StreamlineUSA. LLC Email Format

ConstructionNew York, United States11-50 Employees

StreamlineUSA, LLC is a New York City-based contractor offering general contracting and construction management services. It was founded by three partners—Eric Ortense, Liam Treanor, and Orin Zelenak—who have long worked together and combined their expertise. Collectively, they bring more than fifty years of construction experience across commercial, hospitality, and high-end residential projects.

Based in New York City, the firm operates as a small to mid-sized organization serving local clients across the urban market. The team focuses on coordinating contracting and project management for commercial, hospitality, and upscale residential developments, emphasizing practical problem-solving and agile execution.

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