OTL specializes in obstruction lighting. We manufacture a wide range of products for tower lighting. All our products are designed to meet or exceed FAA and Transport Canada requirements. Today, OTL products are used by major North American companies. OTL has helped corporations save hundreds of thousands of dollars by building effective and reliable state-of-the-art products. For example, OTL's extra long life lamps last 50,000 hours, eliminating lamp replacement for the next ten (10) years.