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Process Engineering
Packaging Engineering
Material Handling Engineering
Structural Engineering
Civil Engineering
Land Surveying
Mechanical, HVAC & Piping
Electrical / Controls Engineering
Project Administration
Forensic Engineering
Renderings & Graphics
These projects require varying levels of integrated engineering services, are an example of the diverse range of projects that Siebert has completed, and show the extent of Siebert’s engineering capabilities.

Refer to other web pages for project descriptions for these industry groupings:
  • Land Development and Surveying
  • Food, Confectionary, Snack Foods, Dairy, and Bakery
  • Personal Products, Chemicals, and Paint
  • Bagging, Packaging and Material Handling
  • Bulk Materials, Minerals Processing, and Warehousing
  • Forensics and Investigations
Housing Development Centex
Inland Real Estate
Food ConAgra (Prepared Foods)
Kraft
Snack Foods Keebler (Potato Chips)
Cracker Jack
Personal Products Helene Curtis (Shampoo)
Lever Brothers (Toothpaste)
Paint Glidden Durkee
Valspar
Bulk Materials Interlake Steel (Coal)
Morton (Salt)
Minerals Processing Martin Mariette (Sand)
Cargil (Salt)
Solid Waste Handling Time Inc. (Paper)
Caterpillar (Pallets)
Retail & Commercial Rock Bottom Brewery
Texas Roadhouse
Confectionary Nestle
M & M Mars
Bakery Nabisco (Cookies)
Sara Lee (Pies)
Chemicals Toyal America (Aluminum Powder)
MacTac (Adhesives)
Bagging & Packaging Brock Candy (Hard Candy)
American Licorice
Material Handling A.O. Smith (Water Heaters)
General Mills 
Warehousing Globe Glass (Auto)
Ford Motor Co. (Parts)
Engineering Investigations Lever Brothers (Roof & Wall)
Life Savers

Welcome to Siebert Engineers, Inc.
Siebert Engineers, Inc. is a licensed engineering design firm with offices in Lisle, Illinois and Kansas City, Missouri. Siebert provides a wide range of professional consultation and engineering services, including Process Engineering, Mechanical and Electrical Engineering, Civil and Structural Engineering, and Forensic Engineering.

Siebert was incorporated in 1963, and has evolved from being a specialized expert in Material Handling into a multi-disciplined engineering and consulting firm providing services from initial concept, feasibility studies, and budget development through detailed design, project management, construction administration, and inspection start-up.

Siebert holds the following accreditations:
  • Licensed Engineering Design Firm
  • Licensed Structural Engineering Firm
  • Licensed Land Surveying Firm
Many of our clients are Fortune 500 companies in the Land Development, Food, Confectionary, Chemicals, Personal Products, Plastics, and other industries. Civil and Structural engineering clients have included architectural firms, private and public land developers, construction companies, pipeline companies, municipalities, and private individuals.

SEI has expertise in the following disciplines:
  • Process Engineering
  • Packaging Engineering
  • Material Handling Engineering
  • Structural Engineering
  • Civil Engineering
  • Land Surveying
  • Mechanical / HVAC / Piping Engineering
  • Electrical / Controls Engineering
  • Project Administration
  • Forensic Engineering

Company Services Overview
Siebert Engineers, Inc. employs engineers in all discplines. Civil, Chemical, Electrical, Mechanical, Architectural, and Structural disciplines work as a team to design new facilities or modifications/additions to existing facilities; perform specific scope work as an individual discipline and provide forensic investigating. Siebert has worked on many projects for a wide variety of clients in diverse industries. Examples of project types and clients for whom Siebert has worked are shown below. (Siebert can provide a complete client list to prospective new clients upon request.)