RLH Industries, Inc. is a fiber optic telecommunications company based in Orange, California. We design, manufacture, and provide service solutions including:

Fiber Optic Converters
Telecommunication Enclosures
Fiber Cable Assemblies
Telecommunications Consulting
Fiber Optic Splicing Field Services
Fiber Optic High Voltage Isolation Solutions

Being Great Since ’88

We are one of the world’s most experienced innovators in fiber optic communications, with a 35+ year track record of bringing robust fiber optic communications products to market. Beginning with our fiber optic converters in 1988, we have grown along with the fiber optic industry and our products have evolved to include end-to-end telecommunication solutions as well.

Our manufacturing and services objective is to be nimble and accommodating, which allows us to build on our experience to meet today’s rapidly changing communications requirements while helping our customers take advantage of new opportunities in the marketplace. Whether it’s specialty fiber optic converters, custom solutions, or specialized field termination projects, we are committed to delivering goods and services that are not merely ordinary, but exceptional. Today, we provide solutions for growing segments like wind energy, solar energy, substations, data centers, transportation, automation, and control systems.

At Home in the USA

We are a family owned and operated business with a guiding principle of honesty, decency, and fairness. Our success is shared with many present and past employees with partial ownership.

We proudly manufacture our Fiber Optic Converters, Fiber Isolation Systems, and Cable Assemblies to the highest standards in Orange County, California. Design, engineering, electronics assembly, testing and repairs, packing and shipping are performed locally here in California for these product lines.

RLH Industries, Inc. Downloads

RLH - 2 Wire POTS Fiber Link Cards - Brochure

RLH - 5 Port Industrial Fast Ethernet Switch - Datasheet

RLH - Model Smart Series - Rugged Ethernet IO Device with 4 Digital Inputs - Datasheet