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Iron Workers, Local 493
Contracts - Manufacturing
Employer/
Location
Union
Employees
Date
EFCO
Des Moines, IA
BSOIW Local 493
172
October 5th, 2011
C B & I Constructors Inc.
The Woodlands, TX
BSOIW Local 493
100
January 5th, 2011
C B & I Constructors Inc.
Clive, IA
BSOIW Local 493
100
January 11th, 2008
EFCO Corporation and/or Construction Products Inc.
Des Moines, IA
BSOIW Local 493
250
September 20th, 2006
Chicago Bridge and Iron Constructors
Clive, IA
BSOIW Local 493
114
February 17th, 2005
