Precision High-Level Assemblies (HLA) Contract Manufacturing

Keller Technology Corporation (KTC) delivers precision high-level electro- and opto-mechanical contract manufacturing services tailored to demanding industrial, scientific and medical applications. Backed by decades of manufacturing excellence, our integrated assembly capabilities ensure seamless performance, reliability and compliance with your most exacting specifications.

Certified for Quality

Precision High-Level Assembly Capabilities

We combine skilled craftsmanship with machining, electrical and systems integration to build assemblies that power mission-critical operations.

Electro- and Opto-Mechanical Assemblies

Electro- and Opto-Mechanical Assemblies

  • Accurate installation of motors, sensors, actuators, wiring, control panels and PCBs  
  • Cleanroom-compatible assembly and electrostatic discharge (ESD) protocols  
  • Wiring harness design, routing and termination  
  • Precision electrical testing, functional validation and documentation  
  • In-vacuum electro and opto-mechanics 

High-Level Assembly (HLA)

High-Level Assembly (HLA)

  • Combining mechanical subassemblies into fully integrated systems  
  • Integration of pneumatic, hydraulic, vacuum and electrical subsystems  
  • System configuration, calibration and comprehensive testing  
  • Final packaging with traceability and transport safety procedures  
  • Mechatronics integration 

Why Partner with Keller for Assembly Solutions?

Integrated Engineering and Assembly 

From initial design review for manufacturability to final testing, our teams ensure every assembly meets performance targets and quality standards.

ISO Certified Quality

Our facilities, including cleanroom environments, operate under ISO 9001:2015 standards, with additional compliance for medical device projects (ISO 13485), where required.

Functional Assurance

We deliver thoroughly tested assemblieswhether a standalone electro-mechanical module or a complex HLA, that are fully traceable and ready for deployment.

Decades of Industry Experience

We are a trusted partner for OEMs in highly specialized manufacturing sectors.

End-to-End Integration

We provide engineering support, supply chain management, testing and documentation to ensure smooth project delivery.

Industries We Support 

Our assembly capabilities serve industries where precision and integration matter most:  

  • Semiconductor manufacturing equipment
  • Life science and medical diagnostic systems
  • Robotic automation
  • Scientific research and lab instrumentation
  • Cleanroom and vacuum environment systems

Seamless From Component to Complete System

1. Design review and planning

  • DFM (Design for Manufacturability) functional test protocols and validation plans

2. Assembly and integration

  • Modular build processes for scalability and repeatability
  • Skilled assembly of electrical, mechanical and fluid systems

3. Testing and documentation

  • Calibrated functional testing aligned to your specifications
  • Comprehensive reports, serial number labeling and quality checklists

4. Packaging & logistics

  • Custom packaging for sensitive components
  • Delivery for final integration into your systems

Keller Technology Corporation logo

Get Started with High-Level Assemblies

Ready to streamline your assembly requirements with a partner you can trust? Whether you need precision electromechanical modules or fully integrated HLAs, Keller Technology has the expertise to deliver with repeatable quality, efficiency and rigor.

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