LEAP Manufacturing Internship - Starting Summer 2027

Seneca Holdings Seneca Holdings is a diversified management and holding company whose companies are focused on the specialty door industry. We embrace the entrepreneurial spirit of the innovators that created our brands from traffic doors, cold storage doors and beyond. We are committed to exceeding our customers' expectations and providing doors that offer safety and protection to our customers' most important assets…people, products, capital investments and processes. Our vision is to be a worldwide specialty door leader that differentiates itself by being a single point of contact for all customer door needs including selling, installing and servicing all doors in our customers' place of business.