The commercial plumbing companies in Minnesota provide essential services that ensure the functionality and comfort of both residential and commercial properties. This sector includes a variety of service providers ranging from small family-owned businesses to larger firms engaging both plumbing and HVAC installations, maintenance, and emergency repair services. As sustainability methods gain prominence, many companies are adopting energy-efficient solutions, addressing the growing consumer demand for environmentally friendly options. With a focus on innovation and technology, the future of this industry is geared toward improving operational efficiencies and enhancing customer experience while navigating strict regulatory frameworks.


The companies listed here showcase a mix of sizes and specialties, primarily operating out of cities like Duluth, Rochester, and Eden Prairie. Established between 1934 and 2010, these privately-held firms employ anywhere from 11 to 1,000 people. Notable for their range of services, these companies encompass reliable plumbing, HVAC work, and emergency services, exhibiting a strong presence in the Minnesota plumbing market.


Continue reading to discover the top commercial plumbing companies in Minnesota.


Top 23 Commercial Plumbing Companies in Minnesota


1. Air Mechanical Inc.

  • Website: airmechanical.com
  • Ownership type: Private
  • Headquarters: Ham Lake, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 94%, Iran 6%
  • Founded year: 1985
  • Headcount: 51-200
  • LinkedIn: air-mechanical-inc.

Air Mechanical Inc., based in Ham Lake, Minnesota, has been providing essential services since 1985. The company specializes in HVAC, plumbing, and electrical services, serving both residential and commercial clients in the Minneapolis area. With a workforce of approximately 118 employees, Air Mechanical is equipped to handle a variety of tasks, from routine maintenance to emergency repairs. Their plumbing services include installation, maintenance, and repair of systems such as water heaters, sump pumps, and drain cleaning. The company prides itself on customer satisfaction and offers a range of membership plans for ongoing service. Their extensive experience and commitment to quality make them a notable player in the plumbing industry.


2. Tonna Mechanical, Inc.

  • Website: calltonna.com
  • Ownership type: Private
  • Headquarters: Rochester, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1976
  • Headcount: 51-200
  • LinkedIn: tonna-mechanical-inc-

Tonna Mechanical, Inc., based in Rochester, Minnesota, has been a trusted service provider since its founding in 1976. Specializing in heating, cooling, plumbing, and water treatment solutions, the company serves both residential and commercial customers in the Rochester area. Tonna Mechanical offers a wide array of services, including installation, repair, and maintenance of plumbing systems, water heaters, and gas lines. Their team consists of NATE-certified technicians who are trained to handle various plumbing challenges, ensuring quality service and customer satisfaction. The company prides itself on its commitment to reliability and professionalism, which has helped it build long-term relationships with clients over the decades. Tonna Mechanical also provides 24/7 emergency services, reflecting their dedication to being available when customers need them most. With a focus on continuous improvement and adaptation to industry standards, Tonna Mechanical remains a relevant player in the plumbing industry.


3. AG O'Brien Plumbing & Heating

  • Website: agobrien.com
  • Ownership type: Private
  • Headquarters: Duluth, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1934
  • Headcount: 51-200
  • LinkedIn: ag-o-brien-plumbing-heating

AG O'Brien Plumbing & Heating Co. is a service-oriented company based in Duluth, Minnesota, specializing in plumbing and HVAC solutions. Founded in 1934, the company has nearly 90 years of experience in the industry. They provide a comprehensive range of services, including installation, repair, and maintenance for both residential and commercial clients. Their expertise covers various aspects of plumbing and HVAC systems, ensuring that customers receive efficient and reliable solutions for their comfort needs. AG O'Brien is known for its commitment to customer service, focusing on clear communication and transparency throughout the service process. The company has built a reputation for quality work, serving notable local businesses and community leaders, which underscores their capability and reliability in the commercial plumbing sector.


