| Business | Phone |
| Ampak Oil Co 801 E Plano Pkwy 230, Plano 75074 | (972) 422-4144 |
| Aruba Petroleum 720 E Park Blvd, Plano 75074 | (972) 312-9366 |
| Bahlburg Exploration 2115 Teakwood Ln 300, Plano 75075 | (972) 867-2575 |
| Clovis Exploration 1412 Thames Dr, Plano 75075 | (972) 578-0125 |
| Dallas Operating Corp Plano 75075 | (972) 867-9787 |
| Del Rey Capital Inc 1700 Coit Rd, Plano 75075 | (972) 612-8340 |
| Denbury Resources Inc 5100 Tennyson Pkwy 3000, Plano 75024 | (972) 673-2000 |
| Emerald Operating Co Inc 1255 W 15th St 220, Plano 75075 | (972) 578-7722 |
| Enerquest Corp 7500 Preston Rd, Plano 75024 | (972) 826-9305 |
| Estacado Energy 2600 K Ave, Plano 75074 | (972) 633-8886 |
| Euro American Capital Corp 1100 Summit Ave, Plano 75074 | (972) 424-5324 |
| Geochemical Exploration 6512 Blue Ridge Trl, Plano 75023 | (972) 517-9232 |
| Hrm Resources Inc 2701 Dallas Pkwy 280, Plano 75093 | (972) 781-6595 |
| Krandee Group Inc 2121 W Spring Creek Pkwy 105, Plano 75023 | (214) 227-0161 |
| Old South Royalty Co 555 Republic Dr 200, Plano 75074 | (972) 516-4216 |
| Northstar Energy 740 Lexington Dr, Plano 75075 | (972) 769-8838 |
| Orbit Production Co 5913 Broadmeade Dr, Plano 75093 | (972) 735-9569 |
| Pbnb 4436 Bentley Dr, Plano 75093 | (972) 596-7674 |
| Peak Energy 1800 Preston Park Blvd 112, Plano 75093 | (972) 596-1443 |
| Wilrusco 1304 Gardengrove Ct, Plano 75075 | (972) 881-7435 |
| Zoe Oil & Energy Lp 1700 Alma Dr, Plano 75075 | (972) 509-2800 |
| Texas Oil Equities Inc 3421 Brushy Creek Dr, Plano 75025 | (972) 491-7031 |
| Tewxlark Exploration Co Inc 801 E Plano Pkwy 230, Plano 75074 | (972) 599-1873 |
| Shell Oil Co 1078 1301 Preston Rd, Plano 75093 | (972) 248-0585 |
| Spindletop Energy 4436 Bentley Dr, Plano 75093 | (972) 596-4030 |
| Richard W Thompson Inc 2916 Creekbend Dr, Plano 75075 | (972) 985-3672 |
| Sjs Resources Llc 1145 14th St, Plano 75074 | (469) 241-9830 |
| Empiric Energy Inc 4911 Smith Rd, Plano 75094 | (972) 633-1732 |