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| Midwest Industrial Supply Provides dust and erosion control, anti-icing strategies, soil stabilization and coal and material handling solutions. |   |
| PennzSuppress Manufacturer of dust control agents for the treatment of road aggregate. |   | |
| Frank Quirk & Associates Manufacturing company developing and marketing products used for the stabilization and control of soil. |   | |
| Revegetation Exchange Distributor of erosion materials and revegetation equipment worldwide. |   | |
| Conwed Fibers Producers of erosion control blankets, seed protector mat and mulch, fiber matrix and wood fiber hydro mulch products. |   | |
| Dustkill Manufacturer of soybean-based dust suppressants. |   | |
| Doyle Engineering Group Erosion control, civil engineering, structural engineering and slope stability engineering. |   | |
| Bioengineering Group Provider of consulting services in the field of bioengineering for erosion control, water quality and habitat restoration. |   | |
| PolyPavement Manufacturer of natural soil stabilizer products. |   | |
| Enviroseal Corporation Manufacturer of liquid base stabilizers and liquid dust control products. |   | |
| National Environmental Service Company (NESCO) Manufacturer of high-pressure spray systems designed to control dust around aggregate plants. |   | |
| Elish Construction Construction of revetments, bridge scour repair, landfill containment systems, holding ponds and bridge or dock piling reinforcement. |   | |
| North American Green Manufacturer of erosion control blankets. |   | |
| WildLands Consultation and comprehensive services for revegetation and restoration, erosion control, habitat management and hydroseeding. |   | |
| Erosion Control Equipment: Interstate Products Supplies a complete line of erosion control products, gully guards, including dewatering bags, pipe socks and silt fences. |   | |
| Erosion Draw 3.0 Erosion control manual and software for engineers, designers, landscape architects and contractors & developers. |   | |
| Dust Solutions Providers of dust control products and solutions for a variety of industries. |   | |
| Revegetation Contractors Environmental contractors whose services include soil and water management plans, erosion control works, roadway stabilization and more. |   | |
| Sunshine Supplies Manufacturer of erosion control products used by the state's construction, landscaping, civil engineering and mining industries. |   | |
| Soil Stabilization Products Provider of technology solutions for earthwork, environmental and transportation related projects. |   | |
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