With offices in the United States and Canada, HFP provides acoustical consulting services for major industrial, infrastructure and architectural clients. Founded in  1979, HFP has successfully completed more than 2800 acoustical engineering  projects in 19 countries on 6 continents.HFP is pleased to announce that we have recently been acquired by SLR International Corporation (SLR).  SLR is an employee-owned, multi-national environmental consulting and engineering company with offices  in the United States, Canada, the United Kingdom, Ireland, Australia, Namibia, and South Africa  all of which are part of SLR Holdings Ltd. SLR serves the key business sectors of mining & minerals, energy, industry, waste management, infrastructure, and planning & development.  Please note that this website is no longer being updated and some information may no longer be current. HFP takes pride in our extensive project experience and our acoustical expertise. We develop technical solutions to enhance the acoustical environment for our clients’ facilities. As a respected independent consulting firm, HFP is an experienced industry leader, proven by our diversity of successful projects completed for our valued clients. HFP forges long-term, trusting client relationships.