Tech24, the national multi-branch equipment service company, announced two recent acquisitions last week. The Greenville, S.C.-based company, backed by HCI Equity Partners, has acquired AmeriCold, East Framingham, N.Y. with branches in the Washington, D.C. and Southeast Florida areas on Aug. 19, and Arrowhead Commercial Equipment, based in Glendale, Ariz. on Aug. 10, according to an…