What can we help you find?
Employee since 1986
Employee since 1986
LEED AP
Employee since 1997
LEED AP
Employee since 1997
LEED AP, OSHA 30-Hour
Employee since 2007
LEED AP, OSHA 30-Hour
Employee since 2007
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2007
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2007
OSHA 30-Hour
Employee since 2010
OSHA 30-Hour
Employee since 2010
LEED AP BD+C
Employee since 2021
LEED AP BD+C
Employee since 2021
Employee since 2018
Employee since 2018
ASHE CHC, DBIA, OSHA 30-Hour
Employee since 2014
ASHE CHC, DBIA, OSHA 30-Hour
Employee since 2014
Employee since 2019
Employee since 2019
ASHE CHC, OSHA 30-Hour
Employee since 2017
ASHE CHC, OSHA 30-Hour
Employee since 2017
AGC CM-BIM, OSHA 30-Hour
Employee since 2011
AGC CM-BIM, OSHA 30-Hour
Employee since 2011
AGC CM-BIM
Employee since 2018
AGC CM-BIM
Employee since 2018
Employee since 2019
Employee since 2019
Employee since 1996
Employee since 1996
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2007
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2007
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2006
LEED AP, ASHE HCC, OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
LEED AP BD+C, DBIA, OSHA 30-Hour
Employee since 2016
LEED AP BD+C, DBIA, OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2019
OSHA 30-Hour
Employee since 2019
LEED AP, OSHA 30-Hour
Employee since 2017
LEED AP, OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
LEED Green, OSHA 30-Hour
Employee since 2014
LEED Green, OSHA 30-Hour
Employee since 2014
LEED Green, OSHA 30-Hour
Employee since 2014
LEED Green, OSHA 30-Hour
Employee since 2014
Employee since 2021
Employee since 2021
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
MBA, OSHA 30-Hour
Employee since 2015
MBA, OSHA 30-Hour
Employee since 2015
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
ASHE CHC, OSHA 30-Hour
Employee since 2013
ASHE CHC, OSHA 30-Hour
Employee since 2013
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
.jpg?width=600&height=750&name=Jason%20Onwubiko%20(002).jpg)
OSHA 30-Hour
Employee since 2021
OSHA 30-Hour
Employee since 2021
OSHA 30-Hour
Employee since 2019
OSHA 30-Hour
Employee since 2019
LEED AP, OSHA 30-Hour
Employee since 2006
LEED AP, OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2016
ASHE HCC, OSHA 30-Hour
Employee since 2006
ASHE HCC, OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
OSHA 30-Hour
Employee since 2017
LEED AP, OSHA 30-Hour
Employee since 2001
LEED AP, OSHA 30-Hour
Employee since 2001
OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2013
OSHA 30-Hour
Employee since 2013
OSHA 30-Hour
Employee since 2018
OSHA 30-Hour
Employee since 2018
OSHA 30-Hour
Employee since 1999
OSHA 30-Hour
Employee since 1999
OSHA 30-Hour
Employee since 2020
OSHA 30-Hour
Employee since 2020
LEED AP, OSHA 30-Hour
Employee since 2006
LEED AP, OSHA 30-Hour
Employee since 2006
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 2016
OSHA 30-Hour
Employee since 1994
OSHA 30-Hour
Employee since 1994
OSHA 30-Hour
Employee since 2010
OSHA 30-Hour
Employee since 2010
CSP-C, CHST, SGE, OSHA-500
Employee since 2007
CSP-C, CHST, SGE, OSHA-500
Employee since 2007
CHST, OSHA-500
Employee since 2014
CHST, OSHA-500
Employee since 2014
Employee since 2019
Employee since 2019
AICP, PMP
Employee since 2013
AICP, PMP
Employee since 2013
Employee since 2013
Employee since 2013
Employee since 2018
Employee since 2018
Employee since 1993
Employee since 1993
Employee since 2017
Employee since 2017
Employee since 2006
Employee since 2006
Employee since 2018
Employee since 2018
Employee since 2017
Employee since 2017
Employee since 2016
Employee since 2016
Employee since 2017
Employee since 2017
Employee since 2000
Employee since 2000
Employee since 2010
Employee since 2010
Employee since 2017
Employee since 2017
Employee since 2021
Employee since 2021
Employee since 2019
Employee since 2019
Holland Construction Services is a full-service construction management, general contracting, and design/build firm guided by the principle of providing our clients the best possible building experience on every project. Holland has been providing quality construction services throughout Illinois and Missouri since 1986, when it was founded by company CEO Bruce Holland.