| Business | Phone |
| Bruce Tanner Sales Institute Tulsa 74105 | (918) 749-6776 |
| Greenwood Performance Systems 907 S Detroit Ave # 720, Tulsa 74120 | (918) 665-7252 |
| Performance Resource Group 6660 S Sheridan Rd, Tulsa 74133 | (918) 499-8870 |
| Signature Legendary Sales 9130 S Braden Pl, Tulsa 74137 | (918) 491-8177 |
| Sales Training Plus 1220 E 20th St, Tulsa 74120 | (918) 584-3222 |
| Selling Retail Intl Inc 3020 S Harvard Ave, Tulsa 74114 | (918) 742-8420 |