Who We Are
The Oklahoma Standard in Fire Protection
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We are Oklahoma’s premier fire protection firm, combining professional engineering licensure with over a decade of fire service leadership. We don't just interpret code; we provide the authoritative oversight necessary for the state’s most complex municipal and commercial projects.
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We serve as the technical bridge between architects, engineers, contractors and municipalities. By speaking the language of every stakeholder, we eliminate the friction between design intent and regulatory approval, keeping your project on schedule and in total compliance.
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Our mission is to take fire protection engineering completely off your plate. From initial risk assessment to final code negotiations, we handle the technical complexities so you can focus on the broader vision of your build with absolute confidence.
About the Team
Aaron Easter
Aaron provides the critical field perspective for Cornerstone, drawing on a deep background in fire service and emergency operations. He specializes in the practical application of fire safety systems, ensuring that theoretical designs translate into high-performing, reliable protection for real-world environments.
Principal Consultant
With extensive experience in fire inspections and life safety oversight, Aaron acts as a vital link between contractors and municipal authorities. His hands-on expertise allows him to identify potential installation hurdles early, streamlining the construction process and providing clients with the assurance that their assets are truly secure.
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Firefighter 2
Fire Officer 1
Fire Instructor 1
Rescue Technician
HAZMAT Operations
Plans Examiner
IFSAC/ProBoard/ICC Fire Inspector 2
Fire Plans Examiner (ICC)
IAAI-FIT Fire Investigator
Bryant VanFossen, PE, CBO, CFM
Bryant serves as the technical lead for Cornerstone, bringing a sophisticated understanding of engineering precision to every project. He specializes in navigating the complex layers of building and fire codes, ensuring that high-stakes designs are both compliant and optimized for long-term safety.
Principal Engineer
With over a decade of experience in Oklahoma’s regulatory landscape, Bryant acts as a strategic advisor for architects and municipal officials. He excels at translating intricate requirements into actionable solutions, removing the burden of fire protection engineering so his clients can focus on their core vision.
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Professional Engineer (Fire Protection, Oklahoma)
Certified Building Official (ICC)
Commercial Building Inspector (ICC)
Building Plans Examiner (ICC)
Accessibility Plans Examiner/Inspector (ICC)
Residential Plans Examiner (ICC)
Residential Building Inspector (ICC)
Certified Fire Marshal (ICC)
Fire Plans Examiner (ICC)
Commercial Fire Sprinkler Plans Examiner (ICC)
Fire Alarm Plans Examiner 1 (ICC)
Residential Mechanical Inspector (ICC)
