Current Simpson Weather Associates Clients
Past Simpson Weather Associates Clients
AMAX Minerals (now Phelps Dodge)
L.I. Long Assoc.
McGuire, Woods, Battle & Booth
Mackinnon and Searle
Midwest Industrial Supply
Norfolk Southern Corporation
Pier IX Terminal
Presidential Lakes Development
William Rosenberger, Jr.
School for Field Studies
Southside Concerned Citizens, Halifax
Valley Environmental Council
Ziegler Coal Holding Co.
NASA/Goddard Space Flight Center
NASA/Langley Research Center
NASA/Marshall Space Flight Center
Government of the Philippines
Government of South Africa
State of Texas
State of Virginia Aerovironment, Inc.
Battelle Pacific Northwest Laboratory
META Systems, Inc. (U.S./AID)
Roberts & Shaefer
University of Virginia
as well as numerous attorneys, realtors, and private individuals