Premier supplier for flame retardants & smoke suppressants

St. Louis Group

Flame Retardants



St. Louis Group

Flame Retardants

At St. Louis Group, we aim to be your top choice for flame retardants and smoke suppressants by developing innovative solutions and reliable supply for our customers.

Flame Retardants

Smoke Supressants

Highly experienced

Ready & Waiting To Assist

Ready & Waiting To Assist

  • Technical experts available to provide recommendations.

  • Products meeting stringent testing requirements.

  • Regulatory assistance.

  • Solutions for a wide variety of applications.

Locations around the world

Global Operations

Global Operations

SLG’s alliances with a global network of partners, in combination with our domestic manufacturing operations allow us to be one of the largest and most diverse suppliers of Flame Retardants.

Major Markets

Major Markets

St. Louis Group provides a large portfolio of high-quality solutions for multiple markets.

Rigid & Flexible PVC

Thermoplastics

Rigid & Flexible Polyurethanes

C.A.S.E.

St. Louis Group

Why Choose SLG

SLG is an established, experienced, and reliable supplier of Flame Retardants & Smoke Suppressants. We pride ourselves on having excellent customer service and reliable deliveries.

  • Our logistics supply chain is second to none.

  • We offer a wide variety of quality solutions and dependable expertise.

AN Expansion of SLG

Zeller Polymer Solutions

Zeller Polymer Solutions is a global supplier of antioxidant and UV light stabilizer solutions. An affiliate company to St. Louis Group, our team is equipped with over a decade of experience in the chemical additives industry, and we are excited to be able to expand our product line through Zeller.

  • Zeller offers unsurpassed customer service, high-quality products, and the drive to innovate the newest solutions and technologies.

  • Visit Zeller Polymer Solutions.

articles from the industry

Latest news

  • Knowde Logo
    203 words1 min read

    St. Louis Group and its affiliate, Zeller Polymer Solutions join the Knowde platform.

  • 202 words1 min read

    We are excited to announce that St. Louis Group (SLG) will be exhibiting in the upcoming 2023 Compounding World Expo. This event is scheduled to take place in Cleveland, OH on November 15th & 16th, and you can find us at booth A114.

  • 140 words0.7 min read

    We are excited to announce that St. Louis Group (SLG) will be participating in the upcoming 2023 Compounding and Advanced Materials Expo (CAMX). This event is scheduled to take place in Atlanta, GA from October 30th to November 2nd, and you can find us at booth K16.

Get in touch today

Contact St. Louis Group For Your Flame Retardants Needs

Contact St. Louis Group For Your Flame Retardants Needs

If you have a question or comment about our products please submit a message to us in the form below or you can call us at 317.975.3121 or email us at  info@thestlouisgroup.com

Client Testimonials

“Achieved New Things”

With SLG’s first class service and technical support, we’ve been able to launch new building products.

-Raul D., R&D Manager

“Exceeded Our Expectations”

Providing solutions in the ever-evolving landscape is critical not only to our employees, but shareholders and customers. Since we have worked with SLG, they have proved to us the interest in improving their technical offerings based on our needs & market direction.

-James H., Sr. Technical Director