OUR MISSION
Positively impacting people through innovative facility solutions.
OUR VALUES
We Care
We care about exceeding the expectations of our clients and enriching the lives of our people.
Integrity
We will commit to developing strong relationships through honesty and trust.
Quality
We believe that excellence and accountability are necessary characteristics that result in accomplishment for our employees and success for our clients.
Collaboration
We will provide the best solution by working together as coworkers, clients, and partners.
Smart Innovation
We will continue to innovate new products, technologies, and lines of service that provide superior client solutions and ensure company success.
OUR VISION
To be the sought-after facility services consulting expert and employer of choice both regionally and beyond.
ONE CAREERS
We are looking for individuals that fit our culture! Check out our current opportunities!
ONE Timeline
Obermiller and Nelson start ONE
Established in 1992 by Mechanical Engineers Dave Obermiller and Jim Nelson.
Jeff Splichal Becomes Partner
2003 - Mechanical Engineer Jeff Splichal Becomes Partner 
ONE Acquires Poykko Engineering
ONE acquires Poykko Engineering of Grand Forks, ND 
Christenson and Wavra Become Partners
In 2007, Jeremiah Christenson and Brent Wavra become partners. 
Dave Vig Becomes Partner
In 2008, Dave Vig joined ONE as the sixth partner. 
ONE Expands Into Minnesota
In 2011, ONE expands into Minnesota with an office in Alexandria. 
ONE Acquires KJ Schwartz Engineering
In 2012, ONE acquires KJ Schwartz Engineering in Bismarck, ND. Jeff Splichal Moves Into Semi-retirement
In 2015, Jeff Splichal happily moved into semi-retirement. 
ONE Expands Into Minneapolis
ONE makes the move to join the Minneapolis building construction scene. 
ONE Adds a Civil Engineering Department
2015– ONE adds a Civil Engineering Department with the leadership of Steve Schilke. 
Dave Obermiller Announces Early Retirement
In 2015, co-founder and partner Dave Obermiller announces his early retirement from ONE. 
Bartsch and Rector Become Partners
January 1st, 2016 - Electrical Engineer Andrew Bartsch and Mechanical Engineer Ned Rector Became Partners... 
ONE Merges with FJJ
Obermiller Nelson Engineering (ONE) is excited to announce that Duluth-based engineering firm, Foste...