Rothkopf
We provide components like; o-rings, gaskets, seals, and custom parts, to manufacturers producing consumer products. Located in Chesterfield, MO, this rubber supplier offers high-quality precision molded products and O-Rings to clients around the country and globe. Rothkopf has been a leading rubber supplier since 1956. Louis, MO, under the name R.F. Carlson Company. In 1984, after John Rothkopf p
02/24/2026
A poorly designed rubber component might seem minor in the early design phase…
But in the field? It can become the single point of catastrophic failure.
Seal engineering done right from day one isn’t a cost center —
it’s protection against downtime, warranty claims, safety risks, and damaged reputations.
When your product depends on sealing performance, the O-ring can’t be an afterthought. It has to be engineered with intention.
12/22/2025
🎄✨ On behalf of Lowly Oring and the entire ROTHKOPF team, we want to wish everyone a Merry Christmas & a very Happy New Year! ✨🎄
As a small, family-owned company, we are incredibly grateful for the relationships we’ve built and the opportunity to engage with and be of service to so many amazing people throughout the years. Every conversation, collaboration, and partnership means more to us than we can express.
Thank you for being part of our journey and for placing your trust in us. We look forward to continuing to grow together, create meaningful work, and serve our community in the year ahead.
Wishing you and your loved ones a joyful holiday season filled with warmth, peace, and happiness. 🎁🤍
— The ROTHKOPF Team
11/26/2025
Happy Thanksgiving 🦃 from everyone at Rothkopf!
We are grateful for the people, opportunities, and community that make each year better than the last.
Wishing everyone a warm, joyful holiday with those you love.
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Contact the business
Telephone
Website
Address
555 Spirit Of Saint Louis Boulevard
Chesterfield, MO
63005
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
| Saturday | 8am - 5pm |
| Sunday | 8am - 5pm |