4. B&D Plumbing, Heating & Air Conditioning, LLC


B&D Plumbing, Heating & Air Conditioning, LLC, based in St. Michael, Minnesota, is a family-owned service company specializing in plumbing, heating, and cooling solutions. Founded in 1982, the company has built a solid reputation over the years, serving both residential and commercial clients in the greater Twin Cities metro area. Their extensive service offerings include emergency plumbing, water heater installation, and HVAC maintenance, catering to a wide array of customer needs. With a workforce of 51-200 employees, B&D Plumbing has demonstrated its capability to handle various projects, including new construction and remodeling. The company prides itself on providing timely and efficient service, which has led to a loyal customer base and numerous positive reviews. Their focus on commercial plumbing, alongside their commitment to customer education and satisfaction, positions them as a significant player in the plumbing industry.


5. Elander Mechanical Inc.

  • Website: elandermechanical.com
  • Ownership type: Family Owned
  • Headquarters: Shakopee, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1982
  • Headcount: 51-200
  • LinkedIn: elander-mechanical-inc-

Elander Mechanical Inc., based in Shakopee, Minnesota, has been a prominent player in the plumbing and HVAC industry since its founding in 1982. This family-owned business has grown from a small plumbing company to a well-respected service provider in the Twin Cities area, employing over 150 professionals. Elander Mechanical specializes in a wide range of services, including plumbing installation, HVAC systems, and commercial construction projects. Their focus on quality craftsmanship and customer satisfaction has earned them a loyal client base. The company is also involved in community outreach, contributing to local initiatives such as building homes for veterans and supporting families facing health challenges. Elander Mechanical's commitment to service excellence and community involvement underscores its relevance in the commercial plumbing sector.


6. Schadegg Mechanical Inc

  • Website: schadegg-mech.com
  • Ownership type: Private
  • Headquarters: South Saint Paul, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1997
  • Headcount: 501-1000
  • LinkedIn: schadegg-mechanical-inc

Schadegg Mechanical Inc, founded in 1997, is a private mechanical contractor based in South Saint Paul, Minnesota. The company specializes in HVAC, plumbing, piping, and custom fabrication services, primarily serving commercial and industrial clients. With a workforce of around 55 employees, Schadegg Mechanical is committed to delivering quality workmanship and innovative solutions tailored to the unique needs of their clients. Their service offerings include installation, maintenance, and emergency repair services, ensuring that facilities operate efficiently and comfortably. The company has successfully completed various projects, including high-profile facilities like the Minnesota Timberwolves/Lynx Practice Facility and the University of Minnesota Microbiology Research Facility, demonstrating their expertise and reliability in the commercial plumbing sector.


7. 4Front Energy

  • Website: 4frontenergy.com
  • Ownership type: Private
  • Headquarters: St. Louis Park, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1993
  • Headcount: 51-200
  • LinkedIn: 4front-energy-solutions

4Front Energy, based in St. Louis Park, Minnesota, has been a player in the service industry since its founding in 1993. The company provides a comprehensive suite of services, including HVAC, plumbing, and electrical solutions. They cater to both residential and commercial customers, ensuring that their offerings meet a wide range of needs. With a team of licensed and experienced technicians, 4Front Energy emphasizes quality service and customer satisfaction. Their plumbing services cover everything from routine repairs to complex installations, including commercial plumbing projects. The company operates with a strong commitment to integrity and transparency, which has helped them build a solid reputation in the Twin Cities area.


8. Cool Air Mechanical - Minnesota


Cool Air Mechanical - Minnesota, established in 1965, is a family-owned mechanical contractor based in Ham Lake, Minnesota. The company specializes in HVAC, plumbing, and industrial refrigeration services, catering primarily to commercial and industrial clients. With a workforce of 51-200 employees, Cool Air Mechanical has built a reputation for providing tailored solutions that ensure the efficient operation and maintenance of mechanical systems. Their expertise spans installation, repair, and ongoing maintenance, with a strong emphasis on customer satisfaction and fostering long-term partnerships. Over the years, they have expanded their capabilities, including the addition of a plumbing division in 2014 and a controls division in 2023. Their commitment to quality service is evident in their 24/7 emergency service offerings and customizable maintenance agreements, which help clients minimize downtime and protect their investments. Cool Air Mechanical has successfully completed projects across various sectors, including food and beverage, healthcare, and retail, demonstrating their ability to meet the unique needs of different industries.


