There are several companies that manufacture woodworking planer blades, each with their own unique features and characteristics. Here are a few examples:

Freud: Freud is a well-known manufacturer of woodworking tools and accessories. Their planer blades are known for their high quality and durability. They offer a range of blades designed for specific applications, such as general purpose, hardwood, and finish work.

DeWalt: DeWalt is another popular brand in the woodworking industry. Their planer blades are made from high-speed steel and feature a double-edged design for longer life. They are also reversible, which helps to extend their lifespan even further.

Bosch: Bosch is a leading manufacturer of power tools and accessories. Their planer blades are made from high-speed steel and feature a double-edged design for increased efficiency. They also offer a range of different sizes and thicknesses to suit different applications.

Makita: Makita is a Japanese manufacturer of power tools and accessories. Their planer blades are made from high-speed steel and are designed for maximum durability and efficiency. They offer a range of different sizes and thicknesses to suit different applications, and their blades are also reversible for longer life.

Delta: Delta is a well-established brand in the woodworking industry. Their planer blades are made from high-speed steel and are designed to provide a smooth finish on a variety of different wood types. They offer a range of different sizes and thicknesses to suit different applications, and their blades are also reversible for longer life.

Overall, when selecting a woodworking planer blade, it is important to consider factors such as the intended application, the quality of the blade material, and the blade’s lifespan. It may also be helpful to read reviews and compare different brands and models to find the best option for your specific needs.