Wheaton, Ill. — RJN Group, Inc. (RJN) announced that its Board of Directors has unanimously chosen Jeff Plymale as the organization’s next President. Jeff, who currently serves as RJN’s Executive…

Wheaton, Ill. — RJN Group, Inc. announced a new contract with the Village of Buffalo Grove, Ill., for professional engineering and specialty field services to help the village meet short-term…