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For over 120 years, Parr Instrument Company has been designing, manufacturing, and selling high quality laboratory instruments and apparatus for conducting chemical reactions and tests under heat and pressure and for testing fuels. Parrs extensive product line includes stirred reactors, pressure vessels, and high pressure tubular reactors for the study of catalytic and non-catalytic reactions in batch, continuous-flow, and multiple/parallel operation for the chemical, polymer, biofuels, hydrometallurgical, pharmaceutical, petroleum, and petrochemical industries. Custom designed complex reactor systems, built to the customers specifications and requirements are also provided. Parrs oxygen combustion calorimeters are used for the determination of the heat of combustion in solid, liquid, and refuse-derived fuels for the energy, educational, coal, and fuel testing industries. Parr also offers sample preparation vessels for extraction, digestion, and hydrothermal synthesis, as well as a line of vessels for cell disruption by nitrogen decompression.
With over a century in business, MLC (formerly Mississippi Lime Company) has built a reputation on the purity of its products, commitment to research and development, and tradition of customer satisfaction. MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world. The company supplies high-calcium quicklime, hydrated lime, calcium carbonate products, trucking services, and technical solutions from a diversified, reliable network of facilities in Ste. Genevieve, MO; Calera, AL; Verona, KY; Vicksburg, MS; Weirton, WV; Chester, SC; Mobile, AL; Prairie du Rocher, IL; Bridgeville, PA; as well as several distribution sites throughout the country. MLC is a privately held company that has a fully integrated system for mining limestone and manufacturing high-quality, food-grade calcium products and pulverized limestone. MLC also owns and operates a trucking and logistics subsidiary, MLC Trucking, to further support customer needs and ensure additional supply security.
TruStone Financial Credit Union is a member-owned financial cooperative based in Plymouth, Minnesota. Founded in 1939 by eight educators, it has grown to become Minnesota’s second-largest credit union, serving members across Minnesota and Wisconsin through 13 branches. The credit union emphasizes financial education, reflecting its origins as a teachers credit union, and operates under a "For Life" philosophy that prioritizes long-term relationships with members and community prosperity. TruStone offers a range of services, including digital banking for account management, loans for auto, mortgage, and personal needs, as well as credit cards and investment products. It also provides business solutions such as commercial lending and business account services. The TruStone Foundation promotes financial literacy through partnerships and scholarship programs, supporting youth education in the community. The credit union continues to grow through strategic mergers and technological investments, enhancing its member services and operational efficiency.