Tetra Mechanical Services LLC is a full-service mechanical firm specializing in industrial piping and mechanical installations across the metropolitan New York area. We deliver high-quality work with precision, efficiency, and safety providing value driven solutions for complex commercial, institutional, and infrastructure projects. Tetra also maintains access to a qualified MWBE subcontractor to help clients meet diversity participation requirements on public and private projects throughout New York City.
Mechanical piping installation
Tetra Mechanical Services LLC provides installation and support for hydronic and HVAC piping systems, equipment setting and mechanical connections, and fire protection piping infrastructure. Our team also delivers preconstruction design coordination and drafting support to ensure accurate planning and seamless field execution. All work is performed by highly trained union labor to maintain consistent quality, safety, and reliability across every project.
Engineering & Preconstruction
Tetra Mechanical Services LLC provides BIM coordination and multi-trade clash detection, 3D mechanical system modeling, and detailed drafting using AutoCAD and SprinkCAD. Our process includes shop drawing development, controlled revision management, spool sheet production for fabrication sequencing, in-house pipe fabrication and assembly, hydraulic calculations and system sizing, and coordinated fabrication-to-field installation to ensure efficient and accurate project execution.
Quality Systems & Control
Tetra Mechanical Services LLC maintains strict project oversight through document control, revision management, and contract review to support risk mitigation and accountability. Our process includes fabrication QA/QC, material traceability, corrective action tracking, and organized closeout documentation to ensure quality, compliance, and project transparency from start to finish.
Services
Tetra Mechanical Services LLC delivers disciplined, union-executed mechanical construction backed by Steamfitters Local 638 expertise and a zero-compromise safety culture. We combine hands-on field leadership with rigorous regulatory compliance, detailed coordination, and consistent execution across New York City and Long Island projects. Our crews are credentialed, trained, and accountable — ensuring that piping systems, equipment installations, and fire protection infrastructure are installed safely, correctly, and on schedule. With Tetra, clients gain a partner that prioritizes workmanship, reliability, and long-term performance over shortcuts.
• 238220-Plumbing, Heating, and Air-Conditioning Contractors
• 541340-Drafting Services
• 541330 – Engineering Services
• NAICS classifications reflect both our mechanical installation and in-house drafting and design services • DUNS: 141202647
• Bonding Capacity: $5M Single / $10M Aggregate • Insurance: GL, WC, and Umbrella policies in force (certificates available upon request)