Ronald McDonald House Charities® (RMHC®) Columbia, SC creates, finds and supports programs that directly improve the health and well-being of children and their families.RMHC Columbia, SC provides guest families with all the comforts of home, so they are able to focus on what matters the most, the health of their child. Our cornerstone programs, the Ronald McDonald House and the Ronald McDonald Family Room ensure that families stay together when staying together matters most.