Costa Matthew C.
Cox Christopher Edward
Cox Raleigh Lee
Cunningham Seamus
Dahl Kurt R.
DE Vletter Robbert
Decker Clifford J.
Dederichs Knut
Degremont, Societe Generale D'Epuration et D'Assainissement
Delsalle Fran.cedilla.oise
Delta Environmental Products, Inc.
Delta Process Equipment Co., Inc.
Deming Laura L.
Deskins Franklin D.
DiGregorio David
Dixon Cameron
Donald Hubbard H.
DSS Environmental, Inc.
Du Toit Walters Francois
Dueymes Eric