David Alan Black (EDT)/ Jacob N. Cerone (EDT)/ Chris Keith (EDT)
(2)
Alan (Formerly consultant at Binnie Twort Black & Veatch UK),Gordon (Binnie Rees Black & Veatch UK)
(1)
Alan Black/ David Henry Sterry
(1)
Alan M. Lesgold (EDT)/ Michael J. Feuer (EDT)/ Allison M. Black (EDT)
(1)
Alan Rudrum (EDT)/ Joseph Black (EDT)/ Holly Faith Nelson (EDT)
(1)
Alan Rudrum (EDT)/ Joseph Laurence Black (EDT)/ Holly Faith Nelson (EDT)
(1)
David Alan Black (EDT)/ Benjamin L. Merkle (EDT)
(1)
David Alan Black (EDT)/ David R. Beck (EDT)
(1)
David Alan Black/ Benjamin L. Merkle
(1)
David Alan Black/ Katharine Barnwell/ Stephen Levinsohn (EDT)
(1)
David R. Miller/ David Alan Black (FRW)
(1)
Paul A. Himes/ David Alan Black (FRW)
(1)
Philip Hughes/ Alan Black/ Peter Kaldor/ John Bellamy/ Keith Castle
(1)
Thomas D. Lea/ David Alan Black
(1)
Thomas W. Hudgins/ David Alan Black (FRW)
(1)