Twin Peaks Inc. (TPI)

ConstructionUnited States51-200 Employees

Established in 1992, Twin Peaks, Inc. (TPI) has built a longstanding reputation as a trusted leader in construction services, quality assurance and control (QA/QC), special inspections, and materials testing. Strategically headquartered in New York City, our firm comprises over 120 skilled professionals committed to ensuring that every project adheres to the highest standards of safety, stability, and compliance with approved design documents, building codes, and regulations established by the New York City Department of Buildings (DOB).

Twin Peaks, Inc. is fully licensed by the NYC DOB as both a Special Inspection Agency (SIA) and a Concrete Testing Laboratory. The firm holds Class 1 status in all inspection disciplines performed. Our technical operations are accredited by prominent industry authorities, including the American Association for Laboratory Accreditation (A2LA) for Special Inspections, AASHTO Re:Source, the Cement and Concrete Reference Laboratory (CCRL), and the AASHTO Materials Reference Laboratory (AMRL).

For over three decades, Twin Peaks has provided reliable, high-quality inspection services to public agencies, utility companies, contractors, and private developers throughout the tri-state area. Our commitment to technical excellence, integrity, and client service is reinforced by the use of state-of-the-art equipment and a highly trained workforce.

Our scope of services spans all phases of construction and includes specialized expertise in Civil and Geotechnical Engineering, Structural Systems Inspection, 
Mechanical, Electrical, and Plumbing (MEP) Systems, Fire Protection Systems, Energy Code Compliance, and Building Envelope Evaluation just to name a few.

TPI has been proud to play a vital role in shaping the built environment delivering trusted expertise on both building and infrastructure projects across the Northeast Region

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