Kiefner and Associates, Inc.

Kiefner is a Leading Engineering and Technical Service Provider that Delivers High-Quality Asset Assurance and Consulting Services to its Valued Clients Worldwide.

Our Comprehensive Engineering and Technical Services are Designed to Propel Your Project to New Heights.

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Contact us today for POE, ECA, and other services.

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Kiefner will be attending these upcoming events and conferences

2026 API Pipeline Conference and Expo: Pipeline, Control Room and Cybernetics
Aurora, Colorado
April 27-29, 2026

2026 API Inspection and Mechanical Integrity Summit
San Antonio, Texas
July 20-23, 2026

International Pipeline Conference & Expo (IPCE)
Calgary, Canada
September 21-25, 2026

Leading the Conversation in Pipeline Integrity

For over 36 years, Kiefner has been at the forefront of engineering excellence and industry innovation. Our expertise does not stop at technical reports. We are committed to sharing our latest research, regulatory insights, and metallurgical breakthroughs with the broader energy community.

Follow our journey and join the discussion on LinkedIn, where our experts dive deeper into the challenges and solutions shaping the future of pipeline safety. 

SPOTLIGHT:

Our latest breakthrough involves the seamless fusion of AI-driven technologies within existing infrastructures, revolutionizing the industry’s approach to automation.

IN THE KNOW

Pipeline Report for the State of Colorado: Considerations for Pipeline Safety and Siting

Kiefner and Associates, Inc. conducted a pipeline study for Colorado, addressing safety, regulatory gaps, and oversight improvements through input from the ECMC, PUC, and over 40 stakeholder meetings. Key recommendations included creating a Pipeline Information Office, enhancing damage prevention and corrosion control, and updating regulations for emerging energy resources. […]

Elevate Your Project with Expert Engineering and Technical Solutions!

ENGINEERING THE FUTURE OF POWER & UTILITIES
Our advanced engineering and procurement solutions are modernizing power systems to meet the increase in demand.

The Intersection of Sustainability and Technological Advancements in Engineering

In today’s rapidly evolving landscape, engineering is not just about solving challenges—it’s about doing so sustainably. The convergence of technology and sustainability has become a pivotal focus in engineering. From renewable energy systems to eco-friendly design methodologies, the industry is witnessing a transformative shift towards solutions that address problems and minimize environmental impact.

DISCOVER KIEFNER

We are a leading provider of integrated engineering, construction, fabrication, and technical services. Working across diverse market sectors, we deliver sustainable solutions to build a better world.

Careers at Kiefner Engineering:

At Kiefner Engineering, we’re dedicated to excellence in the engineering and technical services we provide. Our commitment to innovation, technical expertise, and client satisfaction forms the cornerstone of our success.

Discover how we deliver value to our clients.

With our integrated services, we deliver projects large and small throughout the entire project lifecycle.

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Even Faster Effective Area Method: Further Optimization of the Effective Area Method for Plausible Profile Corrosion Assessments

Even Faster RSTRENG: Further Optimization of the Effective Area Method for Plausible Profile Corrosion Assessments Tristan MacLeod Kiefner and Associates, Inc., Ames, USA Introduced in 1990, the...

A Comparative Methodology for the POE Assessment of Corrosion vs Cracking

A Comparative Methodology A Comparative Methodology for the POE Assessment of Corrosion vs Cracking Lucinda SmartKiefner and Associates, Inc., Ames, USA The probability of exceedance (POE) method...

Engineering Assessment of Dents Without Dent Profiles: Prioritizing Resources and Leveraging Existing Data

Engineering Assessment of Dents without Dent Profiles: Prioritizing Resources and Leveraging Existing Data Zahra Lotfian, PhD, PE Senior Engineer, Kiefner and Associates, Inc. Houston, Texas...

2025 Spot Bonus Incentive

Exciting Opportunity: 2025 Spot Bonus Program! Exciting News from Kiefner and Associates, Inc.! We’re launching a new Spot Bonus Program to reward industry experts—whether you are retired and looking...

What Can You Do with an Abundance of ILI Validation Data?

What Can You Do with an Abundance of ILI Validation Data? Lucinda Smart, Benjamin Wright Kiefner and Associates, Inc., Ames, USA The concept of in-line inspection (ILI) tool validation could be...

Remaining Life Assessment of Hydrogen Pipelines for Flaw Sizes Below ILI and NDE Detection Limits

Remaining Life Assessment of Hydrogen Pipelines for Flaw Sizes Below ILI and NDE Detection Limits Zahra Lotifan, Michiel Brongers  Kiefner and Associates, Inc., Houston, USA. Kiefner and Associates...

Advancements and Risk Management in Pipeline Integrity, Assessment, and Safety

Advancements and Risk Management in Pipeline Integrity, Assessment, and Safety Engineering Critical Assessment of Vintage Girth Welds Presentation Engineering Critical Assessment of Vintage Girth...

PipeProps™

PipeProps™ Confidently verify pipeline material grade for 49 CFR 192 Compliance The Challenge: For pipelines without traceable, verifiable, and complete (TVC) records, 49 CFR § 192.607 requires...

Considerations for Pipeline Safety and Siting

Pipeline Report for the State of Colorado: Considerations for Pipeline Safety and Siting Kiefner and Associates, Inc. worked on a pipeline study with input from Colorado Energy and Carbon Management...
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