Where is the hach company located? Hach Company is located in Loveland, CO, United States and is part of the Navigational, Measuring, Electromedical, and Control Instruments Manufacturing Industry. Hach Company has 1000 total employees across all of its locations and generates $536.17 million in sales (USD).Where do i send my hach package? United States. Hach Company P.O. Box 389 Loveland, Colorado 80539-0389 Phone: 800-227-4224 Fax: 970-669-2932 www.Hach.comHow do i contact hach technical support? Technical Support Toll Free US and Canada Phone: 800.368.2723 Outside US and Canada Phone: 970.622.7120 24/7 Technical Support (Flow only) Phone: 800.635.1230 E-mail: [email protected] Website: New Hach Flow Page!When did hach become hach? In 1978, Hach moved its instrument pision and its corporate headquarters to Loveland, Colorado. Hach Chemical Co. became Hach Company in 1980. In 1985, Clifford Hach was chairman; Kathryn Hach was vice-chairman; and Stelios Papadopoulos was president of the company, which had grown to 580 employees.