Missouri Office: (Click here for Map)
4850 Lemay Ferry Rd. Suite 110
St. Louis, Missouri 6
Phone: 314-487-6913
Fax: 314-843-1718





Key Personnel



Mark A. Doering, P.E.; President

Mr. Doering has over 22 years’ experience as a civil engineer. He has been responsible for design calculations, planning and site design of public works, commercial and residential projects, specification writing, cost estimates, and document production for various civil engineering projects. As President of Doering Engineering, Inc. and Project Manager, he has been responsible for personnel supervision, project budgets, quality control, proposal preparation and client interface.
(Click here for Full Resume) or (PDF File)


Neal J Niewald, P.L.S.

Extensive and diversified knowledge of the surveying profession; over 32 years’ experience in civil engineering, land planning and land surveying as a Survey Manager, Crew Chief and Civil Engineering Technician. Extensive background in providing supervision and guidance relating to management, policy matters and critical issues. Experience in supervising, coordinating and reviewing field and office work with field supervisors, survey crews and technicians/draftsmen. Responsible for day-to-day operations of survey-related projects, including coordination with field supervisors and survey designers regarding quality control and schedule completion.

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