| SKD | S. K. Diawuo Limited 
| Others |
| SKD | Saab Klub Danmark
| Others |
| SKD | Saint Katharine
| Others |
| SKD | Saint Katharine Drexel
| Others |
| SKD | Samarkand, Uzbekistan
| Others |
| SKD | Samata Kranti Dal
| Others |
| SKD | Samuel Kanyon Doe
| Others |
| SKD | Scavenger's Knights of Death
| Others |
| SKD | Semi Knock down
| Others |
| SKD | Semi Knocked Down
| Others |
| SKD | Semi-Knocked Down
| Others |
| SKD | Servigistics Knowledge and Diagnostics
| Others |
| SKD | Severe Knee Disorders
| Others |
| SKD | Sheri Kesten Design
| Others |
| SKD | Shotokan Karate-Do
| Others |
| SKD | Sigma Kappa Delta
| Others |
| SKD | Singer, Kearfott Division
| Others |
| SKD | Single Keyed
| Others |
| SKD | Ska Kid Dan
| Others |
| SKD | Skafandr Kislorod Dekompressia
| Others |
| SKD | Skoda Klub Danmark
| Others |
| SKD | Slovenian Chemical Society
| Others |
| SKD | So Kong Dong
| Others |
| SKD | Software Kits for Dummies
| Others |
| SKD | Spontaneous Knife Defense
| Others |
| SKD | Squier Knapp Dunn
| Others |
| SKD | Squiers Knapp Dunn
| Others |
| SKD | SSEYO Koan Design file
| Others |
| SKD | St Katharine Drexel
| Others |
| SKD | Staatliche Kunstsammlungen Dresden
| Others |
| SKD | Stahlkurbeldach
| Others |
| SKD | Standard Ketogenic Diet
| Others |
| SKD | Super Karma Dungeon
| Others |
| SKD | Swamp King Dred
| Others |
| SKD | Swinney, Kiehn, & Duncan, Certified Public Accountants
| Others |