SigmaPro Engineering

Ultra-Precise Injection Molded Parts and Mechanical Assemblies

Core Services


Injection molding: very small, very precise parts

Unique injection molds and part processing

Coatings, joining, de-flashing and assembly

Logistics, supply chain, project management

Measuring stereo microscopes, SPC process control

Insert molding, hand loading, very precise

Creative design solutions in plastic and metal


Call us at 
817-337-2708


Micro-assembly & Microstructures

  • We are assemblers and logisticians: local, adaptable, motivated, and empowered
  • Expert process documentation and SPC
  • Best MEIJI stereo microscopes 
  • Line technician and engineering support
  • SigmaPro has been welcomed as a strategic partner by many companies because of the unique combination of VERY LOW COST, local assembly, and sound engineering and quality process application
  • Feature size down to 0.1mm (0.004")
  • Tolerances, positions to 0.001mm (0.00004")
  • Work, inspect, photograph, measure, and document at 500X magnification and 0.0001mm resolution