Tank Cleaning Service Companies
| Sos Plumbing (Garden Grove, CA)
Primarily Serving: Westminster, CA - Fountain Valley, CA - Anaheim, CA - Santa Ana, CA |
| Sos Sewer & Drain Cleaning (Oxford, CT)
Primarily Serving: Waterbury, CT - Hamden, CT - New Haven, CT - West Haven, CT |
| South Bay Rooter (Chula Vista, CA)
Primarily Serving: National City, CA - La Mesa, CA - San Diego, CA - El Cajon, CA |
| South Hill Music Co (South Hill, VA)
Primarily Serving: Rocky Mount, NC - Durham, NC - Richmond, VA - Lynchburg, VA |
| Southern Comfort Portable (Bossier City, LA)
Primarily Serving: Shreveport, LA - Jefferson, TX - Longview, TX - Tyler, TX |
| Southern Comfort Toilet (Bossier City, LA)
Primarily Serving: Shreveport, LA - Jefferson, TX - Longview, TX - Tyler, TX |
| Southern Ohio Mobile Power (Jackson, OH)
Primarily Serving: Columbus, OH - Springfield, OH - Dayton, OH - Cincinnati, OH |
| Speedy Rooter (White City, OR)
Primarily Serving: Medford, OR - Eugene, OR - Springfield, OR - Bend, OR |
| Spiffy Biffs (Bismarck, ND)
Primarily Serving: Fargo, ND - Grand Forks, ND - Rapid City, SD |
| Springs Road (Conover, NC)
Primarily Serving: Gastonia, NC - Charlotte, NC - Concord, NC - Rock Hill, SC |
| Stalling Portable Toilets (Clayton, NC)
Primarily Serving: Raleigh, NC - Cary, NC - Durham, NC - Chapel Hill, NC |
| Star Sanitation Svc (Salinas, CA)
Primarily Serving: Watsonville, CA - Gilroy, CA - Santa Cruz, CA - San Jose, CA |
| Stenberg Brothers (Bark River, MI)
Primarily Serving: Green Bay, WI - Appleton, WI - Oshkosh, WI - Milwaukee, WI |
| Stenberg Sitters (Bark River, MI)
Primarily Serving: Green Bay, WI - Appleton, WI - Oshkosh, WI - Milwaukee, WI |
| Stenberg Sitters (Gwinn, MI)
Primarily Serving: Green Bay, WI - Appleton, WI - Oshkosh, WI - Eau Claire, WI |
| Steve's Sewer & Drain Svc Llc (Tariffville, CT)
Primarily Serving: Hartford, CT - West Hartford, CT - East Hartford, CT - Manchester, CT |
| Stop & Go Portable Toilet Svc (Wells, ME)
Primarily Serving: Portland, ME - Haverhill, MA - Manchester, NH - Lawrence, MA |
| Sugar Bear Plumbing (South San Franci, CA) |
| Sullivan Sewer Svc (Omaha, NE)
Primarily Serving: Bellevue, NE - Council Bluffs, IA - Lincoln, NE - Sioux City, IA |
| Sunrise Plumbing Repair-Drain (Salem, OH)
Primarily Serving: Youngstown, OH - Canton, OH - Akron, OH - Cuyahoga Falls, OH |
| Sunshine Sanitation Inc (Visalia, CA)
Primarily Serving: Tulare, CA - Hanford, CA - Fresno, CA - Clovis, CA |
| Super Bowl Portable Restrooms (Johnstown, CO)
Primarily Serving: Loveland, CO - Greeley, CO - Longmont, CO - Fort Collins, CO |
| Sweet's Portable Waste Svc (Shoshone, ID)
Primarily Serving: Pocatello, ID - Boise, ID - Meridian, ID - Idaho Falls, ID |
| T & E Plumbing (Glendale, CA)
Primarily Serving: Burbank, CA - Pasadena, CA - Los Angeles, CA - Alhambra, CA |
| T & M Port-O-Let Svc Inc (Labelle, FL)
Primarily Serving: Fort Myers, FL - North Fort Myers, FL - Cape Coral, FL - Port Charlotte, FL |
