Safco Mayline Office Furniture Riverton, UT Safco Mayline Office Furniture Grain Valley, MO About Us. Safco is excited to provide you with a variety of workspace solutions that will help make your workday easier, more comfortable and hopefully a little more fun. For more than 50 years, we have been a mid-market manufacturer of workplace solutions and ancillary products.Safco Mayline Office Furniture Piedmont, OK Safco Mayline Office Furniture Amite City LA Safco Mayline Office Furniture Kingsland, GA Safco mayline office furniture pryor Creek, OK Safco is proud to offer premier products that have been designed to meet specific needs in all areas of the workplace. safco product Company, a division of liberty diversified industries, was founded over 35 years ago with a small offering of corrugated products designed for office use.