SLS products have been used and tested in the most severe conditions and industries globally.  

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Even though Stewart Lubricants & Service is a global company, customer referrals and testimonials are the best​ ways for us to open new markets and reach new customers.  Most of our clients have been with us (or vice-versa) for decades, as we always try to establish and maintain long term relationships built on a foundation of honesty, trust and significant mutual benefit.