There are several manufacturers of bed rails in the USA. Here are some of the top manufacturers: 

1. Drive Medical: Drive Medical is a leading manufacturer of healthcare products, including bed rails. Their bed rails are designed to provide safety and security for patients and come in a range of sizes and styles. 

1. Medline Industries: Medline Industries is a manufacturer and distributor of medical supplies and equipment, including bed rails. They offer a variety of bed rail options to meet the needs of different patients. 

1. Invacare Corporation: Invacare Corporation is a manufacturer of medical equipment and supplies, including bed rails. Their bed rails are designed to help prevent falls and provide support for patients. 

1. Stander: Stander is a manufacturer of mobility aids and safety equipment, including bed rails. They offer a variety of bed rail options, including adjustable rails and rails with built-in storage. 

1. Essential Medical Supply: Essential Medical Supply is a manufacturer of medical equipment and supplies, including bed rails. Their bed rails are designed to provide safety and security for patients and come in a range of sizes and styles. 

It is important to note that there are many other manufacturers of bed rails in the USA, and it is important to select a bed rail from a reputable manufacturer that has a track record of providing high-quality products and excellent customer service. It is also important to consult with a healthcare provider or a specialist in home safety equipment to ensure that the bed rail is appropriate for the patient’s needs and circumstances.