President
Vice President
Vice President, Chief Operations Officer
Chief Financial Officer
Director of Field Operations
Director of Safety
Vice President, Preconstruction
Director of Internal Operations
Vice President, Business Development
General Superintendent
Vice President, New York Operations
Director of Risk Management
Lead Civil Engineer
In-House Architect
QA/QC Manager
Human Resources Manager
MEP Field Director
Director, Business Development
Project Executive
Project Executive
Project Executive
Project Executive
Project Executive
Project Executive
Project Executive
Callahan is committed to building strong, long-lasting client relationships, and to consistently delivering solutions that exceed expectations. Contact us today about starting your next project.