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Tannas Co. & King Refrigeration, Inc. Precision Laboratory Instruments for Routine Testing and Advanced Research & Development of Engine Oils, Lubricants, and Related Fluids

Laboratory Instruments & Scientific Testing Equipment for Engine Oil, Lubricant, and Fluid Research

COVID-19 Virus Update

We are prepared and ready to serve you.

With the increasing concerns regarding the COVID-19 virus, we wanted to reassure you that the companies of the Savant Group are open and committed to serving your needs. We are taking multiple steps to proactively minimize health risks to our team members. This allows us to continue taking orders, shipping product, developing new products, and providing customer support for all of your needs. You rely on us every day and we will continue to respond with dependable products and services in a safe and efficient manner.

Thank you for being a valued client.


SAVANT GROUP Named Large Business of the Year by Midland Business Alliance


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The Savant Group, a consortium of internationally-recognized companies serving the lubrication, transportation, manufacturing, and energy sectors, was named the 2020 Large Business of the Year by the Midland Business Alliance. Read More.






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Welcome to Tannas Company & King Refrigeration   |  ISO 9001:2015 QMS


Reliability.  Precision.  Performance.  You deserve the best instruments for your research, and the most accurate data for your customers.  For over 35 years, our innovative instruments have met specific testing needs expressed by oil companies, OEMs and additive manufacturers for measuring properties critical to high quality lubricants.  

We commit to create and deliver the highest quality instruments available in the market for identifying, characterizing, and understanding the properties and behavior of modern fluids and lubricants.  Many of our patented bench instruments meet international specifications for lubricant testing. 

All instruments manufactured by Tannas Co. & King Refrigeration undergo rigorous laboratory testing and earn certification prior to shipment.  We offer on-site installation and customer training with each instrument through one of our Certified Instrument Engineers, or a global distributor. 

Our skilled engineers, dedicated manufacturing team, friendly customer service representatives, and international network of distributors will diligently meet your needs and offer you the best solutions for your testing and research.  We look forward to working with you.



Tannas Co. and King Refrigeration, Inc. are two sister companies within the Savant Group family of companies.  Previously, each maintained their own websites.  This new rejuvenated website combines both product lines together into one site for ease of viewing.  Please watch for new features and added content over the coming months, including photos of all spare parts and accessories related to the instrument lines and eventually, online ordering!