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The entire ILLI team expresses its most sincere gratitude for the generous  contributions of our Sponsors that enable us to conduct the Intensive Course.

Sequoia Level Sponsors

WAC Lighting is a second-generation, family owned and operated lighting company with a reputation for quality spanning over 35 years. With a history of inventing, headquartered in New York, WAC retains factories in New York,California, Georgia and China to support a fully vertically integrated research, design, engineering, electronics, fabrication, manufacturing and testing operation worldwide. WAC Landscape Lighting is an expansion of its lighting technology brand to offer groundbreaking new-patented solutions for landscape lighting challenges featuring a wide range of LED luminaires.

Sterling Lighting began with a group of lighting professionals passionate about developing the perfect fixture, with both the contractor and homeowner in mind.  Sterling prides themselves on their own, distinct line of high-quality landscape and architectural lighting fixtures. Sterling Lighting’s founders and team have a passion for innovation and quality in fixture design and production.

Lumien Lighting has been in the lighting business since 2004, offering lighting for all applications internationally. For the last two years, we have been completely focused on building our landscape lighting brand in the United States market. Lumien Lighting  strives to provide innovative products with the newest technology that are second to none.

Redwood Level Sponsors

Proudly American, focused on customer experience and grounded in trust, integrity and teamwork, Q-Tran has been a leading manufacturer and innovator in the lighting industry for over 29 years. Established with a simple goal; to provide a superior solution for powering low-voltage lighting, Q-Tran now provides a complete architectural LED lighting solution; the power and the light.

Oak Level Sponsors

Excelsior Lighting designs and manufactures 'specification-grade' luminaires and mounting for the professional landscape lighting industry. We manufacture our own products and offer finished goods that can be shipped worldwide. Our company is proud to sell lighting products that are produced in the United States.

​With over 20 years of experience in manufacturing landscape lighting, our philosophy is to design and produce products that clients want, not what we think they should have! Our 10 year warranty exemplifies our confidence in the superior durability and performance of Excelsior Lighting products.

HK Lighting

Simple, sophisticated, precision engineered.  We craft lighting with the designer in mind.  Our principles of longevity, performance, and clean design mean our outdoor lighting products are meticulously crafted.  Top-tier materials ensure your vision comes to light for years to come.  Our personalized customer attention and support from initial specification to years after installation sets HK Lighting apart in the marketplace.

Contact Us

voice:        +1 (209) 317-9195

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