9. Harty Mechanical Inc

  • Website: hartymechanical.com
  • Ownership type: Private
  • Headquarters: Austin, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 11-50
  • LinkedIn: harty-mechanical-inc

Harty Mechanical Inc, based in Austin, Minnesota, is a mechanical contracting firm that specializes in plumbing, heating, and cooling services. Founded in 1979, the company has grown to employ around 17 professionals, focusing on comprehensive mechanical installations and maintenance. Harty Mechanical serves a variety of sectors, including healthcare, education, and commercial buildings, demonstrating their ability to adapt to different project requirements. They are recognized for their expertise in geothermal systems and energy-efficient solutions, which are increasingly important in today's market. The company operates as a Minnesota union contracting corporation, ensuring a skilled workforce dedicated to quality and safety. Harty Mechanical's project portfolio includes nursing homes, schools, hotels, and manufacturing facilities, showcasing their capability in both new construction and remodeling projects. Their proactive approach to service and maintenance further solidifies their position in the industry, making them a reliable partner for building owners and managers.


10. Northern Services


Northern Services, established in 1981, is a family-owned plumbing and HVAC service company located in Olivia, Minnesota. With a dedicated team of approximately 23 employees, the company has built a reputation for delivering high-quality plumbing, heating, and air conditioning services to both residential and commercial customers. Their service offerings include drain cleaning, sewer line excavation, heating installation, and air conditioning repair. Northern Services prides itself on customer satisfaction and has developed a strong local presence in Renville County and surrounding areas. The company has also engaged in community initiatives, such as their Bear Hug Program, which aims to assist families in need with emergency HVAC and plumbing services. This commitment to community service, combined with their extensive experience in the industry, underscores their role as a reliable service provider in the plumbing sector.


11. RT Moore Co MN

  • Website: rtm.co
  • Ownership type: Family Owned
  • Headquarters: Eden Prairie, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 96%, India 4%
  • Founded year: 2008
  • Headcount: 11-50
  • LinkedIn: r-t-moore-mechanical-mn

RT Moore Co MN, established in 2008 and headquartered in Eden Prairie, Minnesota, is a family-owned mechanical contracting firm. The company specializes in plumbing and HVAC services tailored for commercial and multifamily projects. Under the leadership of President Elizabeth Moore, RT Moore Co MN has expanded its operations to cover eight states in the upper Midwest, including Nebraska, Wisconsin, Iowa, Tennessee, Missouri, North Dakota, South Dakota, and Wyoming. The firm prides itself on delivering quality workmanship and punctual services, which are critical in the competitive commercial sector. As a certified women-owned business (WBE) and small business enterprise (SBE), RT Moore Co MN not only meets industry standards but also contributes to the diversity of the contracting landscape. The company is a member of the Minnesota Plumbing-Heating-Cooling Contractors Association, further solidifying its commitment to industry standards and practices. With over 110 projects completed, RT Moore Co MN has demonstrated its capability and reliability in the commercial plumbing market.


12. Lawrence Plumbing


Lawrence Plumbing LLC, based in Cottage Grove, Minnesota, has been a player in the plumbing, heating, and cooling industry since its establishment in 2001. The company specializes in a broad spectrum of services, including installation, maintenance, and repair for both residential and commercial customers. With a focus on customer satisfaction, Lawrence Plumbing offers 24/7 emergency services, ensuring that clients can receive assistance whenever needed. They also provide financing options, making their services accessible to a wider audience. The company prides itself on being fully licensed and insured, which adds a layer of trust for potential clients. With a small team of 1-10 employees, Lawrence Plumbing maintains a personal touch in its operations, fostering strong relationships with its customers. Their commitment to quality service is reflected in their impressive customer reviews, showcasing their reliability and expertise in the field.


