Arizona's Testing Experts
Phoenix Testing & Inspection (PTI) provides materials testing, special inspections, geotechnical engineering, and environmental services for construction projects across Arizona.
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We work with developers, contractors, engineers, municipalities, utilities, and project teams from early site investigation through field testing, inspection, laboratory analysis, and closeout.
Certified WBE
A certified Woman-Owned Business Enterprise serving public and private sector clients.
Serving Arizona
Since 2001
More than two decades supporting construction and development projects across the state.
AASHTO Accredited
Laboratory testing performed under recognized accreditation standards and documented testing procedures.
From Residential
to Industrial
Reliable data and inspections that keep projects compliant and on schedule.

Our Services
Providing testing, inspection, geotechnical, and
environmental services that support quality, compliance, and project performance.
Materials Testing & Laboratory Services
Accurate laboratory and field testing for soil, concrete, and asphalt to ensure quality, compliance, and long-term performance.
Construction and Special Inspections
On-site inspection services to verify workmanship, safety, and compliance with project specifications and building requirements.
Geotechnical Engineering
Subsurface investigations and engineering analysis to support stable, cost-effective foundation and site development decisions.
Environmental Assessments
Environmental site assessments and evaluations to identify risks and support compliant development.
Who We Serve
PTI works with a broad range of clients across Arizona, delivering reliable testing, inspection, geotechnical, and environmental support.

Government
& Public Sector

Real Estate
& Development

Utilities
& Infrastructure

Industry & Commercial Enterprises

CONSTRUCTION & DESIGNÂ Professionals




