4 Peaks Structural Engineering Group, LLC
Scottsdale, AZDedicated to service, quality, and value delivered in a timely manner to meet your needs.
Service detail: Residential Home Evaluations
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Dedicated to service, quality, and value delivered in a timely manner to meet your needs.
Service detail: Residential Home Evaluations

Innovative structural and composite carbon fiber engineering solutions since 1958
Service detail: Structural Engineering
When You Need to Know Why
Service detail: Forensic Analysis and Failure Investigation

Protecting Enclosures. Together.
Project: 1111 Church Street

The Right Team Matters
Project: 100 MW Hydrogen Production Plant

We Know Buildings!
Service detail: Commercial Building Services

Reliability & Innovation Since 1982
Service detail: Engineering and Design
Building Performance: Commissioning & Sustainability Experts
Project: Princeton University High-Performance Central Utility Plant
Multidisciplinary Expertise. Industry Insight.
Project: Uncovering the Truth Behind a Toy Archery Injury

Felten Group is a full-service architectural and structural engineering consulting firm with offices in Arizona, Colorado, and Washington. Drawing on more than 1,200 years of combined staff experience, it delivers architecture, structural engineering, and forensic engineering services for residential and commercial clients. Felten Group has particular depth in residential design for production homebuilders, with expertise in wood-frame, post-tensioned slab-on-grade, and structural systems for single-family and multifamily projects.
Service detail: Architecture

Innovative and cost-effective structural engineering and testing services
Service detail: Structural Engineering

JTA Engineering, LLC is a structural engineering firm based in Phoenix, Arizona serving commercial, medical, transit, and financial sector clients across Arizona, Texas, and California. Its managing members emphasize listening to client needs before recommending structural solutions, and its team handles new building design, renovations, forensic investigations, BIM coordination, delegated design, and construction engineering across concrete, steel, and masonry construction types.
Project: Metrocenter Light Rail Station Canopy
Questions answered. Problems solved.
Project: ADA Ramp Design

Build on what we know.
Project: Sphere at the Venetian Resort

Forensic Engineering for the Electrical Grid
Service detail: Forensic Electrical Engineering

Innovation Is Our Second Name
Project: Oceanglass Residences & Marina

Structural Integrity - Collaborative Solutions
Service detail: Structural Engineering
Engineers Who Understand Your Business
Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Quality & Efficiency. Sound Engineering. Trusted Forensic Experts.
Service detail: Vehicle and Transportation Accident Analysis
Structural engineering for real-world buildings.
Project: O'Reilly Auto Parts Retail Program

Arizona's Trusted Engineering Design & Inspection Services
Service detail: Structural Engineering and Design

Inventive. Constructible. Cost Effective.
Project: AC Hotel by Marriott
Vann Engineering, Inc. is a geotechnical engineering, construction materials testing, and environmental consulting firm headquartered in Phoenix, Arizona. It provides geotechnical engineering, slope stability analysis, geophysical investigations, forensic engineering, environmental consulting, materials testing laboratory services, rockery wall engineering, and septic testing. Vann Engineering serves clients across the Phoenix metropolitan area and Southwest.
Service detail: Testing and Observation

Bringing Life to the Built Environment
Service detail: Parking Design