipment traceable to U.S. National Bureau of Standards.
What machining capabilities do you have?
We offer CNC milling (vertical/horizontal), conventional machining, 3D modeling, and prototyping with tolerances down to 0.0001".
How long have you been in business?
Kenniston Machine & Engineering has provided precision machining services since 1988, with over 100 years of combined team experience.
Do you handle full production runs?
Yes, we manage prototype development through full-scale production with inventory systems tailored to customer requirements.
What design software do you use?
Our engineers utilize SolidWorks, AutoCAD, and SurfCam for 3D modeling, reverse engineering, and detailed 2D drawings.