Nibbi Brothers General Contractors is pleased to announce the promotion of Jeff Hartman to Vice President of Self-Perform Services, which includes Nibbi Concrete and Nibbi SPS. Hartman joined Nibbi in 2012 as Division Manager of Nibbi Concrete. Hartman has proven his leadership through the success of Nibbi Concrete and most recently formalizing Nibbi’s self-perform framing division, Nibbi SPS. Hartman’s promotion in addition to Gregory Narvick, COO, will cultivate growth between departments and the company’s ability to expand and offer additional and more diverse services to its clients.