SI Group’s cover photo
SI Group

SI Group

Chemical Manufacturing

The Woodlands, Texas 42,100 followers

Official SI Group LinkedIn Profile

About us

At SI Group, we create smart chemistry that solves global challenges and makes great things possible. SI Group is a performance additives and intermediates business. We offer a broad array of products that feed into diverse applications including pharmaceuticals; plastics; oil and gas; and tires, among many others. We create solutions that provide formulators and manufacturers with the ability to increase efficacy, efficiency, productivity, and purity in countless industrial and consumer goods. Our company unites us. So do our values and the approach that we bring into the workplace each day. There’s more to a job than just the work—and we believe it’s those “other things” that set us apart - learn more about us at www.siigroup.com.

Website
https://www.siigroup.com
Industry
Chemical Manufacturing
Company size
1,001-5,000 employees
Headquarters
The Woodlands, Texas
Type
Privately Held
Founded
1906
Specialties
Phenolic Resins, Alkylphenolic Resins, Alkylated Phenols, Chemical Intermediates, and Environment, Health, Safety and Security

Locations

  • Primary

    1790 Hughes Landing Blvd

    Suite 600

    The Woodlands, Texas 77380, US

    Get directions

Employees at SI Group

Updates

  • On November 11, Veterans Day and Remembrance Day, SI Group proudly honors the brave men and women who have served, and continue to serve, in the military around the world. Today, we reflect on the courage, dedication, and selflessness of those who have defended our freedoms. We also recognize the families whose unwavering support and sacrifices make that service possible. Your commitment and resilience remind us of what it truly means to serve a purpose for the greater good. To all veterans and their loved ones, THANK YOU for your service, your strength, and your inspiring example of striving to be better every day. #VeteransDay #RemembranceDay #ThankYou #SIGroup

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  • This October, SI Group employees around the world showed support for Breast Cancer Awareness Month by participating in the Susan G. Komen “More Than Pink” Virtual Walk. Breast cancer is the most common cancer globally, affecting over 2.3 million people each year. Motivated by a shared purpose, our teams came together to raise awareness, advance research, and support those impacted by this disease. Through every step and every contribution, SI Group employees demonstrated compassion, unity, and commitment to making a difference. We’re proud to have exceeded our $1,000 fundraising goal to help fund critical research, care, and advocacy efforts. But the fight doesn’t stop here. While Breast Cancer Awareness Month comes to a close, the need for support continues every day. Join us in advancing Susan G. Komen’s mission to end breast cancer by donating here: https://hubs.la/Q03QVyHb0 #BreastCancerAwareness #MoreThanPink #SIGroup

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  • View organization page for SI Group

    42,100 followers

    📢 SI Group has officially opened its European Innovation Centre (EIC) in Four Ashes, United Kingdom! The EIC opening marks our sixth global R&D facility and further enhances our expertise in plastics and rubber application development. A ribbon-cutting ceremony was held on October 23, celebrating an exciting milestone in advancing collaboration and customer-driven innovation across the region. Read the full announcement here: https://hubs.la/Q03Qpv_70 #SIGroup #Innovation

  • K 2025 may be over, but the excitement continues! We’re still inspired by the week of meaningful conversations, new connections, and exciting opportunities to discuss how SI Group is helping transform product performance and unlock new possibilities for our customers. Thank you to everyone who stopped by our booth and shared your insights and curiosity with us. Together, we are shaping a better future for the plastics and rubber industries. Missed us at the show? Click here to learn more about the solutions we shared: https://hubs.la/Q03Qcrjx0 #K2025 #Plastics #Rubber #Sustainability #Innovation #SIGroup

  • Happy #NationalChemistryWeek 2025! Do you ever wonder what gives spices their vibrant flavor, aroma, and color? It's Chemistry! This year, the American Chemical Society invites us to explore “The Hidden Life of Spices," highlighting the chemistry that transforms the ordinary into the extraordinary. Just as spices enhance what we taste and smell, our chemistry enhances the performance, durability, and sustainability across countless products and industries. Through the power of chemistry, our teams at SI Group are creating smarter solutions that help businesses drive innovation, advance technology, and improve everyday life for a better tomorrow. #ChemistryInAction #Innovation #SIGroup

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  • What an amazing two days at #K2025! The energy and engagement at our booth have been incredible. It's exciting for our team to connect with customers, partners, and industry peers from around the world, while showcasing SI Group’s latest additive innovations designed to enhance performance, durability, and sustainability across plastics and rubber applications. A big THANK YOU to everyone who stopped by to learn more about how we’re driving the future of performance additives. There’s still plenty of time to visit us at hall 6 booth B08! Come meet the team to talk about how SI Group can help your business create products that are stronger, more eco-friendly, and more efficient! #Plastics #Rubber #Innovation #SIGroup

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  • This week, we're celebrating Customer Service Appreciation Week! ✨ We’re proud to recognize our global Customer Experience Team for their commitment to delivering exceptional service and support to our customers around the world. From ensuring seamless order fulfillment to solving complex challenges, your dedication keeps our business running strong. Every day, you work across regions, time zones, and functions to meet customer needs with care, efficiency, and excellence. Your collaboration, resilience, and focus on continuous improvement set the standard for customer experience at SI Group. Thank you for embracing the grit and igniting impossible with every interaction. Your efforts make a lasting impact on our customers and our business. #CustomerServiceWeek #CustomerExperience #IgniteImpossible #SIGroup

  • 1 week until K 2025! Visit us in Hall 6/B08 to discover how SI Group's advanced additive technologies are shaping the future of plastics and rubber applications. From enhancing film performance to enabling recycled materials, our solutions are driving progress across the industry. Want to learn more? Don’t miss our daily Tech Talks at the SI Group booth! Space is limited, so secure your spot today: https://hubs.la/Q03LzZxX0 We look forward to connecting with you at K 2025! #K2025 #SIGroup

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