Ronald J. Darin

Primera Engineers Ltd. provides engineering services. Its services include mechanical, electrical, plumbing, structural, civil, telecommunications and power engineering, as well as protection and controls, commissioning, energy services, architecture, sustainability, life safety, lighting, transportation, power delivery, and project and construction management. The company was founded by Michael F. DeSantiago and Pedro Cevallos-Candau in 1987 and is headquartered in Chicago, IL.