About BrenLin Company
The Manufacturer of Seal-R® Products
Trusted septic access components. Manufactured in the USA
Family-owned and Operated Since 1998
BrenLin Company, Inc. is a family-owned manufacturer in Herman, Minnesota. We build Seal-R® septic access components for distributors who need dependable inventory, contractors who need clean installs, and homeowners who want long-term performance.
Since 1998, we’ve grown by staying focused on what matters: building products people rely on, keeping specs clear, and supporting the septic industry with straightforward service and dependable supply.
A major milestone
In 2025, BrenLin expanded operations with a new manufacturing facility. It’s an exciting step forward—adding capacity, improving efficiency, and helping us stay ahead of demand while maintaining the same standards behind every Seal-R® product.
More capacity. Better availability. Same quality focus.
Designed and Manufactured In-House
Seal-R® products are shaped by practical, real-world needs: secure access, dependable sealing surfaces, and components built to withstand outdoor exposure and repeated service calls. By keeping design and manufacturing in-house, we maintain consistent quality and adapt quickly as distributor and contractor needs evolve.
What We Make
BrenLin manufactures Seal-R® septic access components designed to work as a system so contractors can standardize installs and distributors can stock a line that supports consistent, repeatable ordering.
Who We Serve
We support the septic industry across the channel and the field.
Distributors & wholesalers
For companies that stock septic access components
Installers, pumpers, & service contractors
For those who need reliable fit and durable performance in the field
Homeowners
For those looking for dependable access solutions specified by their contractor
Manufactured by BrenLin. Built for the Field.
BrenLin manufactures Seal-R® products to support distributors, contractors, and property owners who need septic access components that fit right and hold up. Reliable performance. Clear sizing. No unnecessary complications.