ODL is a manufacturing company based in the United States, specializing in building materials, particularly in the production of doorglass and related products. Founded in 1945, ODL has grown to employ between 1,001 and 5,000 individuals and reports significant annual revenue. The company is recognized for its innovative use of Low-E glass technology, which enhances energy efficiency by reducing solar heat gain and non-solar heat flow, making it suitable for various climate conditions. Their published content includes a detailed comparison guide for Low-E glass options, highlighting the performance characteristics of different Low-E coatings, insulation properties, and their applications in impact-rated doorglass. The guide provides insights into the benefits of Low-E glass in residential settings, emphasizing its role in energy savings and comfort. ODL's commitment to quality and efficiency in building materials is evident through their product offerings and educational resources available on their website.