CSL Plasma will open in early 2020 at 801 N. McDonald St., McKinney. CSL Plasma is one of the world’s largest collectors of human plasma, officials said. People will be able to visit the McKinney location to donate plasma and could be eligible for compensation and promotions for their donation. Plasma donations are used to help create plasma-derived products that treat a number of diseases. 469-498-9843. www.cslplasma.com