
3 Rocks Engineering & Surveying
CaƱon City, COColorado Civil, Structural, & Land Surveying Experts
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26 results
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Colorado Civil, Structural, & Land Surveying Experts
Expert engineering consulting and investigation services for aircraft accident investigation and reconstruction.

Your Engineering Partner in Projects Large and Small

Engineering Solutions for the Built World
Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.
Multidisciplinary Expertise. Industry Insight.
The Face Of Certainty In A Complex World

Plan Build Manage

Accident Reconstruction | Biomechanics | Human Factors | Animation & Visualization

Professional engineering services with honesty and integrity.

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.

Frontier Structural Engineering is a Colorado-based structural engineering practice founded in 2020 by Jon Talley, SE, PE. It brings 20 years of structural engineering experience across California and Colorado to commercial, residential, and mixed-use projects from Colorado Springs to Denver and into the mountain communities. Frontier provides design services through construction administration, staying engaged through submittals, RFIs, and site visits through project closeout. Service offerings include commercial structural design, forensic structural engineering, expert witness, adaptive reuse, and temporary structure engineering.
Your challenge, our passion.
Leading experts in the field of electrical fires and failures
Civil Engineering, Structural Engineering, and Forensic Engineering in Colorado and Arizona
Questions answered. Problems solved.
Total Building Performance

Structural & Forensic Engineering

Custom Solutions for the Mining Industry

We Make a Difference

The Trusted Leader for all Engineering Support Services

Consulting, Design, & Forensics

Revealing the Cause. Mitigating the Risk.
Intelligent Infrastructure. Enduring Communities.