| Business | Phone |
| Hornsby & Co 3401 Louisiana St 425, Houston 77002 | (713) 353-0200 |
| Houston Commodity Warehouse 2300 Quitman St, Houston 77026 | (713) 228-3035 |
| Commodity Advisory Corp Of Tx 9301 Southwest Fwy 420, Houston 77074 | (713) 779-2228 |
| Agora Brokerage Partners 616 Fm 1960 Rd W, Houston 77090 | (281) 880-7746 |
| Basco Energy Corp 13608 Hollowgreen Dr, Houston 77082 | (281) 529-4516 |
| Benchmark Brokerage Llc 3700 Wakeforest St # 34, Houston 77098 | (713) 520-5984 |
| Better Network Distributing 5315 Fm 1960 Rd W # D, Houston 77069 | (832) 717-3417 |
| Cfos Inc 2425 West Loop S 601, Houston 77027 | (713) 439-1167 |
| Citigroup 1301 Fannin St 2300, Houston 77002 | (713) 752-5200 |
| Commodity Resources 15103 Kingsbridge Way, Houston 77083 | (281) 495-9000 |
| Comprehensive Commodity Svc 18333 Egret Bay Blvd, Houston 77058 | (281) 335-7509 |
| Fairweather Trading Inc Houston 77024 | (713) 467-0005 |
| Fimat Futures Usa 1001 West Loop S 850, Houston 77027 | (713) 629-1888 |
| Future Source 1100 Louisiana St 4775, Houston 77002 | (713) 951-0011 |
| Gulfstream Trading 2930 Revere St 200, Houston 77098 | (713) 527-0019 |
| Kenrock 9347 Richmond Ave, Houston 77063 | (713) 266-3141 |
| Landmark Power Exchange Inc 2 E Greenway Plz, Houston 77046 | (713) 627-2525 |
| National Trading Llc 3200 Southwest Fwy, Houston 77027 | (713) 627-0600 |
| New York Mercantile Exchange 1000 Louisiana St 1095, Houston 77002 | (713) 658-9292 |