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Business Details
Since our founding in 1980, we have delivered trusted geotechnical engineering, environmental services, and construction materials testing for more than four decades. Today, we proudly operate under the UES banner, bringing expanded resources, national collaboration, and enhanced capabilities to our clients. Remaining true to our core, we continue to uphold the values that Jim Speedie and Henrietta Speedie infused from the beginning: integrity, accountability, and a commitment to doing the work right. Since our inception, we have supported thousands of clients across Arizona. This success enabled our once-small firm to grow from our Phoenix headquarters to offices in Flagstaff, Tucson, and Show Low. While our footprint has expanded, our Arizona roots remain strong. Our team continues to deliver responsive, local expertise, now strengthened by UES's nationwide engineering network and resources to better serve our clients.

Managed by long-tenured employees, our multidisciplinary staff includes professional engineers, geologists, environmental scientists, laboratory and field technicians, and support personnel across all locations. Our expertise, specialized equipment, and deep technical knowledge allow us to deliver practical, cost-effective solutions for projects of all sizes. These capabilities are further supported by long-standing relationships with local, county, and state regulatory agencies across Arizona, helping our clients navigate complex requirements and maintain project momentum. By combining the personalized attention of a local Arizona firm with the wide-reaching capabilities of a national engineering organization, we deliver superior customer service that achieves the results our clients seek.
Highlights and features
  • We have delivered trusted engineering services since 1980.
  • We maintain long-standing relationships with Arizona regulatory agencies.
  • Our multidisciplinary staff includes professional engineers and geologists.
  • We provide practical and cost-effective solutions for all projects.
  • We combine local Arizona expertise with nationwide UES resources.
Services
Geotechnical Investigations
We provide comprehensive geotechnical investigations and site development reports for clients across Arizona. Our professional engineers and geologists analyze soil composition to deliver practical solutions for projects of all sizes. This deep technical knowledge helps clients maintain momentum and navigate complex regulatory requirements effectively.
Construction Materials Testing
We offer rigorous construction materials testing and quality assurance services to support projects of all sizes. Our laboratory and field technicians utilize specialized equipment to verify material integrity and compliance. These capabilities ensure client projects meet strict regulatory standards while maintaining cost-effective and practical construction outcomes.
Environmental Site Assessments
We conduct thorough environmental site assessments, asbestos inspections, and management plans for property buyers. Our environmental scientists evaluate land history to identify potential risks before project commencement. This specialized service provides clients with the critical data needed to make informed decisions and maintain regulatory compliance.
Specialized Testing Services
We deliver specialized and advanced testing services utilizing our full in-house geotechnical and materials laboratory. Our multidisciplinary staff applies deep technical knowledge to address unique project challenges effectively. Clients benefit from our advanced capabilities and practical solutions tailored to meet specific site requirements across Arizona.
Forensic Engineering Consulting
We provide forensic engineering and consulting services to investigate structural and architectural issues. Our professional engineers leverage specialized equipment to deliver practical and cost-effective solutions for complex problems. This authoritative service helps clients resolve project challenges while maintaining necessary momentum and regulatory compliance.