| Brummel, Dr. H. Bruce - Matteson, IL CONSTRUCTION - Quality Control |
| Dunlop, William L. - Minneapolis, MN Expert Witness and Consulting Services for: Construction and Industrial Workplace Accidents Personal Injury and Products Liability Premises Liability |
| Orfield, Steven J. - Minneapolis, MN Acoustics, Lighting,Daylighting & Vision, Architecture, Building Performance. Visual Accident reconstruction, environmental noise |