Welcome to brunnerinc.com | brunnerinc.com At Brunner we are not just a manufacturer; we are a mission-driven organization committed to being an industry leader in the production of heavy-duty commercial vehicle drum brake components. With t At Brunner we are not just a manufacturer; we are a mission-driven organization committed to being an industry leader in the production of heavy-duty commercial vehicle drum brake components. With two locations in the picturesque region of Niagara Falls, our company is deeply rooted in values that reflect our dedication to excellence and integrity.