C & D Valve Manufacturing Company
Calkins Charles D.
Cantaloube Elie
Cantaloube Yves
Capry
Carbone Mario
Carn William R.
Carruthers Alec Reginald
Chen Jisheng
China Liaohe Oilfield Huasheng Pipeline Research Institute
Christie Joe William
Christodoulou Mario J.
Clements Martin A.
Collins John W.
Colonial Pipeline Company
Colson Dale G.
Cook, Alex, McFarron, Manzo, Cummings & Mahler, Ltd.