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Last updated: September 2026
TP

Twin Peaks Testing

Long Island City, NY

Twin Peaks Testing provides special inspections, construction materials testing, quality assurance, and non-destructive testing for commercial construction projects throughout New York and New Jersey. Founded in 1992, Twin Peaks, Inc. serves public agencies, utility companies, and private builders in the tri-state area.

ultrasonic testingradiographic testingmagnetic particle testingliquid penetrant testingultrasonic thickness gaugingcorrosion mappingconstruction materials testingspecial inspections
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Credentials & Experience

Years of Experience
34+
Certifications
  • NYC Department of Buildings Special Inspections Agency license
  • NYC Department of Buildings Concrete Testing Laboratory license
  • International Accreditation Service accreditation
  • Cement and Concrete Reference Laboratory accreditation
  • AASHTO Accreditation Program accreditation
  • American Welding Society certification
  • American Concrete Institute certification
  • National Institute for Certification in Engineering Technologies certification
  • International Code Council certification

Coverage Area

New York and New Jersey; tri-state area

Additional Details

NDT Methods Offered
Ultrasonic Testing (UT)Radiographic Testing (RT)Magnetic Particle (MT)Liquid Penetrant (PT)
Years in Business
34
24/7 Emergency Callout
Yes
Company Size (Employees)
51-200

Location

37-39 30th St., Long Island City, NY 11101

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