Campus Tour

Midwest Laboratories, Inc. opened its doors for business on May 15, 1975 in Omaha, Nebraska. Since then, we’ve expanded into a 14-building campus devoted to performing a wide variety of analyses in a highly-regulated environment, providing the most thorough and customizable data in the industry.

To request a tour of facilities, please submit a Tour Request Form.

We accept samples Monday through Friday from 8 am to 4 pm with local drop off and a drop box at our main entrance for after hours.


The metals lab opened in 1975. Initially built to run tests on soil and plant extractions using Atomic Absorption (AA) to Inductively Coupled Plasma (ICP). The objective was to help our clients better identify and quantify the individual elements or isotopes that make the sample.

Today the metals lab runs analysis from boron to zirconium and heavy toxic metals such as mercury, arsenic, and lead. With over 90 years of experience working with an extensive list of critical technologies, ICPMS, X-Ray, and ICP, we are relied upon for our ability to advise on what's natural or out of range. Fifteen years ago we started testing heavy metals in food, officially the United States Pharmacopeia (USP) just started using this testing method in 2018.

Who we support:

  • Production managers - crop, fertilizer, feed, food
  • Environmental managers
  • Materials/Nutrition managers


  • Testing on most materials from water to rat brains
  • Over 90 years of lab experience
  • Over 10 million tests produced in 2017
  • 16 Inductively coupled plasma atomic emission spectroscopy (ICP)
  • Iodine testing


Need help or have a question?
(402) 334-7770


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