| Business | Phone |
| Americo Energy 2414 W Mount Houston Rd, Houston 77038 | (281) 448-0261 |
| Digital Conversions Po Box 1080, Houston 77251 | (281) 752-9076 |
| Oil Holdings Intl Ltd 2525 Old Farm Rd, Houston 77063 | (713) 783-2000 |
| Sarbali Oil 8313 Southwest Fwy 215, Houston 77074 | (713) 995-5400 |
| Vtex Energy Inc 8303 Southwest Fwy 950, Houston 77074 | (713) 773-3284 |
| Ajayi Oil Inc 7222 Bellaire Blvd 1701, Houston 77074 | (713) 532-3228 |
| Accell Natural Gas Co 800 Wilcrest Dr, Houston 77042 | (713) 278-0005 |
| Chevron Texaco 3901 Briarpark Dr, Houston 77042 | (713) 954-6000 |
| Lico International 10777 Westheimer Rd 840, Houston 77042 | (713) 784-8598 |
| Moex Texas Llc 10375 Richmond Ave, Houston 77042 | (713) 532-8887 |
| Resource Ventures Energy Corp 9801 Westheimer Rd, Houston 77042 | (713) 339-3933 |
| Resource Reserves Co Po Box 690887, Houston 77269 | (713) 759-1145 |
| Adair International Oil & Gas 3000 Richmond Ave, Houston 77098 | (713) 533-9490 |
| Gulf Mark Energy Inc 4400 Post Oak Pkwy 2700, Houston 77027 | (713) 881-3600 |
| Americo Energy Resources 7575 San Felipe St 100, Houston 77063 | (713) 984-9700 |
| Amoco Production Co 1309 Washington Ave, Houston 77002 | (713) 943-3236 |
| Ampac Oil & Gas Inc 601 Jefferson St, Houston 77002 | (713) 651-8657 |
| R S Anderson 6155 Valley Forge Dr, Houston 77057 | (713) 780-8773 |
| W Douglas Ankenman Jr 1 E Greenway Plz 700, Houston 77046 | (713) 627-8946 |
| Ashford Eec 1177 West Loop S # 675, Houston 77027 | (713) 850-8784 |
| Axis Energy Corp 14760 Memorial Dr 204, Houston 77079 | (281) 531-9903 |
| B Osbornw Oil & Gas Operations 11635 N Houston Rosslyn Rd, Houston 77086 | (281) 447-5546 |
| Ballard Natural Gas Llc 1021 Main St, Houston 77002 | (713) 658-0143 |
| Baron Oil 1001 S Dairy Ashford St, Houston 77077 | (281) 668-9135 |
| Bay Oil Usa 8410 Larson St, Houston 77061 | (713) 643-4803 |
| Bay Oil Usa 909 Texas St 202, Houston 77002 | (713) 222-7100 |
| Bay State Exploration Inc 340 N Sam Houston Pkwy E 267, Houston 77060 | (281) 405-9906 |
| Bbi Oil Ltd 601 Jefferson St, Houston 77002 | (713) 759-1695 |
| Bison Energy Partners 12941 North Fwy 206, Houston 77060 | (281) 873-9100 |
| Blm Pipeline Inc 3701 Kirby Dr, Houston 77098 | (713) 526-7763 |
| Blue Star Resources Inc 15603 Kuykendahl Rd 221, Houston 77090 | (281) 893-6035 |
| Bp America 501 Westlake Park Blvd, Houston 77079 | (281) 366-2000 |
| Braha Oil Corp 4801 Woodway Dr 300e, Houston 77056 | (713) 961-5527 |
| British Consulate Gen Oil 11490 Westheimer Rd, Houston 77077 | (713) 425-6300 |
| Bta Oil Producers 16945 Northchase Dr 1600, Houston 77060 | (281) 872-5022 |
| Burlington Resources Inc 717 Texas St # 2100, Houston 77002 | (713) 224-5256 |
| Conoco Phillips 717 Texas St 2100, Houston 77002 | (713) 624-9000 |
| Calpine Natural Gas Co 717 Texas St V 1000, Houston 77002 | (713) 830-2000 |
| Capco Energy Inc 5555 San Felipe St 725, Houston 77056 | (713) 622-5550 |
| Carrizo Oil & Gas Inc 1000 Louisiana St 1500, Houston 77002 | (281) 496-1352 |
| Cheniere Energy Inc 717 Texas St # 3100, Houston 77002 | (713) 224-0847 |
| Chief Operating Co 10603 Grant Rd, Houston 77070 | (832) 237-6053 |
| Choctaw Oil & Gas 700 Milam St, Houston 77002 | (713) 546-8090 |
| Cimarex Energy Co 333 Clay St, Houston 77002 | (713) 651-0001 |
| Citation Oil & Gas Corp 8223 Willow Place Dr S, Houston 77070 | (281) 469-9664 |
| Creel & Assoc Inc 810 Highway 6 S, Houston 77079 | (281) 752-4400 |
| Ctl Oil & Gas 4010 Blue Bonnet Blvd 101, Houston 77025 | (713) 667-9998 |
| Cutler Interest 3911 W Main St, Houston 77027 | (713) 622-2639 |
| Deep Oil Technology 11757 Old Katy Rd, Houston 77077 | (281) 870-1111 |
| Del Norte Petroleum 2350 Westcreek Ln, Houston 77027 | (713) 599-1330 |
| Tennessee Gas Pipeline Co 1001 Louisiana St, Houston 77002 | (713) 420-2600 |
| Elmax Oil & Gas Corp 909 Fannin St, Houston 77010 | (713) 650-6869 |
