Cooper-Horowitz, Inc. recently arranged financing for the following properties. * Oak Ridge Corporate Center, 151 Lafayette Dr. and Oak Ridge Tech Center 1, 2, 3, 4, 5 and 6, Commerce Park Dr. 7 office buildings. The loan was for $28 million. Richard Horowitz and Nick Barbato represented the firm. * 173-181 High St., Portland Me. A five-story, 650 space parking garage. The loan was for $7 million. Adam Horowitz and Mark Waldman represented the firm.