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DEREK JOHNSON
Pennsylvania (Williamsport) - Engineer in Training
Active -
DAVID MICHAEL SWISHER
Pennsylvania (Williamsport) - Engineer in Training
Active -
DIANE LYNN DIEHL
Pennsylvania (Williamsport) - Professional Geologist
Inactive -
DANIEL F VASSALLO
Pennsylvania (Williamsport) - Professional Land Surveyor
Inactive -
DAVID W PATTERSON
Pennsylvania (Williamsport) - Professional Land Surveyor
Active -
DANIEL A VASSALLO
Pennsylvania (Williamsport) - Professional Land Surveyor
Active -
DAVID W ALDENDERFER
Pennsylvania (Williamsport) - Professional Engineer
Inactive -
DAVID L KENAMOND
Pennsylvania (Williamsport) - Professional Engineer
Expired -
DAVID W PATTERSON
Pennsylvania (Williamsport) - Professional Engineer
Active -
DONALD E PETERSON
Pennsylvania (Williamsport) - Professional Engineer
Inactive -
DAVID B PROCTOR
Pennsylvania (Williamsport) - Professional Engineer
Inactive -
DAVID B STONE, JR
Pennsylvania (Williamsport) - Professional Engineer
Expired -
DOUGLAS EUGENE STEARNS
Pennsylvania (Williamsport) - Professional Engineer
Active -
DANIEL ANTHONY VASSALLO
Pennsylvania (Williamsport) - Professional Engineer
Active