. Mid-West Homes for Pets In 1921, Mid-West Metal Products made only one item, a Kruse Switch Box Support, and over the years began manufacturing millions of wire and sheet metal component parts. By 1960, they were producing training crates for pets. Today, Midwest Homes for Pets, a division of Mid-West Metal Products, produces and markets a variety of pet containment products. These products include dog crates, training puppy crates, dog kennels, cat playpens, bird cages, vehicle barriers, soft-sided carriers, grooming tables and much more. They also manufacture a full line of pet accessories like beds and feeding dishes.