Since 1949, Myles O’Donnell & Company has provided professional yet personal janitorial services and commercial cleaning to o ... ur industrial and commercial customers. A 3rd generation of a family owned business, our cleaning company has over 60 years of continuous service to the Portland Tri-county area. This shows the level of commitment we have to the janitorial and commercial cleaning industry and most importantly to our clients. Our cleaning experience, the knowledge we have acquired over the years plus the on-going training of our staff has prepared us to meet your every cleaning need. Myles O’Donnell & Company works with the latest technology through our suppliers to keep current and a leader in the commercial cleaning and janitorial services industry. read more