| Entech Resources Inc 616 W Fm, Houston 77090 | (281) 587-2183 |
| Ergon Oil Inc 3730 Kirby Dr, Houston 77098 | (713) 831-6865 |
| F J Whitley Co 50 Briar Hollow Ln 580e, Houston 77027 | (713) 623-2216 |
| Fair Oaks Productions Co 1233 West Loop S, Houston 77027 | (713) 623-8245 |
| Fairways Speciality Sales 1980 Post Oak Blvd, Houston 77056 | (713) 622-3492 |
| Francis Kaiser Gulf Coast Llc 616 Fm 1960 Rd W # 525, Houston 77090 | (281) 681-1919 |
| Harding S Frankel 2700 Post Oak Blvd 1340, Houston 77056 | (713) 623-4646 |
| Sam G Harrison 2001 Kirby Dr, Houston 77019 | (713) 526-8888 |
| Frontier Oil Corp 10000 Memorial Dr 600, Houston 77024 | (713) 688-9600 |
| Frontier Oil Corp 8901 Telephone Rd, Houston 77061 | (713) 649-5516 |
| Miller Oil & Gas 10525 Fm 1960 Rd W, Houston 77070 | (281) 807-6673 |
| Gaither Petroleum Corp 18000 Groeschke Rd A1, Houston 77084 | (281) 994-5400 |
| Gregory J Gallagher 8550 Katy Fwy 208, Houston 77024 | (713) 827-7051 |
| Gasper Rice Resources Ltd 1718 Fry Rd 435, Houston 77084 | (281) 828-1112 |
| Michael L Klein Houston 77057 | (713) 782-6811 |
| Genesis Eurasia Inc 908 Town And Country Blvd 400, Houston 77024 | (713) 464-6000 |
| George Stevens Resources 1980 Post Oak Blvd, Houston 77056 | (713) 961-3324 |
| Median Oil & Gas Corp 16300 Katy Fwy, Houston 77094 | (281) 398-9204 |
| Glassell Producing 1021 Main St 2300, Houston 77002 | (713) 658-0001 |
| Lapis Operating 7757 San Felipe St 100, Houston 77063 | (713) 532-2200 |
| Mccarroll Energy 4605 Post Oak Place Dr # 250, Houston 77027 | (713) 652-0907 |
| Medallion Oil Co 1407 Fannin St, Houston 77002 | (713) 654-0144 |
| Marwell Petroleum 5847 San Felipe St 2030, Houston 77057 | (713) 781-1105 |
| Green Co 541 Pinehaven Dr, Houston 77024 | (713) 957-0011 |
| Marathon Oil Co 5555 San Felipe St, Houston 77056 | (713) 629-6600 |
| Gulf Terra Energy Partners Lp 4 E Greenway Plz, Houston 77046 | (832) 676-4853 |
| Gulfshore Oil Co 5120 Woodway Dr, Houston 77056 | (713) 623-0392 |
| H G Nelms Estate 4100 Westheimer Rd 245, Houston 77027 | (713) 960-9212 |
| Lurgi Oil & Gas 333 N Sam Houston Pkwy E 400, Houston 77060 | (281) 582-8892 |
| Louisiana Delta Oil Co 16225 Park Ten Pl, Houston 77084 | (281) 829-0900 |
| Maralo Inc 5151 San Felipe St 400, Houston 77056 | (713) 622-5420 |
| Hickman Oil & Gas 4606 Fm 1960 Rd W 400, Houston 77069 | (281) 893-4662 |
| Hilcorp Energy Co 1201 Louisiana St 1400, Houston 77002 | (713) 209-2400 |
| Layne Energy Inc 5847 San Felipe St, Houston 77057 | (713) 782-6400 |
| Westheimer Antique Ctr 1738 Westheimer Rd, Houston 77098 | (713) 526-9800 |
| Lakeside Exploration Corp 3939 Essex Ln, Houston 77027 | (713) 888-0345 |
| Lamar Holdings Co 3555 Timmons Ln 730, Houston 77027 | (713) 622-3622 |
| Kvaerner Oil & Gas 16010 Barkers Point Ln 400, Houston 77079 | (713) 596-4400 |
| L K Oil Field Products 10963 Cutten Rd, Houston 77066 | (281) 444-4121 |
| Houston Oil Producing Ents 1106 Berthea St, Houston 77006 | (713) 522-4673 |
| Kerogen Resources Llc 1880 S Dairy Ashford St 545, Houston 77077 | (832) 379-8300 |
| Kerrco Inc 808 Travis St 2200, Houston 77002 | (713) 229-9899 |
| Kilroy Co Of Texas Inc 3700 Buffalo Speedway 750, Houston 77098 | (713) 621-8221 |
| King Oil & Gas Of Texas Ltd 800 Bering Dr 305, Houston 77057 | (713) 266-5301 |
| Ken Petroleum 4201 Fm 1960 Rd W # 239, Houston 77068 | (281) 537-9697 |
| I H Perlman Oil & Gas Props 1980 Post Oak Blvd # 1450, Houston 77056 | (713) 871-8581 |
| Index Oil & Gas Usa 10000 Memorial Dr, Houston 77024 | (713) 683-0800 |
| Integral Resources Inc 811 Dallas St 1200, Houston 77002 | (713) 650-8058 |
| James E Lipetska 14520 Wunderlich Dr 150, Houston 77069 | (281) 444-8493 |
| Curtis Mc Kallip 2121 San Felipe St, Houston 77019 | (713) 522-6163 |
| Mrl Hydrocarbons Inc 7500 San Felipe St, Houston 77063 | (713) 914-8090 |