Study and design of public works projects, water facilities projects, sewer facilities projects, inspection services, and associated projects. Civil, Structural and Ag Engineering.


Now offering architecture services!  Contact CES for your facility drawings and other architectural plans to take your project to the next level and implementation. Architecture.


Property surveys, mortgage title inspections, topographic mapping, GPS, FEMA floodplain elevations, and other surveying services. Surveying and Mapping.

CES Group, Inc. was formed in the Fall of 2009. Its proceeding companies, dating back to the 1960’s, include Grove & Company, Cohorst & Associates (1982-2001), and Cohorst Engineering & Surveying (2001-2009). Like our predecessors, CES Group will continue to provide innovative engineering & surveying services to our clients. Our service area includes Northeast Kansas and Southeast Nebraska with a focus on the counties of Washington, Marshall, & Nemaha in Kansas. Providing cost effective services with a personal touch is our goal and we expand on that goal by keeping up with new technologies and building relationships with our clients.

Rob Peschel, President