Hydrofarm Holdings Group, Inc., together with its subsidiaries, engages in the manufacture and distribution of controlled environment agriculture (CEA) equipment and supplies in the United States and Canada. The company provides agricultural lighting devices, indoor climate control equipment, and nutrients, as well as plant additives used to grow, farm, and cultivate cannabis, flowers, fruits, plants, vegetables, grains, and herbs in controlled environment. It is also involved in the distribution of CEA equipment and supplies comprising grow light systems; heating, ventilation, and air conditioning systems; humidity and carbon dioxide monitors and controllers; water pumps, heaters, chillers, and filters; nutrient and fertilizer delivery systems; and various growing media made from soil, rock wool or coconut fiber. The company offers its products under the Phantom, PhotoBio, Active Aqua, Active Air, HEAVY 16, House & Garden, Mad Farmer, Roots Organics, Soul, Procision, Grotek, Gaia Green, and Innovative Growers Equipment brands. Hydrofarm Holdings Group, Inc. was founded in 1977 and is based in Shoemakersville, Pennsylvania.