JCK Underground is an employee-owned firm providing specialized services to clients undertaking underground projects. No matter what phase or size of the task, we break down complex challenges to develop efficient solutions while maintaining a focus on achieving broader project goals. We provide our clients an essential balance of skills and resources that responds to their needs, blending fresh ideas with the tried-and-trusted. Our diverse pool of seasoned talent has an uncommon ability to identify and prioritize the physical and organizational risks inherent to working underground to effectively manage them. For both public and private clients, JCK Underground extends program management, engineering and construction management services to water and wastewater; light and heavy rail transit; roads and highways; and utilities.