About RLM Standards Institute
Certifying the iconic RLM spun metal shade design for over 100 years
RLM is synonymous with the iconic spun metal shade—the distinctive dome and bowl reflector design that started in industrial warehouses and became America's most versatile lighting aesthetic. From factories to homes, restaurants to barns, RLM Standards Institute continues this legacy, certifying products that honor the authentic RLM look and quality standards established in 1919.
Our Mission
To certify lighting products that honor the iconic RLM spun metal shade design—from its industrial heritage to modern applications in offices, retail, restaurants, homes, and barns—ensuring they meet the highest standards of quality through independent testing and verification, and simplifying equipment selection for specifiers, dealers, and end users across all markets.
Independence
As a non-profit third-party certifier, we provide unbiased verification free from manufacturer influence.
Excellence
Our comprehensive specifications represent over 1,000 words of quality requirements that define industry leadership.
Trust
The RLM seal carries over 100 years of heritage as a warranty of quality and performance trusted by professionals.
The RLM Standards Heritage
The original RLM Standards were founded in 1919 and evolved through the decades. Today, RLM Standards Institute continues this proud legacy of quality certification.
The Original RLM Standards Founded
Leading lighting manufacturers came together with two revolutionary objectives: establish high uniform standards for industrial lighting equipment and simplify selection for purchasers. This collaboration created what would become the oldest certification program in the lighting industry, establishing a legacy that continues today.
Official Reorganization
The original organization was formally reorganized and incorporated as a non-profit under the laws of Ohio. This structure ensured independent, unbiased certification that would serve the entire industry for decades to come.
National Recognition
The RLM trademark was officially registered with the U.S. Patent Office (No. 639394), cementing our position as a nationally recognized mark of quality, comparable to standards from the American Standards Association.
Adapting to Technology
From incandescent and mercury vapor lighting through fluorescent technologies to today's advanced LED systems, the RLM standards evolved continuously to ensure quality and performance regardless of the underlying technology.
Continuing the Legacy
RLM Standards Institute is a new certification agency building on the historic foundation established in 1919. We continue the proud tradition of setting the standard for lighting excellence across all applications—from industrial facilities to commercial spaces to residential installations. The mark of quality that architects, engineers, contractors, homeowners, and facility managers trust when specifying lighting solutions.
How We Work
Our rigorous certification process ensures that every product bearing the RLM seal meets the highest standards of quality and performance.
An Iconic Design Legacy
The RLM name represents the most iconic and versatile lighting design in American history—the spun metal shade and dome reflector that started in warehouses and now illuminates every type of space. Often known as barn lights, warehouse lights, or industrial lights, this timeless aesthetic works everywhere. For over 100 years, RLM has been synonymous with quality, authenticity, and the distinctive look trusted across all markets.
Nationally Recognized Standard
RLM certification is recognized alongside major standards organizations like the American Standards Association, providing assurance accepted across industries and jurisdictions.
Trusted Across All Markets
Architects, engineers, contractors, homeowners, and facility managers specify RLM certified products with confidence across industrial, commercial, and residential applications, knowing they meet rigorous third-party verified standards.
The Iconic RLM Shade
RLM is recognized for the distinctive spun metal shade and dome reflector design—the versatile aesthetic known as barn lights, warehouse lights, or industrial lights. Starting in factories, now illuminating offices, retail stores, restaurants, homes, and barns—a timeless look that works in any setting for over a century.
The RLM Standard in Action
From factories and warehouses to offices, retail stores, restaurants, homes, and barns—RLM certified lighting brings authentic quality and timeless design to projects worldwide.
Commercial Workspace Excellence
Classic RLM dome pendants provide efficient, uniform illumination in contemporary office environments. The timeless aesthetic complements modern interior design while delivering superior lighting performance trusted by facility managers.
Industrial-Grade Exterior Lighting
Durable gooseneck wall lights showcase the iconic RLM design in demanding outdoor applications. Certified fixtures withstand harsh environmental conditions while maintaining the authentic warehouse aesthetic that has defined American industrial lighting for over a century.
Retail & Commercial Spaces
The versatile RLM shade design adapts seamlessly to retail and commercial applications. Certified fixtures deliver optimal task lighting while creating the industrial-chic aesthetic that architects specify for modern commercial projects.
Precision Engineering
Every detail matters. RLM certification verifies precision-spun metal shades, quality finishes, and durable construction. The certified seal represents over 1,000 words of quality specifications ensuring products meet the exacting standards established over 100 years of excellence.
Partner with RLM
Join the legacy of quality and excellence. Whether you're a manufacturer seeking certification or a professional specifying lighting solutions, RLM is here to support your commitment to quality.
Questions About RLM?
Our team is ready to discuss certification requirements, standards, or how RLM can support your lighting projects.
RLM Standards Institute
Email: info@rlmlighting.com