keywords: contractor construction corp company perini
text: Contractor buys Md. firm Perini Corp. , a Framingham construction company that built one of the largest sections of the Big Dig, has agreed to purchase Cherry Hill Construction Co., a private firm in Jessup, Md., that does public works projects. Most of Perini's revenue comes from construction of gaming and themed-entertainment projects. The company has extensive work in Iraq and Afghanistan, as well. ...