Certerra (Rancho Cucamonga)

Certerra is a materials engineering and earth sciences services company that provides technology-enabled testing, inspection, certification, and engineering solutions to support critical infrastructure projects from the ground up. Rebranded in 2025 from the RMA Companies, Certerra unites a network of more than 16 regional and specialty firms under a national platform, combining deep local expertise with broad capabilities and scale. With over 1,800 engineers, technicians, and scientists operating out of 50+ laboratory and field locations across North America, Certerra helps clients assure quality, manage risk, and advance innovation across the lifecycle of construction, manufacturing, and infrastructure projects. Its clients include infrastructure asset owners, contractors, design professionals, and manufacturers across sectors such as transportation, government, education, energy, water, healthcare, and industry. The company emphasizes responsive service, real-time data, and practical problem-solving to ensure communities and built environments are "built to last." 

Products & Services:

1. Construction Testing & Inspection
 - Field and laboratory materials testing (e.g., soils, concrete, asphalt).
 -  Construction quality assurance, building code compliance, and project verification.

2. Accredited Specialized Testing & Certification
 - Advanced laboratory testing and certification services for building materials, asphalt binders, polymers, cementitious products, chemical admixtures, and other specialty materials.
 -  Third-party certification and product validation to support product performance and market compliance.

3. Engineering & Consulting Services
 - Geotechnical engineering (soil/rock behavior analysis, foundation design support).
 -  Pavement engineering and design consulting.
 -  Environmental consulting, hazard assessment, and value engineering.
 -  Due diligence and technical investigations.

4. Geophysics & Subsurface Imaging
 -  Advanced geophysical mapping, subsurface utility detection, and imaging to assess underground structures and site conditions.
 -  Non-destructive techniques to support planning, excavation, and risk mitigation.

5. Instrumentation & Monitoring Services
 - Geotechnical, structural, and environmental monitoring during construction and throughout project lifecycles.
 - Real-time data acquisition for stakeholder decision-making and risk control.

6. Geotechnical & Environmental Field Services (via network companies formerly under RMA)
 -  Subsurface exploratory drilling and field sampling.
 -  Environmental site assessments and hydrogeology support.
 - Stormwater management and erosion control services.

7. Utility Location & Vacuum Excavation (through specialized affiliates)
 - Subsurface utility mapping and location of metallic/non-metallic infrastructure.
 - Vacuum excavation for safe exposure of buried utilities.

8. Coating Inspection & Protective Services (through specialized affiliates)
 - Inspection and consulting for industrial protective coatings, including water, wastewater, petrochemical, power, and defense sectors.

9. Non-Destructive Testing & Specialty Quality Services
 - Testing (e.g., GPR, concrete scanning, ultrasonic) that supports quality control without material damage.
 - Forensic engineering and expert investigations for performance evaluation.

10. Building Envelope & Product Evaluation Services (via network companies)
 - Testing and evaluation of building envelope systems (fenestration, roofing, wall assemblies) and compliance verification.