| Nimi | Paikkakunta |
|---|---|
| Jappis Oy | Pori |
| Jartsan Pirssi Oy | Pori |
| JATEKE | Pori |
| Jauhopojat Oy | Pori |
| Javacore Oy | Pori |
| Javekom Oy | Pori |
| JE-Planning Ky | Pori |
| Jemico Oy | Pori |
| Jenmar | Pori |
| Jenna Peltonen | Pori |
| Jenna Tommiska | Pori |
| JEVICO RAKENNUS OY | Pori |
| JF-Laskenta Ky | Pori |
| JI-steel | Pori |
| Jippe Sport | Pori |
| JJ-Works Oy | Pori |
| JK-Sound | Pori |
| JL Kaivuu | Pori |
| JM-Maanrakennus | Pori |
| JMK-saneeraus | Pori |
| JO Concrete Ky | Pori |
| JO Construction Oy | Pori |
| Johanna Nolvi | Pori |
| Joki-Puu | Pori |
| JoLi. Sisustus | Pori |
Yritysesittely