FORMERLY MCKINNEY DOOR SOLUTIONS & AMERICAN DOOR PRODUCTS - NOW UNITED AS AMERICAN DOORS.
GMS Industries has built a reputation as a manufacturer of reliable, high-quality lock cylinders since their inception. Their mission is to be the preferred brand and market leader of lock cylinders and related products to after-market distributors and end users. GMS manufactures OEM quality mortise and T-Turn cylinders, dummy cylinders, IC format cylinders, standard padlocks, and key blanks—all with unwavering attention to detail and adherence to OEM specifications. Their responsive sales representatives throughout the United States and Canada support a wide network of distributors carrying GMS products for commercial and institutional applications.