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United States

Knight Piésold and Co.
1999 Broadway, Suite 900
Denver, CO
USA 80202-5706
+1 303 629 8788
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Knight Piésold and Co.
460 West Silver Street, Suite 106
Elko, NV
USA 89801
+1 775 738 2265
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Knight Piésold and Co.
3275 W. Ina Rd., Suite 109
Tucson, AZ
USA 85741
+1 520 807 1114
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Knight Piésold USA was established in 1985 in Denver, CO and has become a leading consultancy providing engineering and environmental services in the mining and hydropower industries. Branch offices were established in Elko, NV (1989) and Tucson, AZ (2007), and a high-end laboratory offering state-of-the-art geotechnical testing is also located in Denver. Knight Piésold USA also established subsidiaries in Brazil in 2014 and Mexico in 2020 to support clients in those locations and maintains operational responsibility over those offices. 

Our staff of highly qualified engineers, technicians, and support personnel provide engineering solutions to mostly private sector clients in the United States and around the globe, specializing in the design, construction, and operation of tailings dams, hydropower and water supply dams, open pits, heap leach facilities, and tailings delivery systems. We also are industry leaders in water balance analyses, dam breach analyses, and other specialized services. Our diverse staff, representing more than 14 different nations, works hard to provide superior products and excellent customer service to our clients. Our skilled specialists focus on developing innovative, cost-effective solutions that are tailored to the specific challenges of each project. Whether it involves mining in cold regions, hydropower supply in desert regions, or filtered tailings operations in the tropics, we get the job done. Our commitment to quality is evident in the repeat business of satisfied clients that trust us to do the job well, and to suggest and employ measures that will improve productivity, cost-efficiency, and safety. We care about the projects we take on and the people that are served by them. We take care of our clients as well as our team members to the very best of our ability.

Our group is certified to the ISO 9001:2015 Quality Management, ISO 14001:2015 Environmental Management, and ISO 45001:2018 Occupational Health and Safety standards. These certifications help us to establish the processes that help us navigate projects in an organized and efficient manner that aids in our daily work, and we are proud to maintain that standing.