Meet Our Team

Jake Helgeson


As President of DMS, Jake leads the  overall business functions with an emphasis on Marketing, Sales, and Union partnerships as well as driving strategy, vision and corporate culture. He has background in technology sales since graduating from Minnesota State University, Mankato with a Bachelor’s degree in Economics. In his spare time, Jake enjoys outdoor activities such as fishing, bow hunting and hunting land management.

Contact Jake at 952-715-0089

Phil Gray

Partner and General Manager

Phil has led and delivered on complex projects from multi-million dollar homes to state of the art manufacturing facilities and everything in between.  With over 18 years of field experience and a Master Plumbing License, Phil has honed in his craft and looks to build upon the foundation that Davis Mechanical Systems has set forth in the market place. When not designing and running projects, Phil enjoys spending time with his children, wife Amy and smoking meats on his pellet smoker.

Contact Phil at or 651-900-9428

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Lead Project Manager and Estimator Plumbing and Pipefitting

T.J. has over 30 years’ experience working in the field and then project managing complex plumbing and pipefitting, commercial and industrial projects. There isn’t much in terms of piping that he hasn’t seen. When not working, T.J spends time with his three grown kids and their families as well as a serving on the Northfield Fire Dept. T.J. has been with Northfield Fire for 30 years in many different leadership roles and currently is the President of the relief association. We are blessed to have a genuinely great guy leading our team.

Contact T.J, at or 651-358-8541

Craig Helgeson

Refrigeration Project Manager and Service Lead

Craig holds a Bachelor’s degree from Concordia University and has a diverse background.  He brings over 12 years of experience in the HVAC industry in all aspects of installation, service, and refrigeration. Craig leads the refrigeration team, commercial service department in addition to overseeing the company safety program. When he isn’t working on HVAC systems, Craig enjoys spending time with his family and being involved in his kid's sports. 

Contact Craig at or 507-330-0257

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Tammy Remme

Business Manager

Tammy brings to DMS over 20 years’ experience in construction financing, operations, human resources and really every other function in construction operations. With business degrees from Normandale Community College and Cardinal Stritch University, Tammy has taken her education and excelled helping organizations grow revenue, scale efficiently and manage the fire drills that come with large, complex projects. When not in the office, Tammy enjoys spending time with her husband, two kids and many pets living on a lake in southern Minnesota.

Contact Tammy at or

952-854-3654 ext 3