Pfefferkorn Engineering & Environmental LLC

At Pfefferkorn Engineering & Environmental LLC, we specialize in civil engineering, construction inspection, structural engineering, and environmental services. Founded by siblings Kate and Gabe Pfefferkorn, we serve clients across southeast Missouri and Kansas, delivering infrastructure projects such as bridges, highways, and site developments with a focus on quality and community impact. Our work includes partnering on major projects like the I-70 Rocheport Bridge and KDOT highway improvements, supporting safer and more resilient communities.