Streamline USA's Story

What We Do



Streamline USA, LLC is a New York City-based General Contractor and Construction Management Company founded by two partners who have known each other for many years and finally decided to work together as a team. Eric Ortense and Liam Treanor, collectively possess over thirty years of diverse construction experience and this enables them to engage in commercial, hospitality, and high-end residential projects.


This team came together with a vision that each member would bring his own unique talents and problem-solving abilities to bear. By combining a passion for construction and the synergy of a partnership, Streamline has continued to grow stronger while remaining agile and dynamic. Streamline is your partner for commercial and residential projects.

Building a Townhouse

What goes into building in New York City...... check out our video and see


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Streamline USA, LLC

(646) 307-9001