Own or Manage a Property? S&D can help! Your Commercial, Condominium, Residential, Townhome and Industrial maintenance and cleaning specialists. "One Call To S&D Does It All" S&D Prime Maintenance, Inc. is a full-line maintenance and janitorial company for any size property, delivering a wide variety of services, products and solutions since 1981. Whether your needs are large or small, we can help. S&D is equipped to handle any and all multifaceted projects. Over the decades we have established a reputation for customer service, quality workmanship and rapid responsiveness in meeting and exceeding our customers’ expectations. There is little we cannot do. Whether your needs are large or small, we can help. We are available to do everything from total cleaning, painting, carpet cleaning, carpentry or rebuilding to both the interior and exterior of properties.