13. J-Berd Companies

  • Website: j-berd.com
  • Ownership type: Private
  • Headquarters: Sauk Rapids, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1992
  • Headcount: 201-500
  • LinkedIn: j-berd-mechanical-contractors-inc.

J-Berd Companies, founded in 1992 and based in Sauk Rapids, Minnesota, is a construction contractor that specializes in mechanical, electrical, plumbing, and fire protection services. The company serves a variety of clients, including multi-unit residential, commercial, and institutional sectors across the Midwest. With a workforce of 201-500 employees, J-Berd has established itself as a reliable partner in the construction industry. They pride themselves on a streamlined approach to project management, integrating multiple trades under one contractor to enhance efficiency and communication. J-Berd's plumbing services cover a wide range of needs, from design to installation and maintenance, ensuring that they meet the unique requirements of each project. Their commitment to quality and customer satisfaction has earned them a solid reputation in the market, making them a notable player in the plumbing industry.


14. P&R Plumbing and Heating, Inc

  • Website: prplumb.net
  • Ownership type: Private
  • Headquarters: Duluth, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2010
  • Headcount: 11-50
  • LinkedIn: prplumbing

P&R Plumbing and Heating, Inc. is a plumbing and HVAC service provider based in Duluth, Minnesota. Established in 2010, the company specializes in installing and servicing plumbing and HVAC systems for a variety of projects, including residential, multi-family, and commercial developments. Their service offerings include design-build, consulting, and bid specification, catering to the needs of homeowners, developers, and businesses alike. P&R Plumbing and Heating prides itself on employing skilled union tradesmen and women, contributing to the local economy while ensuring high-quality workmanship. The company has played a significant role in the growth of new buildings in the Duluth-Superior area, with a portfolio that includes notable projects such as the ONYX of Superior and St. Luke’s Sports & Event Center. Their focus on complex plumbing and HVAC systems showcases their expertise and commitment to meeting project expectations.


15. Esser Plumbing & Heating INC


Esser Plumbing & Heating INC, based in Perham, Minnesota, is a family-owned service company that specializes in heating, plumbing, and air conditioning solutions. Founded in 1955, the company has built a reputation for providing reliable installation, repair, and maintenance services to both residential and commercial clients. They operate primarily in the Lakes Area of Minnesota and are known for their prompt response times, offering 24/7 emergency services to address urgent customer needs. Their service portfolio includes plumbing, drain and sewer services, heating installation and repair, air conditioning services, and geothermal systems. With a team of licensed technicians, Esser Plumbing & Heating emphasizes professionalism and customer satisfaction, ensuring that installations and repairs are performed correctly the first time. The company has maintained a strong local presence and continues to adapt to the evolving needs of its clientele.


16. New Century Service

  • Website: contactncs.com
  • Ownership type: Private
  • Headquarters: Otsego, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2000
  • Headcount: 51-200
  • LinkedIn: new-century-systems

New Century Service, based in Otsego, Minnesota, has been a prominent service provider since its establishment in 2000. The company specializes in HVAC, electrical, plumbing, and home improvement solutions, catering to both residential and commercial customers. With a workforce of 51-200 employees, New Century Service emphasizes quality and customer satisfaction in all its operations. Their plumbing services include everything from repairing leaks to comprehensive installations, ensuring that essential systems function efficiently. The company operates with a strong commitment to professionalism, as evidenced by numerous positive customer testimonials. They also offer financing options, making their services accessible to a broader audience. New Century Service has built a reputation for reliability and expertise in the plumbing industry, making them a noteworthy player in the market.


17. Legend Companies

  • Website: legendcompanies.com
  • Ownership type: Private
  • Headquarters: Savage, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn: legend-companies

Legend Companies, founded in 2010 and based in Savage, Minnesota, is a private service-oriented firm specializing in HVAC construction, plumbing, and facility services. With a workforce of 51-200 employees, the company caters primarily to the commercial, industrial, and food service sectors. They provide essential maintenance and repair services aimed at ensuring operational efficiency. Their offerings include emergency services, preventative maintenance, and specialized construction projects. Legend Companies has built a reputation for quality and customer satisfaction, as reflected in the positive testimonials from various clients. The company has also expanded its market presence through the acquisition of A+ Services, allowing them to enhance their service capabilities in the Rochester, MN area. This strategic move demonstrates their commitment to growth and adaptability in a competitive industry.


