It is our mission to be the most trusted partner in science for our customers, suppliers, and associates. Thomas Scientific's values celebrate the best of our past and the energy and growth potential of our future. It's not only about what we do, it's also about how we do it!

For 120+ years, Thomas Scientific has provided the latest in equipment and supplies to the science community. In accordance to the tradition of the original founders, Thomas Scientific provides individualized customer service, innovative scientific equipment, and a comprehensive portfolio offering a wide selection of product listings at a great deal.

More than just a distributor, our experts serve as active consultants for complex scientific workflows. We offer an array of service solutions, including Thomas Inventory Management Solutions (custom VMI solutions), equipment financing, and more.

Thomas Scientific is committed to offering quality laboratory products while catering to the unique needs of the individual customer. For over a century, our dedication to provide the best in science equipment with personal, efficient service sets Thomas apart from the competition.

As of July 28th, 2021, Thomas Scientific successfully affirmed conformance to ISO 9001:2015 standards at all seven U.S facilities. The ISO Certification is focused on an organization’s Quality Management Systems (QMS), which is a collection of formalized processes, procedures, assets, and values that guide the organization towards consistently high customer satisfaction. Thomas Scientific’s Certificate of Registration validates its QMS under the scope of provider of cleanroom, ESD, Lab and Safety supplies, and Chemicals to the controlled environment community and ancillary industries. The ISO Certification will now provide current and future customers with an added level of transparency into their business dealings with Thomas Scientific.

Click the image below to view a copy of the certificate:

Thomas Scientific delivers high quality, efficient solutions to local, state, and federal government agencies. With Central Contracting Registration being in good standing, our small business status allows Thomas Scientific to help many agencies satisfy their small business goals.

Our dedicated Government team prides itself on serving various government departments and agencies, including the CDC, FDA, USDA, FBI, NASA, and countless others. View more information >>


At Thomas Scientific we recognize that our number one focus is to provide excellent service to Scientists’ and those that support Research and Quality control. We treat you the way we expect to be treated. Our long term, knowledgeable associates give you personalized service that remains part of the culture created by our founders at the dawn of the 20th century. We catalog quality products from the top Name Brand companies you have come to know and make it easy for you to buy them hassle free. We understand that our success depends on your satisfaction and our 121 year history is a testimony to our commitment.

Continuous improvement is also part of our culture and I welcome your suggestions on how we can do better. Please feel free to write to me at

Thank you for your business!

Charles Simmons
President, Thomas Scientific

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