Hydrofarm Holdings Group, Inc., together with its subsidiaries, manufactures and distributes hydroponics equipment and supplies for controlled environment agriculture (CEA) 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 nutrients and fertilizers; grow light systems; horticulture benches and racking systems; heating, ventilation, and air conditioning systems; humidity and carbon dioxide monitors and controllers; water pumps, heaters, chillers, and filters; and various grow media made from soil, peat, rock wool or coconut fiber, and others. The company offers its products to specialty hydroponic retailers, commercial resellers and greenhouse builders, garden centers, hardware stores, and e-commerce retailers under the Active Air, Active Aqua, Aurora Peat Products, HEAVY 16, House & Garden, Gaia Green Organics, Grotek, Innovative Growers Equipment, Mad Farmer, Phantom, PHOTOBIO, Procision, Roots Organics, Growtainer, and SunBlaster brands. It serves its products through a range of commercial and home gardening equipment and supplies retailers. The company was founded in 1977 and is based in Shoemakersville, Pennsylvania.