How do i contact hsm? HSM - Headquarters 235 2nd Ave NW PO Box 128 Hickory, NC 28601. Phone: 828-328-2201 Toll Free: 800-438-5341 Fax: 828-328-2103What is the hsm group? The HSM Group is now a pision of Newristics, LLC, a company focused on decision heuristics science. Decision heuristics science is the science of how humans use pre-programmed, mental shortcuts to make >95% of their decisions. Reliable Insights. Innovative Solutions.Why choose hsm property management? With HSM, your property is in safe hands. With our range of superior security solutions, we’ll keep your family, business and valuables protected, giving you peace of mind and one less thing to worry about. Our response times are one of the best in New Zealand.Why choose hsm security? We respond to alarms immediately, deterring would-be criminals from targeting your business. Life is stressful enough. With HSM, your property is in safe hands. With our range of superior security solutions, we’ll keep your family, business and valuables protected, giving you peace of mind and one less thing to worry about.