Leadership through Innovative and Responsible Solutions


Harris Companies ranks 17th amongst Mechanical Contractors, rises to 66th overall.
The Post-Bulletin - August 2012
Arizona Pipe Trades Reporter - Summer 2012
Harris Companies Acquires R.M. Thornton, Inc., a commercial mechanical contracting company providing plumbing and HVAC services throughout Maryland, Virginia, and the District of Columbia.
"The Promise of an Open Building Control System"
Article written by Brett Parry / Wasatch Controls
Utah Facilities Magazine Nov/Dec 2011
Congratulations to Kevin Zwiefelhofer on receiving both a Bronze and Gold award by Linc Network for his achievements in the 4th Quarter of 2011.
2011 ENR Top 600 Specialty Contractors 
Harris Companies ranks 13th amongst Mechanical Contractors, 72nd overall.
(Printable pdf version)
Harris Companies ranks among Nation's Best in CONTRACTOR Magazine's 2011 Book of Giants.

Keela Bakken was selected by the Minneapolis / St Paul Business Journal as one of 25 award honorees for the Business Women to Watch.    Keela Bakken - Women to Watch

Greg Hosch is honored as one of Minneapolis/St Paul Business Journal's  "40 Under Forty"

Minnesotans on the Move 2011 - Greg Hosch Honoree
Phc News announces Harris Companies - 2009 Contractor of the Year

Harris receives 2010 Xcel Energy Partner Designation

Harris Companies is ranked #17 on the PHC 2009 Top 100.

Harris Companies was chosen CenterPoint Energy's 2008 Trade Ally

Greg Hosch was named one of the "40 under 40 Superstars" by Building Design and Construction

Harris Companies

Harris Companies designs, builds, installs, controls, and maintains building systems for our health care, industrial, commercial, and institutional customers while maintaining our commitment to the success and increased adoption of sustainable construction practices throughout the industry.

Founded in 1948 by Charles Harris, Harris Plumbing & Heating has grown from its modest beginnings into one of the largest mechanical contractors in the United States, and 2009 Contractor of the Year according to Phc News. 

Harris Companies is an employee owned, Minnesota Corporation.  We believe an organization that is employee-owned is more focused on their client’s long-term satisfaction.  It is one of the key points that we feel distinguishes us in the marketplace. 

As our customers’ needs have evolved over the years, we have grown to accommodate them.  With over 1,100 employees in nine (9) locations in the United States, the Harris Companies family now consists of the following:

Harris Mechanical                                  Harris Mechanical Southwest
St. Paul, MN                                              Phoenix, AZ

Harris Mechanical Intermountain      Harris Controls
Salt Lake City, UT                                    St. Paul, MN
Harris Service                                        HiMEC Mechanical
St. Paul, MN                                             Rochester & Northfield, MN

HiMEC Conveyors                                  R.M. Thornton                   
Rochester, MN                                        Capitol Heights, MD
Superior Air Handling                           Capital City Controls
Clearfield, UT & San Francisco, CA    Capitol Heights, MD
Wasatach Controls                              Wasatch Security
Salt Lake City, UT                                   Salt Lake City, UT
Contact information for Harris Companies:                   
P: 651-602-6500
F: 651-602-6699
909 Montreal Circle
St. Paul, MN  55102

Management Blog

Safety First
Added: 06-05-13, 12:00 am
In the most recent newsletter I talked about this year’s thematic goal, and how we at Harris Companies would likely be engaging outside experts to help us along our journey. As a bit of a recap, our goal for 2013 is to change our safety culture and performance.  Harris Companies is looking at differentiating ourselves from the marketplace by being a clearly recognized leader with a strong safety culture.  While improving our...  more