| CL Ridgeway LLC. -- Designs and builds reinforced concrete buried arch systems that are used for applications such as bridges, tunnels and culverts. |
| Clayco Construction -- Supplies materials and designs concrete that is cast on-site. |
| Hadrian Tridi-Systems -- Produces a building system using prefab polystyrene panels with wire mesh that becomes a structural wall when concrete, gunnite, plaster, and stucco are shotcreted into place. |
| National Solarcrete Inc. -- Building system uses shotcrete and polystyrene to form insulated concrete wall panels. |
| ProDeCon -- Provides engineering and materials for concrete tilt-up construction and precast concrete. |
| Simplex Concrete -- Designs and builds cast-in-situ, driven, and precast pile foundations. |
| Star Construction -- Designs and builds cast-in-place and tilt-up concrete systems for commercial and industrial applications. |
| Tanigawa-Jorgensen, Hendrickson and Close -- Provides structural designs for large watertight cast-in-place concrete tanks, primarily for the water and wastewater industries. |
| Tilt-Con Corporation -- Offers building and design services, specializing in tilt-up panels, foundations, and slab on grade. |
| WithConcrete -- A group of construction professionals specializing in all aspects of building with concrete and steel. |
