1. P. M. Sutton & Associates, Inc., 45 Bradford Lane, Enfield, NH 03748, USA
2. Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287-5701, USA
3. Hydromantis, Inc., 1 James Street South, Suite 1601, Hamilton, ON L8P 4R5, Canada
4. OpenCEL, 315 Park 2W, Glencoe, IL 60022, USA
5. Envirogen Technologies Inc., 250 Phillips Blvd., Suite 255, Ewing, NJ 08618, USA