Midwesco Filter Resources/TDC Filter and Nordic Air Filtration are part of the MFRI Group, a publicly traded US-based organization. Together we offer customers a broad range of value-added filtration solutions worldwide. With manufacturing sites in the United States and Denmark, we are well positioned to be a one-stop shop for a variety of high quality air filtration products and services including filter cartridges, pleated bags, cages, field services and more.