For decades, Oromill Lumber Co. has been a trusted construction supplier and community lumber yard serving Whittier, CA and the surrounding area. As a family-owned lumber company, we have built our reputation on three things: service, experience, and community. Whether you are a professional contractor who needs specialty materials on a tight schedule or a homeowner tackling a weekend project, you will find the same knowledgeable faces and practical guidance every time you walk through our doors.