| Name | Unified registration number |
|---|---|
| SIA "RCG Lighthouse" | 40103672303 |
| SIA RCT Power | 40203366512 |
| SIA "RD House" | 40103791146 |
| SIA React | 40003687425 |
| SIA Realizācijas Centrs Latvija | 41503074695 |
| SIA "Red Dot" | 40003862546 |
| SIA "REDMOND BALTIC" | 40103604538 |
| SIA "REDMOND LV" | 40103642277 |
| SIA Regnum Light | 40203126931 |
| SIA "Regula Baltija" | 41503036161 |
| SIA "REKLĀMAS ATTĒLS" | 40003127154 |
| SIA "RELANS" | 41203057323 |
| SIA "RELOKO" | 41203031131 |
| SIA "REMB" | 40203284644 |
| SIA "REMEKS SERVISS" | 50003401041 |
| SIA "RENERGYTECH" | 50203403331 |
| SIA "RENTONS" | 40003543769 |
| SIA "RESS21" | 40203366743 |
| SIA RESS21A | 50203481571 |
| SIA RESS21C | 40203481599 |