TULSA, OK — Manhattan Pipeline LLC announces that Nicholas J. Marquardt has joined the company as Executive Vice President of Operations, bringing more than two decades of leadership experience in pipeline engineering, integrity, and large‑scale capital construction programs. Marquardt will play a key role in guiding Manhattan Pipeline’s expanding pipeline construction business across the Midwest, Mid-Atlantic, and Southeast.

Marquardt joins Manhattan Pipeline following a career with Northern Natural Gas, where he most recently served as Vice President of Engineering, leading a 200-person engineering and construction deliverables team managing hundreds of millions in annual capital investments for pipeline, station, expansion, and integrity projects. His background spans pipeline emergency response, expansion planning, storage facilities, and field execution.

“Nick is a proven leader in pipeline engineering and construction, risk management, and regulation compliance,” said Duwayn Anderson, President of Manhattan Pipeline. “As our pipeline construction services continue to grow, his depth of experience and strategic perspective will help guide our teams and our clients through increasingly complex pipeline projects while delivering safe, reliable, and predictable outcomes.”

Throughout his career, Marquardt has been recognized for building high‑performing multidisciplinary teams, improving project delivery methodologies, and aligning engineering and construction strategies to support long‑term system reliability.