Culligan, founded in 1936 and headquartered in the United States, operates within the manufacturing sector, specifically focusing on appliances and general manufacturing. The company employs over 10,000 individuals and reported significant revenue in the billions. Culligan is known for its expertise in water filtration and treatment solutions, particularly through its Culligan Quench brand. The company provides detailed installation requirements for its water filtration systems, emphasizing the need for specific plumbing and electrical setups to ensure proper functionality. Documentation includes pre-installation checklists that outline necessary conditions such as water pressure, space requirements, and drainage options for various models. Culligan's commitment to customer service is evident in its support resources, including dedicated customer care lines and informational content to assist clients with installation processes. The limited document corpus reflects Culligan's focus on operational guidelines and customer support in the water treatment industry.