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StreamlineUSA. LLC Employee Directory

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.

Find StreamlineUSA. LLC employees' phone numbers or email addresses

StreamlineUSA. LLC Global Highlights

Location
Employees

North America
25

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  • United States Of America
    25

StreamlineUSA. LLC's Leadership

  • Stylized image of a person
    M. C.
    Financial Controller

StreamlineUSA. LLC Employee Metrics

100%
50%
0%
2026
2025
  • Program & Project Management
  • Civil Engineering & Construction
  • Human Resources
  • Accounting
  • Administrative
  • Other

Contact profiles from StreamlineUSA. LLC

Name
Title
Contact
Location
Last Update
  • Stylized image of a person
    M. C.
    Financial Controller
    Jun 01, 2026

Frequently Asked Questions

What is StreamlineUSA. LLC known for?

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StreamlineUSA. LLC operates in the Construction industry. Explore StreamlineUSA. LLC's company overview page for more information.

What is StreamlineUSA. LLC's most common email format?

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StreamlineUSA. LLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more StreamlineUSA. LLC email formats with LeadIQ.

How many employees does StreamlineUSA. LLC have currently?

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StreamlineUSA. LLC has approximately 17 employees as of August 2026. These team members are located across 1 continents, including North America.

Who are StreamlineUSA. LLC's key employees and leadership?

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As of August 2026, StreamlineUSA. LLC's key employees include:

  • Financial Controller: M. C.

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