For over 50 years International Light has been developing products and solutions that meet a broad range of needs and solve a variety of challenges. ILT combines technical lighting and light measurement expertise to provide products and services that shine. In March of 2022, ILT was acquired by Ocean Insight to further expand their light measurement and light sources business. Ocean Insight is a leading provider of optical sensing solutions. ILT’s R&D efforts, certified state-of-the-art testing and calibration lab, warehousing and much of its manufacturing are located in our Peabody Massachusetts facility, just 15 miles north of Boston.