Excellence Alliance Group

David Barnes has joined the Excellence Alliance Group (Cincinnati, OH) as president of its national accounts company, Mechanical Excellence, Inc. Barnes is a 28-year veteran of the hvacr industry with extensive experience in sales and marketing.

J.C. Higgins

J.C. Higgins Corp., a subsidiary of EMCOR Group, Inc. (Stoughton, MA), has been awarded a $7.6 million mechanical installation contract for the new AMGEN Biotechnology Center in Cambridge, MA.

Do All Temperature Nationwide

The Mechanical Contractors Association (MCA) of Chicago has welcomed another new member company — Do All Temperature Nationwide LLC of Elmhurst, IL.