M&M Refrigeration Inc., a provider of industrial refrigeration equipment and controls, has posted a video on its new YouTube Channel.

In the video, the owner of M&M, Duffy McConnell, gives a brief history of the company. McConnell started the company in 1969 by providing refrigeration service work after he returned from military service. The Federalsburg, Md.-based company now designs, engineers and manufactures refrigeration systems all around the world and is a provider of CO2 technology in North America with over 50 completed projects, including reportedly the largest CO2 cold storage plant in the world.

The video shows technicians, engineers and welders as they design and produce refrigeration systems. Watch it here.