Business Details
11 Years
experience
Your Trusted Partner for Civil Engineering Solutions
Founded in 2015, Pfefferkorn Engineering & Environmental (PE2) is a woman-owned civil engineering and environmental services firm rooted in a multi-generational legacy of infrastructure development. Our founders, Kate and Gabe Pfefferkorn, grew up immersed in construction and engineering through their familys lumber business and building company, fostering a deep passion for infrastructure. With expertise in transportation, structural design, environmental compliance, and community-focused development, we deliver high-quality, sustainable solutions for bridges, roadways, buildings, and industrial projects.Our team combines technical excellence with formalized training in ISO standards, hazardous material management, and sustainable infrastructure to ensure compliance, safety, and resilience. We prioritize client collaboration, offering tailored services from site planning to construction inspection while advancing our vision to impact 5,000 infrastructure projects and mentor future engineers. Our commitment to environmental stewardship and community betterment drives every project, reflecting our core values of service, innovation, and integrity.
Services
Structural Engineering
Environmental Compliance
Construction Inspection
Site Development
Stormwater Management
Bridge Design
Roadway Planning
Mine Reclamation
Hazardous Material Reporting
Traffic Impact Studies
Details
- Year established: 2015
Highlights and features
- We offer 30+ years of combined family legacy in infrastructure development.
- Our team holds specialized certifications in ISO auditing and environmental management.
- We provide end-to-end services from design to construction inspection.
- Our projects prioritize sustainable practices and community resilience.
- We actively mentor future engineers through STEM initiatives and hands-on education.
Associations and certifications
- DBE Certified
- WBE Certified
- ISO 9001
Services
Structural Engineering
We provide comprehensive structural engineering services including bridge design, culvert analysis, and building code compliance. Our expertise ensures safe, durable infrastructure through concrete and steel design, adhering to federal and state standards. Clients benefit from innovative solutions for transportation and commercial projects.
Environmental Compliance
Our environmental compliance services include stormwater pollution prevention plans, US Army Corps of Engineers permitting, and hazardous material reporting. We ensure projects meet regulatory standards through site assessments, sampling, and sustainable practices for industrial and construction clients.
Construction Inspection
We offer construction quality assurance through materials testing, compliance monitoring, and safety documentation. Our team verifies adherence to specifications for concrete, asphalt, and soil density, ensuring high-quality outcomes for bridges, roadways, and infrastructure projects.
Site Development
Our site development services include land subdivision, traffic impact studies, and stormwater runoff analysis. We coordinate projects from concept to completion, balancing regulatory requirements with client needs for residential, commercial, and industrial developments.
Mine Reclamation
We specialize in mine reclamation planning and environmental restoration, addressing soil and water contamination. Our services include site characterization, permit compliance, and sustainable land reuse strategies for mining operations and brownfield sites.
People
Kate Pfefferkorn-Mansker
Director of Site Planning and Water Resources
Kate is a licensed professional engineer with expertise in stormwater management, environmental compliance, and sustainable infrastructure. She leads site development projects and mentors future engineers through STEM initiatives.
Gabe Pfefferkorn
Co-Founder
Gabe co-founded PE2 with a focus on structural engineering and construction innovation. His career spans bridge design, roadway projects, and community infrastructure development rooted in family legacy.
Questions
What services does Pfefferkorn Engineering & Environmental offer?
We specialize in civil engineering, structural design, environmental compliance, construction inspection, and site development for transportation, industrial, and community projects.
Are you certified as a woman-owned business?
Yes, we are DBE/WBE certified, reflecting our commitment to diversity and inclusion in infrastructure development.
What geographic areas do you serve?
We primarily serve Kansas, Missouri, and the Midwest, with projects ranging from urban infrastructure to rural roadway improvements.
How do you ensure project sustainability?
We integrate ISO-certified practices, environmental assessments, and sustainable design principles to minimize ecological impact and promote long-term resilience.
Can you handle complex infrastructure projects?
Yes, our team has experience with bridges, highway systems, stormwater management, and environmental remediation for both public and private clients.
