Berger

Berger is one of the world's leading producers of horticultural and agricultural growing mixes and substrates. The company supplies professional growers with a range of products (including compressed substrate bales), technical services, laboratory testing, and delivery/equipment support. Company materials note multiple production plants and harvest areas across North America (company pages reference nine production sites and thirteen harvest areas), ISO 9001 certification for mixing plants, four laboratories, about 280,000 quality tests annually, a food-safety testing program, and a dedicated sales and technical support team for growers.