About LJR Electronics

Solutions, not just
products.

LJR Electronics is a leading stocking distributor of quality interconnect solutions — serving aerospace, defense, energy, industrial, medical, and motorsport sectors from our US locations.

Our Story

A specialist distributor built on deep technical knowledge and genuine customer relationships

LJR Electronics is a leading stocking distributor of quality interconnect solutions for the aerospace, defense, energy, industrial, medical, and motorsport sectors. We are not a generalist distributor — we are a team of specialists who understand the applications, standards, and demands of the industries we serve.

With over 100 people worldwide and facilities in Miamisburg, Ohio and Indianapolis, Indiana, LJR Electronics holds extensive US inventory and offers same-day shipping on in-stock items. Our technical sales engineers work by sector, ensuring you always speak to someone who understands your application.

LJR Electronics is ISO 9001 and AS 9120 certified — the same quality standards demanded by the aerospace and defense customers we serve every day.

Part of Interconnect Solutions Group

LJR Electronics is part of ISGroup — a family of specialist interconnect businesses operating across the USA, UK, Germany, and Czech Republic, all backed by Diploma PLC, a FTSE 250 company.

100+ People Worldwide

Our team spans two US locations plus the broader ISGroup network — giving LJR customers access to global sourcing capability alongside local technical expertise and fast, domestic supply.

ISO 9001 & AS 9120 Certified

Our quality management systems meet the rigorous standards required for aerospace and defense supply chains — so you can trust every product we ship is fully traceable and specification-compliant.

UL Certified — File E328344

LJR Electronics holds UL certification for heat shrink tubing products, providing additional independent verification of product quality and safety compliance.

Value-Added Services

Beyond distribution —
a complete solutions partner

Cutting Services

Precision cutting of tubing, sleeving, and wire/cable to custom lengths. Spooling services available to reduce waste and simplify your production process.

Cable Solutions

Multi-core custom cables, over-braiding, and assemblies. We work with your engineers to specify the right construction for your application and environment.

Pre-Print Services

Wire markers, labels, and identification products printed to your specifications. Reduce assembly time and improve traceability across your harness programs.

Logistics Solutions

Flexible minimum orders, component kitting, consignment stock, sampling, and just-in-time inventory management. We adapt our supply model to fit your program.

Our Locations

Based in the USA,
connected worldwide

🇺🇸 Miamisburg, Ohio
LJR Electronics
2072 Byers Rd
Miamisburg, OH 45342
United States
+1 855-265-2198 ljr.sales@ljrelectronics.com
🇺🇸 Indianapolis, Indiana
LJR Electronics
286A Gasoline Alley
Indianapolis, IN 46222
United States
+1 317 244 6643 usasales@rayfast.com

Get In Touch

Ready to talk to
a specialist?

Whether you have an immediate requirement or are planning a long-term program, our team is ready to help. Get in touch today.