Roncelli, Inc.

Roncelli, Inc. is a family-led, employee-owned construction company headquartered in Southeast Michigan. Founded as a trenching firm, it now provides construction management, general contracting, self-perform, and engineering, procurement, and construction (EPC) services across automotive, industrial, healthcare, institutional, energy, and other markets. Its energy practice delivers utility-scale solar arrays, battery storage systems, and supporting infrastructure across the United States, Canada, and Mexico.