MacGregor Plumbing, Heating, Air Conditioning & Electri...

Serving the Harbor Springs, Charlevoix and Petoskey region of Northern Michigan For nearly fifty years, MacGregor is the area’s premier provider of plumbing, heating, air conditioning and drain cleaning services. Now, MacGregor is proud to be considered ...

Major Geothermal Inc.

Major Geothermal - Geothermal Products, Tools, & Consulting for Design and Installation Professionals * Looping Design * Conductivity Testing * Quality Assurance * Forensic Evaluation Major Geothermal provides professional training in several cat ...

Mapleleaf Geothermal

EARTHLINKED geothermal designer and installer for residential and commercial applications. HISTORIC home specialist.

Martha's Vineyard Geothermal

McLouis Robinet

Mechanical Equipment Sales Inc.

Mechanical Services Inc.

Meline Engineering Corporation

Meline Engineering was founded in 1995 in Sacramento, California. We provide energy efficient mechanical system designs for residential and non-residential buildings. As mechanical engineers we consider ourselves the west coast industry leader in desig ...

Mid-State Drilling

Mid-State Construction has been installing geothermal heat exchange systems for more than a decade. We are the largest installer in Tennessee, and one of the largest in the Southeast. We have been trained and are certified by the International Ground Sour ...

Middleton Corporation

Middleton Geothermal Services LLC delivers accurate, high quality conductivity testing, system design & turnkey deployment services for the commercial and industrial geothermal markets. Middleton Geothermal Services has been designing and installing ge ...

Middleton Heat & Air ^New!

With decades of experience in the heating and air industry, Middleton Heat and Air has a long tradition of quality and excellence behind it. Locally owned and managed, Middleton Heat and Air was founded by Chuck and Anita Middleton in 1976 in Bryant, Arka ...

Midwest Geothermal LLC

As the cost of fossil fuels continues to increase, the idea behind becoming "green" has become increasingly popular. Midwest Geothermal installs different types of geothermal loop systems, using the Earth's natural energy to meet your heating and cooling ...

Milhouse Enterprises

Alternative Energy Dealer and Installer in Northern NH.

Minnicks Heating and Air Conditioning

Mississippi Power

Mississippi Power is an investor-owned electric utility with 456 preferred stockholders. All of our common stock is held by Southern Company, which is owned by 195,261 registered stockholders, of which more than 5,300 live in Mississippi. Mississippi Powe ...

Moncrief Heating and Air Conditioning Inc.

Moncrief is Atlanta's premier A/C and Heating Specialist. In addition to air conditioning installation and repair, Moncrief also provides Heating, water filtration, indoor air filtration, humidity control, high velocity systems, and much more. Service: ...

Moon Lake Electric Association Inc.

Moon Lake Electric was organized in 1938 as a rural electric cooperative by residents of Northeastern Utah who were unable to obtain electric service from a private power company. Moon Lake employs 85 full-time employees and furnishes power to over 17 ...

MWD Heating & A/C Inc.