Welcome to Interstate Gratings where we are pleased to offer service to a wide range of customers throughout the United States and North America. Operating in our recently completed 65,000 square foot facility, our flexible, state-of-the-art manufacturing equipment allows us to produce a complete range of products to exact standards. Metal Bar Grating is the workhorse of the industrial flooring market and has served industry for decades. Strong and durable with an exceptional strength-to-weight ratio, metal bar grating can be easily fabricated to nearly any configuration.