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Nonprofit : Medical Research : Nerve, Muscle, Bone Research
FOUNDATION FOR SOUTHWEST ORTHOPEDIC RESEARCH
Contact info
6560 FANNIN ST STE 1016
HOUSTON TX 77030-2725
Last update: 2007-12-01
This nonprofit has assets of $136,963, income of $274,439, revenue of $274,439.
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Nearby Public Companies
| Company | City | State | Sector |
|---|---|---|---|
| ADAMS RESOURCES & ENERGY, INC. | HOUSTON | TX | Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals |
| ADMINISTAFF INC \DE\ | KINGWOOD | TX | Help Supply Services |
| AIM FLOATING RATE FUND | HOUSTON | TX | Uncategorized |
| AIM SELECT REAL ESTATE INCOME FUND | HOUSTON | TX | Uncategorized |
| ALLIS CHALMERS ENERGY INC. | HOUSTON | TX | Oil and Gas Field Services, NEC |
| AMERICAN ELECTRIC TECHNOLOGIES INC | HOUSTON | TX | Sheet Metal Work |
| AMERICAN ENTERPRISE DEVELOPMENT CORP | CARROLLTON | TX | Business Services, NEC |
| AMERICAN HOMESTAR CORP | LEAGUE CITY | TX | Prefabricated Wood Buildings and Components |
| AMERICAN INTERNATIONAL INDUSTRIES INC | KEMAH | TX | Investors, NEC |
| AMERICAN SECURITY RESOURCES CORP. | HOUSTON | TX | Motors and Generators |
| AMERICAN SPECTRUM REALTY INC | HOUSTON | TX | Real Estate Investment Trusts |
| AMREIT | HOUSTON | TX | Real Estate Investment Trusts |
| AMREIT MONTHLY INCOME & GROWTH FUND III LTD | HOUSTON | TX | Real Estate Investment Trusts |
| AMREIT MONTHLY INCOME & GROWTH FUND IV LP | HOUSTON | TX | Real Estate Investment Trusts |
| AMREIT, INC. | HOUSTON | TX | Real Estate Investment Trusts |
| ANADARKO PETROLEUM CORP | THE WOODLANDS | TX | Crude Petroleum and Natural Gas |
| APACHE CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ARKANOVA ENERGY CORP. | THE WOODLANDS | TX | Gold and Silver Ores |
| ATNG INC | HOUSTON | TX | Communications Services, NEC |
| ATP OIL & GAS CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| AZTEC OIL & GAS, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| BAKER HUGHES INC | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| BEST ENERGY SERVICES, INC. | HOUSTON | TX | Mining & Quarrying of Nonmetallic Minerals (No Fuels) |
| BINDVIEW DEVELOPMENT CORP | HOUSTON | TX | Prepackaged Software |
| BLAST ENERGY SERVICES, INC. | HOUSTON | TX | Oil and Gas Field Exploration Services |
| BLUE DOLPHIN ENERGY CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| BOARDWALK PIPELINE PARTNERS, LP | HOUSTON | TX | Natural Gas Transmission |
| BOIS D ARC ENERGY, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| BPK RESOURCES INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| BRAZAURO RESOURCES CORP | HOUSTON | TX | Mining & Quarrying of Nonmetallic Minerals (No Fuels) |
| BUCKEYE PARTNERS, L.P. | HOUSTON | TX | Pipe Lines (No Natural Gas) |
| BURLINGTON RESOURCES INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CALPINE CORP | HOUSTON | TX | Electric Services |
| CALYPSO WIRELESS INC | HOUSTON | TX | Telephone Communications, Except Radiotelephone |
| CAMDEN PROPERTY TRUST | HOUSTON | TX | Real Estate Investment Trusts |
| CAMERON INTERNATIONAL CORP | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| CAPSTONE CHURCH CAPITAL FUND | HOUSTON | TX | Uncategorized |
| CARRIAGE SERVICES INC | HOUSTON | TX | Services-Personal Services |
| CARRIZO OIL & GAS INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CASPIAN INTERNATIONAL OIL CORP | HOUSTON | TX | Blank Checks |
| CASTLE DENTAL CENTERS INC | HOUSTON | TX | Management Services |
| CENTERPOINT ENERGY INC | HOUSTON | TX | Electric Services |
| CENTERPOINT ENERGY RESOURCES CORP | HOUSTON | TX | Electric Services |
| CHAMPION COMMUNICATION SERVICES INC | THE WOODLANDS | TX | Communications Services, NEC |
| CHENIERE ENERGY INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CHENIERE ENERGY PARTNERS, L.P. | HOUSTON | TX | Natural Gas Distribution |
