Our Company

OSI Laser Diode, Inc. (LDI),

founded in 1967, produces advanced optoelectronic products of the highest quality for a broad range of applications and industries. Our state-of-the-art manufacturing, advanced product development and quality program, coupled with our continual process improvements, exemplifies our principles of Leadership, Dependability and Integrity.


  • Military & Aerospace Standards
  • Telecom and Datacom (Short & Long Haul)
  • Opto Assemblies (Pigtailing & Component Integration)
  • Medical Products


  • Customer Satisfaction
  • Leading Innovation
  • Excellence in Service
  • Consistent Quality
  • Timely Delivery

Subcontracting Work:

With over 44+ years of assembly experience, LDI’s established facility and responsive technical support team is key to delivering dependable, quality products. We are ready to address your requirements by working with your SLD, ELED or LASERS and placing them into the package of your choice.

Standards & Certifications

  • ISO-9001:2008 Certified
  • MIL-I-45208
  • MIL-STD-883
  • MIL-STD-750