Thompson Street Capital Partners has sold DCL Medical Laboratories LLC to LabCorp, for an undisclosed amount. DCL provides diagnostic and clinical trial testing services, with a focus on women’s health. It has offices in St. Louis and Indianapolis.

Thompson Street Capital Partners and Charterhouse Group have acquired Colo4 LLC, a Dallas-based provider of carrier-neutral colocation data center services. No financial terms were disclosed.

Thompson Street Capital Partners has acquired Express Oil Change from Carousel Capital for an undisclosed amount. Express Oil is a Birmingham, Ala.-based operator of quick lube and automotive service centers. It was acquired by Carousel in 2005.

Iron Data, an Atlanta-based portfolio company of Thompson Street Capital Partners, has acquired CAVU Corp., a Raleigh, N.C.-based provider of regulatory software for government agencies in North America. No financial terms were disclosed.

Thompson Street Capital Partners, a buyout firm based in St. Louis, Missouri, has invested in Logan’s Linens , a Shelbyville, Ky.-based hospital linen and uniform rental business for an undisclosed price. Falls River Group advised the seller; Dresner Partners assisted the firm on the transaction. Press release: Falls River Group, LLC, a Naples, Fla.-based middle [...]