Yes, there are companies that manufacture plastic bricks. Plastic bricks are type of building material that is made for recycled plastic and are used as an alternative to traditional clay or concrete bricks.
There are several companies around the world that manufacture plastic bricks, including Eco-Bricks in South Africa and KABOOM in the united states. These companies typically produce a range of different plastic brick products, including interlocking bricks, and hollow bricks, to meet the needs of different construction projects.