18. Modern Heating & Air Conditioning

  • Website: modernhtg.com
  • Ownership type: Corporate
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: August 2015
  • Founded year: 1963
  • Headcount: 51-200
  • LinkedIn: modern-heating-%26-air

Modern Heating & Air Conditioning, founded in 1963, is a Minneapolis-based service company that provides comprehensive HVAC and plumbing solutions tailored for commercial clients. With a workforce of 58 employees, the company has built a reputation for delivering reliable mechanical services and enhancing energy efficiency for over five decades. Their service portfolio includes operational assessments, planned maintenance, emergency repairs, and commercial plumbing, all aimed at improving the operational efficiency of facilities. They serve a variety of sectors, including healthcare, education, and industrial manufacturing, and have established long-term relationships with facility managers and building owners. Their affiliation with Service Logic allows them to offer streamlined mechanical services across the country, further solidifying their position in the industry. Modern Heating & Air Conditioning is committed to client satisfaction and energy optimization, making them a notable player in the HVAC and plumbing sectors.


19. Silver Tree Plumbing and Heating, LLC


Silver Tree Plumbing and Heating, LLC is a family-owned plumbing and HVAC service provider based in Mendota Heights, Minnesota. Established in 2010, the company has built a reputation for delivering a comprehensive range of services, including plumbing installations, heating systems, and cooling solutions. They cater to both residential and commercial customers, primarily in Dakota County. With a team of skilled professionals, Silver Tree emphasizes quality workmanship and customer satisfaction. Their offerings include emergency services, routine maintenance, and specialized solutions like water softeners and radiant flooring. The company is committed to ensuring comfort and efficiency in the properties they service, making them a notable entity in the plumbing industry.


20. Precise Heating, Air Conditioning, Plumbing and Refrigeration.


Precise Heating, Air Conditioning, Plumbing and Refrigeration, founded in 2002 and based in Saint Joseph, Minnesota, is a private service company specializing in HVAC and plumbing solutions. With a workforce of 11 to 50 employees, they cater to both residential and commercial customers, ensuring comfort and efficiency in various environments. Their service portfolio includes installation, maintenance, and repair of air conditioning systems, heating units, plumbing fixtures, and refrigeration systems. The company prides itself on delivering reliable service and quality customer care, which is reflected in their high customer satisfaction ratings. They also offer 24-hour emergency services, demonstrating their commitment to addressing urgent client needs promptly. Precise Heating has established itself as a trusted provider in the industry, focusing on energy efficiency and modern technology in their service offerings.


21. Muska Companies

  • Website: muskacompanies.com
  • Ownership type: Family Owned
  • Headquarters: Roseville, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1919
  • Headcount: 201-500
  • LinkedIn: muska-electric-company

Muska Companies, based in Roseville, Minnesota, has been a fixture in the construction industry since its founding in 1919. Originally starting as a lighting shop, the company has evolved into a comprehensive contractor specializing in electrical, plumbing, and technology services. With a workforce of approximately 300 employees, Muska Companies serves a variety of sectors, including industrial, commercial, and residential markets. Their plumbing division is particularly noteworthy, offering extensive services such as design-build, maintenance, and new construction. The company has built a solid reputation for reliability and quality, which is reflected in the positive feedback from clients across multiple projects. Muska Companies has been employee-owned since 1978, which fosters a culture of accountability and commitment to excellence. They have not reported any recent funding, indicating a stable operational model that has sustained them through decades of service.


