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Business Details
50+ Years
experience
Trusted Precision Machining Services in Oklahoma
K & K Manufacturing was founded in 1967 by LE Ketchum in Tulsa, Oklahoma, with a commitment to precision and personalized service. As a family-owned business, we prioritize treating customers like family while maintaining rigorous quality standards through HUBZone certification and ISO 9001:2015 compliance. Our expertise spans decades of producing precision-machined components for diverse industries including aerospace, defense, oil and gas, and seismic technology. Under current leadership by Sandra Ketchum, the company continues its legacy of excellence with active involvement from multiple generations of the Ketchum family.

Our capabilities include CNC machining, conventional equipment operations, and specialized welding services meeting MIL-STD-2219 and AWS standards. We serve clients across Oklahoma and nationwide through our 20-mile-southwest Tulsa facility, combining advanced technology with traditional craftsmanship. Our team of experienced professionals, including certified welders and multi-generational family members, ensures consistent quality and technical expertise for every project. This enduring commitment to excellence has established us as one of Tulsa's oldest and most trusted precision machine shops.
Services
Precision Machining CNC Machining Inspection Services TIG Welding Military Contracting Conventional Equipment Portable Seismograph Parts Flight Simulator Components Oil Field Equipment Satellite Components
Details
  • Year established: 1967
Highlights and features
  • Family-owned with 55+ years of machining expertise
  • ISO 9001:2015 certified quality management system
  • Specialized MIL-STD-2219 and AWS-D1.2 certified welding capabilities
  • Multi-generational team with deep industry knowledge
  • HUBZone certified for government contracting advantages
Associations and certifications
  • ISO 9001:2015
  • HUBZone Certified
Services
Precision Machining
Our precision machining services produce components with tolerances as tight as 0.0002 inches using advanced HAAS CNC equipment. We serve aerospace, defense, and industrial clients requiring exact specifications. Our capabilities include complex geometries and high-precision parts for critical applications.
CNC Machining
We operate HAAS VF-2 SS and VF-1 CNC machines with high-speed glass scales and 4th axis rotary capabilities. Our programming team creates precision components for military and commercial applications. This technology enables efficient production of complex parts with exceptional accuracy.
Inspection Services
Our inspection services utilize Brown & Sharp Micro-Hite DCC CMM equipment and precision gauges. We verify dimensional accuracy through air gauge, ring gauge, and thread gauge measurements. This ensures all components meet specified tolerances and quality standards.
TIG Welding
Our certified TIG welding services meet MIL-STD-2219 (superseded by AWS-DC17.1) and AWS-D1.2 standards. We perform precision welding for structural components and critical applications. The service includes in-house welding by certified professionals with military specification expertise.
Military Contracting
We manufacture precision components for military equipment including M-1 Abrams Tanks and F-35 Joint Strike Fighters. Our defense contracting capabilities include strict compliance with military specifications. This service leverages our ISO certification and specialized welding expertise.
People
Sandra Ketchum
CEO
Third-generation leader with over 20 years of machining experience. Oversees daily operations and strategic direction while maintaining family business values since 2018.
Joshua
Machining Supervisor
Since 2003, manages programming, machining, and inspection operations. Brings technical expertise and 20+ years of hands-on experience with precision manufacturing processes.
James
Welding Specialist
Certified welder with AWS-D1.2 and MIL-STD-2219 expertise since 2016. Handles complex welding requirements for military and industrial applications with precision and code compliance.
Heather
Operations Manager
Active in daily business operations since 2018. Trained in machining processes and quality control while maintaining family business continuity.
Holly
Production Coordinator
Manages production workflow and quality assurance since 2018. Combines technical knowledge with business operations experience to maintain production standards.
Questions
What industries do you serve?
We serve aerospace, defense, oil and gas, and industrial equipment manufacturers requiring precision-machined components.
Are you ISO certified?
Yes, we maintain ISO 9001:2015 certification for our quality management systems.
Do you handle military contracts?
Yes, we produce components for M-1 Abrams Tanks and F-35 Joint Strike Fighters under strict specifications.
What equipment do you have?
Our facility includes HAAS CNC machines, conventional lathes, inspection equipment, and certified welding stations.
Are you HUBZone certified?
Yes, we hold HUBZone certification for government contracting advantages.