Geotechnical Engineering, Construction Materials Testing & Special Inspections

Phoenix Testing & Inspection LLC (PTI) is a woman-owned, Arizona-based firm providing geotechnical engineering, construction materials testing, and special inspections. Established in 2001, PTI serves residential, commercial, industrial, and infrastructure projects through an AASHTO-accredited laboratory and certified technical personnel. PTI combines engineering expertise, accurate testing, and responsive service to support construction quality and regulatory compliance.

Our mission

Phoenix Testing & Inspection delivers accurate, dependable geotechnical engineering, materials testing, and inspection services that promote construction safety, regulatory compliance, and informed project decisions through technical excellence and responsive communication.