about us

The company was established by a passionate locksmith, carpenter, and service technician who has been serving clients since 1983. He was an installer and also a salesman. With his continuing dedication, Thornton Door has been able to reach a greater number of clients who have established a long-term relationship with the company. Churches, schools, hospitals, and commercial establishments in Saint Louis, Missouri metropolitan area have been putting their trust in Thornton Door for so many years.

Today, we are driven by the same level of passion that brought Thornton Door right at the doorstep of every satisfied customer that we have served. We are focused on the quality of our work, and we will keep delivering the quality of service that is worthy of your trust. From locksmithing, carpentry work, door installation, and repairs, Thornton Door will be your dependable partner.

Throughout our long presence in the industry, we remain anchored on giving excellent quality service together with the best quality materials. Because we have built lasting relationships with many of our clients, we do every work with a concern that friends or families deserve. We managed to stay in business because we enjoy helping people. The fulfillment we get in every happy customer inspires us to keep doing what we do and get better at it every time.