| COASTAL BANCORP INC | HOUSTON | TX | Savings institutions, Not Federally Chartered |
| COBALT INTERNATIONAL ENERGY, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| COBRA OIL & GAS CO | HOUSTON | TX | Drilling Oil and Gas Wells |
| COLONY ENERGY, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| COMFORT SYSTEMS USA INC | HOUSTON | TX | Electrical Work |
| COMSYS IT PARTNERS INC | HOUSTON | TX | Help Supply Services |
| CONCENTRAX INC | HOUSTON | TX | Radio and Television Broadcasting and Communications Equipment |
| CONSOLIDATED GRAPHICS INC /TX/ | HOUSTON | TX | Commercial Printing |
| CONSTELLATION ENERGY PARTNERS LLC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CONTANGO OIL & GAS CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CONTINENTAL AIRLINES INC /DE/ | HOUSTON | TX | Air Transportation, Scheduled |
| COPANO ENERGY, L.L.C. | HOUSTON | TX | Natural Gas Transmission |
| CORNELL COMPANIES INC | HOUSTON | TX | Facilities Support Management Services |
| CRIMSON EXPLORATION INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| CROWN CASTLE INTERNATIONAL CORP | HOUSTON | TX | Communications Services, NEC |
| CYBERONICS INC | HOUSTON | TX | Electromedical and Electrotherapeutic Apparatus |
| DEEP DOWN, INC. | CHANNELVIEW | TX | Oil and Gas Field Machinery and Equipment |
| DUNCAN ENERGY PARTNERS L.P. | HOUSTON | TX | Natural Gas Transmission |
| DUNE ENERGY INC | HOUSTON | TX | Oil and Gas Field Services, NEC |
| DWANGO NORTH AMERICA CORP | HOUSTON | TX | Radiotelephone Communications |
| DYNACQ HEALTHCARE INC | HOUSTON | TX | Offices and Clinics of Doctors of Medicine |
| DYNEGY INC /IL/ | HOUSTON | TX | Crude Petroleum and Natural Gas |
| DYNEGY INC. | HOUSTON | TX | Electric Services |
| EAGLE BROADBAND INC | LEAGUE CITY | TX | Communications Equipment, NEC |
| EAGLE ROCK ENERGY PARTNERS L P | HOUSTON | TX | Crude Petroleum and Natural Gas |
| EDGE PETROLEUM CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| EDGELINE HOLDINGS, INC. | HOUSTON | TX | Pharmaceutical Preparations |
| EGL INC | HOUSTON | TX | Arrangement of Transportation of Freight and Cargo |
| EL PASO CORP/DE | HOUSTON | TX | Natural Gas Transmission |
| EL PASO PIPELINE PARTNERS, L.P. | HOUSTON | TX | Natural Gas Transmission |
| ENBRIDGE ENERGY MANAGEMENT L L C | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ENCORE BANCSHARES INC | HOUSTON | TX | National Commercial Banks |
| ENCYSIVE PHARMACEUTICALS INC | HOUSTON | TX | Pharmaceutical Preparations |
| ENDEAVOUR INTERNATIONAL CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ENDEVCO INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ENDOWMENT INSTITUTIONAL FUND, L.P. | HOUSTON | TX | Uncategorized |
| ENDOWMENT MASTER FUND L P | HOUSTON | TX | Uncategorized |
| ENDOWMENT REGISTERED FUND L P | HOUSTON | TX | Uncategorized |
| ENDOWMENT TEI FUND, L.P. | HOUSTON | TX | Uncategorized |
| ENGLOBAL CORP | HOUSTON | TX | Engineering Services |
| ENSOURCE ENERGY INCOME FUND LP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ENTERPRISE GP HOLDINGS L.P. | HOUSTON | TX | Natural Gas Transmission |
| ENTERPRISE PRODUCTS PARTNERS L P | HOUSTON | TX | Natural Gas Transmission |
| ENVIRONMENTAL REMEDIATION HOLDING CORP | HOUSTON | TX | Oil and Gas Field Services, NEC |
| ENVIRONMENTAL SAFEGUARDS INC/TX | HOUSTON | TX | Refuse Systems |
| EOG RESOURCES INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| EPIC ENERGY RESOURCES, INC. | THE WOODLANDS | TX | Management Consulting Services |
| EQUUS TOTAL RETURN, INC. | HOUSTON | TX | Uncategorized |
| ERF WIRELESS, INC. | LEAGUE CITY | TX | Communications Equipment, NEC |
| EV ENERGY PARTNERS, LP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| EXOBOX TECHNOLOGIES CORP. | HOUSTON | TX | Prepackaged Software |
| EXOUSIA ADVANCED MATERIALS, INC. | HOUSTON | TX | Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) |
| EXPRESSJET HOLDINGS INC | HOUSTON | TX | Air Transportation, Scheduled |
