Rock-It Cargo, a portfolio company of Calera Capital and Spring Capital Partners, has acquired Core Logistics and B.E. Logistics. The two logistics companies will form the Corporate Expedited Group, which will handle domestic and international emergency and expedited time definite freight. The group's services will be marketed under the Core Logistics name. Rock-It Cargo provides specialty freight forwarding and logistics services and was initially focused on serving the music touring and live events industries.