In 2018 the U.S. state of Iowa listed FLSmidth on its Iran prohibited companies list requiring divestment and rendering FLSmidth ineligible for investment and/or state contracting.
In 2017 the U.S. state of California listed FLSmidth as a company under review for reportedly opening a new office in Iran to service mineral and cement customers.
"FLSmidth is a global engineering company based in Copenhagen, Denmark. With almost 13,000 employees worldwide, it provides global cement and mineral industries with factories, machinery, services and know-how. “FLSmidth has a very long time history in Iran. We have been here for more than 80 years. So, we feel actually that we have been all the time. Sometimes, we had a permanent representative and sometimes we have worked from aboard,” Kristensen explained." (August 2016) Response: “FLSMidth has not agreed to participate in the Iran Post Sanctions Business Forum in Berlin on January 24-25, 2017.”
"Denmark's FLSmidth has selected Iranian Ehdas San'at Company as its representative for the implementation of projects and services in Iran. Managing Director of Ehdas San'at Morteza Hashempour and the Director of FLSmidth, Thomas Schulz, have signed a scientific, technical and economic cooperation memorandum of understanding to cooperate in the cement industry in Tehran. Ehdas San'at has agreed to a close cooperation with FLSmidth in the field of producing related equipment and constructing new projects, as well as the optimisation and reconstruction of existing cement plant." (October 8, 2015).
"Also on Wednesday, the Danish engineering firm FLSmidth informed the advocacy group United Against Nuclear Iran that it would be pulling out of the forum. A spokesman for the firm confirmed the withdrawal to me." (The Wall Street Journal, "About Those Iran Sanctions," 10/16/14)