Connect with Top-Rated Engineers in Olathe!

Pfefferkorn Engineering & Environmental is a woman-owned small business providing engineering and environmental services. We appreciate the opportunity to improve our communities and infrastructure. With expertise in civil engineering, construction inspection, structural engineering, and environmental services, we offer a range of projects, from residential and commercial construction to highway and infrastructure development. Our team is committed to delivering high-quality services that meet the needs of our clients and community.

Phelps Engineering, Inc. is a full-service civil engineering and land surveying firm providing professional services in Kansas and Missouri. Our comprehensive range of services includes planning, engineering, and implementation of projects in various sectors such as residential, mixed-use, commercial, industrial, parks and trails, municipal streets, stormwater, surveying, utilities, and sustainability.