22. Metropolitan Mechanical Contractors

  • Website: metromech.com
  • Ownership type: Corporate
  • Headquarters: Eden Prairie, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: April 2022
  • Founded year: 1963
  • Headcount: 501-1000
  • LinkedIn: metropolitan-mechanical-contractors-mmc

Metropolitan Mechanical Contractors, Inc. (MMC), based in Eden Prairie, Minnesota, is a mechanical contractor with a focus on HVAC systems, plumbing, and building automation services. Founded in 1963, the company has built a solid reputation over the decades, serving clients in various sectors, including healthcare facilities, educational institutions, and government buildings. MMC offers a full suite of services, from design and installation to ongoing maintenance, ensuring that mechanical systems operate efficiently and safely. Their extensive experience is reflected in their impressive project portfolio, which includes notable landmarks like the Mall of America and Target Field. With a workforce of around 208 employees, MMC is well-equipped to manage complex mechanical systems and provide tailored solutions to meet client needs. Their commitment to community involvement and safety further enhances their standing in the industry.


23. Northland Mechanical Contractors, Inc.


Northland Mechanical Contractors, Inc., based in New Hope, Minnesota, has been a prominent player in the mechanical contracting industry since its inception in 1971. With a workforce of 51-200 employees, the company specializes in plumbing, HVAC, electrical, and refrigeration services. They cater primarily to commercial clients, providing essential maintenance and emergency services that ensure operational efficiency. Northland Mechanical is committed to customer satisfaction, offering 24/7 support to address urgent service needs. Their team consists of professional, factory-trained technicians who are among the most experienced in the upper Midwest. The company has built a reputation for delivering high-quality, cost-effective solutions tailored to the specific needs of their clients, which is critical in the competitive landscape of commercial plumbing.



Commercial Plumbing Insights: Key Companies in Minnesota


CompanyHeadquarterSizeFoundedOwnership
Air Mechanical Inc.Ham Lake, Minnesota, United States (USA)51-2001985Private
Tonna Mechanical, Inc.Rochester, Minnesota, United States (USA)51-2001976Private
AG O'Brien Plumbing & HeatingDuluth, Minnesota, United States (USA)51-2001934Private
B&D Plumbing, Heating & Air Conditioning, LLCSaint Michael, Minnesota, United States (USA)51-2001982Family Owned
Elander Mechanical Inc.Shakopee, Minnesota, United States (USA)51-2001982Family Owned
Schadegg Mechanical IncSouth Saint Paul, Minnesota, United States (USA)501-10001997Private
4Front EnergySt. Louis Park, Minnesota, United States (USA)51-2001993Private
Cool Air Mechanical - MinnesotaHam Lake, Minnesota, United States (USA)51-2001965Family Owned
Harty Mechanical IncAustin, Minnesota, United States (USA)11-501979Private
Northern ServicesOlivia, Minnesota, United States (USA)11-501981Family Owned
RT Moore Co MNEden Prairie, Minnesota, United States (USA)11-502008Family Owned
Lawrence PlumbingCottage Grove, Minnesota, United States (USA)1-102001Private
J-Berd CompaniesSauk Rapids, Minnesota, United States (USA)201-5001992Private
P&R Plumbing and Heating, IncDuluth, Minnesota, United States (USA)11-502010Private
Esser Plumbing & Heating INCPerham, Minnesota, United States (USA)11-501955Family Owned
New Century ServiceOtsego, Minnesota, United States (USA)51-2002000Private
Legend CompaniesSavage, Minnesota, United States (USA)51-2002010Private
Modern Heating & Air ConditioningMinneapolis, Minnesota, United States (USA)51-2001963Corporate
Silver Tree Plumbing and Heating, LLCMendota Heights, Minnesota, United States (USA)51-2002010Family Owned
Precise Heating, Air Conditioning, Plumbing and Refrigeration.Saint Joseph, Minnesota, United States (USA)11-502002Private
Muska CompaniesRoseville, Minnesota, United States (USA)201-5001919Family Owned
Metropolitan Mechanical ContractorsEden Prairie, Minnesota, United States (USA)501-10001963Corporate
Northland Mechanical Contractors, Inc.New Hope, Minnesota, United States (USA)51-2001971Private


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