Innovative Structural Steel Systems Think, design and build with structural steel-outside the box. There are several innovative structural steel systems and products that go beyond conventional steel framing and that have, in many cases, changed the way designers approach projects. This list provides a look at several of them. Selection was based on manufacturers' descriptions and claims; no product testing or evaluation was performed. Inclusion in this list does not constitute a product endorsement by AISC. From the cover: Learn more about the innovative SpeedCore system on page 7.