Grant’s Mechanical employees are committed to creating competitive mechanical systems that exceed industry quality and efficiency standards with special emphasis on acquiring and maintaining long term business relationships.  Employees are empowered to be team players and receive unparalleled safety and technical training so they may expertly engage in mechanical challenges.

Design & Build is the heart and soul of Grant's Mechanical LLC Since its inception in 1975 by Professional Engineer Grant Johnson, the conviction of Grant's Mechanical LLC has been that of a company who is knowledgeable in the design, workings and installations of mechanical systems that will better meet the ever-changing needs of our customers.

Grant’s Mechanical LLC has an estimating staff of registered Professional Engineers, degreed engineers in training, CAD technicians, and GMI Skilled Trade School graduates. 


Our engineering staff prides itself on continuing education, participation in professional trade events, attending vendor training programs and staying current of changes in technologies, industry standards, building codes and trends in customer needs. Whether the job is small or large, new construction or retrofits, Grant’s Mechanical can handle all of your design and installation needs.

Whether your company’s goal is to reduce operating costs, improve worker/customer comfort, minimize installation costs, and/or improve the environment, Grant's Mechanical's highly trained engineering staff can answer your questions and provide you with the design that meets your needs and an installation which will last for years, reduce your maintenance costs, and increase your building’s value. 

Grant’s Mechanical LLC was founded in 1975 by Grant Johnson, PE.  Grant’s Mechanical started as a commercial sheet metal company, added pipefitting in 1987, plumbing in 1994, and HVAC controls in 2005. 

Grant's Mechanical has been an innovator in new technologies while striving to improve our customers comfort and bottom line.  Our commitment from day one has been to promote and encourage education, continuous improvement in the company’s technology/automation, and providing our employees a safe and rewarding workplace.

3239 15th Street South

Fargo, ND 58104


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Equal Employment Opportunity/Affirmative Action Employer

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