Since 1980, Thermal Windows, Inc. has excelled at quality window design and production. We manufacture energy-efficient alumi ... num and vinyl windows, sliding glass doors and terrace doors. Most of our products are AAMA-rated for high commercial performance. Founded by Bob G. Pool in 1980, the company has grown steadily over the years. Annual sales are $35 million. Sales and manufacturing operations in Tulsa, Oklahoma occupy 300,000 sq.ft. Thermal has 200 employees, and ships its products throughout the USA. There are company showrooms in Tulsa and Oklahoma City, as well as dealers in nearly every state. read more