| Business | Phone |
| Bartercard Northeast Oklahoma 4815 S Harvard Ave # 200, Tulsa 74135 | (918) 743-8591 |
| Downtown Tulsa Unlimited 321 S Boston Ave # 101, Tulsa 74103 | (918) 583-2617 |
| International Trade Group 4815 S Harvard Ave # 200, Tulsa 74135 | (918) 743-8626 |
| Southwestern Power Resources 3840 S 103rd East Ave # 117, Tulsa 74146 | (918) 622-7800 |