ErgoTrading.Net is excited again by the innovative design at Office Master. Twenty years of excellent service from a USA factory puts meaning behind the Office Master limited factory warranties of 7 and 12 years, depending on model. ErgoTrading.Net has been helping our customers to get Office Master factory support, warranty, and parts service since 1996 when we premiered online. Follow the links to view photos and details for some grand new styles of seating. You will find plenty of opportunity to customize your chair options in our shopping cart, so feel free to explore the wide range of popular choices available, from wheels, to arms, to fabrics.