Nelson & Associates Service Group, LLC is a family owned business established in 1997. We provide professional service including but not limited to carpet cleaning and hardwood restoration in St. Louis City and County areas. Nelson & Associates has over 10 years experience in commercial and residential air duct cleaning. Servicing client's unique demand as well as affordable prices we aim to please. Our courteous and professional staff are also available to service your janitorial needs for your home or office including upholstery cleaning.