| 5th Street Connection | 100 W 5th St Sioux Falls, SD 57104-5915 | (605) 335-3664 |
| Aa | 325 S Garfield Ave Pierre, SD 57501-3729 | (605) 494-2003 |
| Aa | 342 N 19th St Hot Springs, SD 57747-1906 | (605) 745-3989 |
| Aberdeen Area Office, Ihs | 115 4th Ave Se Aberdeen, SD 57401-4310 | (605) 226-7581 |
| Ability Building Services | 210 Locust St Yankton, SD 57078-4203 | (605) 260-0257 |
| Accident & Rehabilitation Center | 3405 S Kiwanis Ave Sioux Falls, SD 57105 | (605) 361-6824 |
| Ackerman Ryan | 1616 S Sycamore Ave Sioux Falls, SD 57110-4204 | (605) 331-4273 |
| Action Electric | 5200 W 9th St Sioux Falls, SD 57107-0555 | (605) 334-8141 |
| Admin Office | 202 Island Dr Ste 1 Fort Pierre, SD 57532-7303 | (605) 223-2200 |
| Alandy Clinic | PO Box 37 Eureka, SD 57437-0037 | (605) 284-2342 |
| Alano Society | 325 Deadwood Ave N Rapid City, SD 57702 | (605) 342-9808 |
| Alaya Open MRI | 1504 4th St Ne Watertown, SD 57201 | (605) 753-1800 |
| Alternative Health Care Center | 1107 Mount Rushmore Rd Rapid City, SD 57701-8200 | (605) 343-7549 |
| Alternative Health Care Center Of The Black Hills | 343 Quincy St Rapid City, SD 57701 | (605) 341-4850 |
| Altstiel Terry | 1420 N 10th St Spearfish, SD 57783 | (605) 642-8414 |
| Ambulance Service | 201 W 1st Ave Mitchell, SD 57301 | (605) 995-8445 |
| Ambulance Service | 708 8th St Armour, SD 57313 | (605) 724-2159 |
| Ambulance Service | 82 Sherman St Deadwood, SD 57732 | (605) 578-2230 |
| American Cancer Society | 221 S Central Ave Pierre, SD 57501-2479 | (605) 224-1063 |
| American Cancer Society | 2465 W Chicago St Rapid City, SD 57702-2467 | (605) 399-2062 |
| American Cancer Society | 4904 S Technopolis Dr Sioux Falls, SD 57106-4230 | (605) 361-8277 |
| Americna Engineering Testing | 107 W Oak St Beresford, SD 57004-2133 | (605) 763-8016 |
| Anderson F James | 1210 W 18th St Sioux Falls, SD 57104 | (605) 328-3150 |
| Anel Roberto MD | 740 S Hill St Salem, SD 57058 | (605) 425-2855 |
| Arlington Chiropractic Clinic | 108 S Main St Arlington, SD 57212 | (605) 983-5131 |