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Our Services

ISI is committed to delivering the highest level of expertise, accuracy, and integrity in the performance of inspection and testing services for the construction industry, supported by our 10,000-square-foot, full-service materials testing laboratory and a team of highly qualified, certified professionals dedicated to responsive, reliable project delivery.

Special Inspection

  • Soils and Asphalt

  • Reinforced Concrete

  • Precast Concrete Fabrication

  • Post-Tensioned Concrete

  • Spray-Applied and Intumescent Fireproofing

  • Shotcrete

  • Structural Masonry and Veneer

  • Structural Steel and Welding

  • Anchor and Dowel Installation

  • Professional/Specialty Services 

  • Engineering

  • Document Review

  • Quality Control Management

  • Reinforcement Survey

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Materials Testing

  • Concrete Laboratory

  • Masonry Laboratory

  • Soils Laboratory

  • Aggregate Laboratory

  • Metals Laboratory


Our 10,000-square-foot, full-service materials testing laboratory is accredited by AMRL/AASHTO, CCRL, and Caltrans.

Geotechnical Laboratory Testing

Our Geotechnical Laboratory is inspected by and maintains accreditations with AMRL/AASHTO as well as enrolled in the Reference Sample Program.

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