International Light Technologies: Technical lighting and light measurement combine to provide products and services that shine. Gilway and International Light have long and proud reputations for customer service, on- time delivery, and technical expertise. Formed in 1969, Gilway Technical Lamp has provided customers with off-the-shelf and customized solutions for a full spectrum of light sources. Since 1965, International Light has been solving the inherent difficulties in light measurement through the design and manufacture of a wide range of light measuring instruments, including the most accurate light meters on the market.