S & M Janitorial Service has been serving the Shreveport area for over 25 years. Our commitment to excellence and customer service is second to none! Give us a call and see for yourself just how clean we can get your house for you.. New construction clean up. We come in after the house is built and make it sparkling clean for you to move in. We clean from top to bottom from side to side. Bathrooms,Floors,Kitchens,Basements.