| Business | Phone |
| Darr & Collins 1425 Nw 150th St, Edmond 73013 | (405) 285-2400 |
| Department Of Transportation 4105 E Memorial Rd, Edmond 73013 | (405) 475-2860 |
| Emera Corp Po Box 2228, Edmond 73083 | (405) 557-0000 |
| Engineering Inc 920 S Boulevard St # 200, Edmond 73034 | (405) 341-2111 |
| Fbs Engineering 2316 Bradford Pl, Edmond 73003 | (405) 285-2440 |
| Orion Group 237 N Broadway, Edmond 73034 | (405) 359-3136 |
| Ray Engineering 826 Willment Pl, Edmond 73034 | (405) 348-5142 |
| W2m Consulting 18701 Otter Creek Dr, Edmond 73003 | (405) 285-0174 |
| Utley & Assoc 3500 S Boulevard St, Edmond 73013 | (405) 341-9555 |
| Vaught & Assoc 3509 French Park Dr # E, Edmond 73034 | (405) 844-7007 |