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Professional Engineering Consultants (PEC) was founded more than a half century ago as a full-service consulting firm providing mechanical, electrical, structural, civil, transportation, water and wastewater, land development, planning services; a broad range of field work including survey, geotechnical, construction inspection, testing, air and water balance capabilities; as well as the all the essential professions it takes to make it all come together for our public, private, and industrial clients. Headquartered in Wichita, Kansas, with additional locations in Kansas, Missouri, Oklahoma,... more ->