| EXTENSIONS, INC. | HOUSTON | TX | General Bldg Contractors - Residential Bldgs |
| FALCON NATURAL GAS CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| FAR EAST ENERGY CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| FIRST CAPITAL INTERNATIONAL INC | HOUSTON | TX | Electronic Computers |
| FIRST COMMUNITY CAPITAL CORP | HOUSTON | TX | State Commercial Banks |
| FIRST INVESTORS FINANCIAL SERVICES GROUP INC | HOUSTON | TX | Personal Credit Institutions |
| FMC TECHNOLOGIES INC | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| FORSTER DRILLING CORP | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| FORTUNE NATURAL RESOURCES CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| FRIEDMAN INDUSTRIES INC | HOUSTON | TX | Steel Works, Blast Furnaces & Rolling & Finishing Mills |
| GASTAR EXPLORATION LTD | HOUSTON | TX | Crude Petroleum and Natural Gas |
| GATEWAY ENERGY CORP/NE | HOUSTON | TX | Natural Gas Transmission |
| GENESIS ENERGY LP | HOUSTON | TX | Petroleum Bulk Stations and Terminals |
| GEOMET, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| GEORESOURCES INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| GEXA CORP | HOUSTON | TX | Electric Services |
| GK INTELLIGENT SYSTEMS INC | HOUSTON | TX | Non-Operating Establishments |
| GOODMAN GLOBAL INC | HOUSTON | TX | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment |
| GOODRICH PETROLEUM CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| GRANT PRIDECO INC | THE WOODLANDS | TX | Oil and Gas Field Machinery and Equipment |
| GREAT WALL BUILDERS LTD., | HOUSTON | TX | Operative Builders |
| GULF COAST OIL & GAS INC. | HOUSTON | TX | Metal Mining |
| GULF WESTERN PETROLEUM CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| GULFTERRA ENERGY PARTNERS L P | HOUSTON | TX | Natural Gas Transmission |
| GUNDLE SLT ENVIRONMENTAL INC | HOUSTON | TX | Unsupported Plastics Film and Sheet |
| HALLIBURTON CO | HOUSTON | TX | Oil and Gas Field Services, NEC |
| HAMMONDS INDUSTRIES, INC. | KEMAH | TX | Motor Vehicles and Passenger Car Bodies |
| HANDY HARDWARE WHOLESALE INC | HOUSTON | TX | Wholesale-Hardware & Plumbing & Heating Equipment & Supplies |
| HANOVER COMPRESSOR CO / | HOUSTON | TX | Equipment Rental and Leasing, NEC |
| HELIX ENERGY SOLUTIONS GROUP INC | HOUSTON | TX | Oil and Gas Field Services, NEC |
| HEMIWEDGE INDUSTRIES, INC | CONROE | TX | Fabricated Structural Metal Products |
| HERCULES OFFSHORE, INC. | HOUSTON | TX | Drilling Oil and Gas Wells |
| HINES REAL ESTATE INVESTMENT TRUST INC | HOUSTON | TX | Real Estate Investment Trusts |
| HOLLOMAN ENERGY CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| HOUSTON AMERICAN ENERGY CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| HOUSTON EXPLORATION CO | HOUSTON | TX | Oil and Gas Field Exploration Services |
| HOUSTON WIRE & CABLE CO | HOUSTON | TX | Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials |
| HYDRIL CO | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| ICO INC | HOUSTON | TX | Plastics Products, NEC |
| INFRARED SYSTEMS INTERNATIONAL | THE WOODLANDS | TX | Measuring and Controlling Devices, NEC |
| INOVACHEM, INC. | HOUSTON | TX | Blank Checks |
| INTEGRATED ELECTRICAL SERVICES INC | HOUSTON | TX | Electrical Work |
| INTERSTATE DATA USA INC | HOUSTON, | TX | Business Services, NEC |
| ISRAMCO INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| JK ACQUISITION CORP. | HOUSTON | TX | Blank Checks |
| KAISER ALUMINUM & CHEMICAL CORP | HOUSTON | TX | Primary Production of Aluminum |
| KAYNE ANDERSON ENERGY DEVELOPMENT CO | HOUSTON | TX | Uncategorized |
| KBR, INC. | HOUSTON | TX | Heavy Construction Other Than Bldg Const - Contractors |
| KCS ENERGY INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| KEY ENERGY SERVICES INC | HOUSTON | TX | Drilling Oil and Gas Wells |
| KINDER MORGAN ENERGY PARTNERS L P | HOUSTON | TX | Natural Gas Transmission |
| KINDER MORGAN INC | HOUSTON | TX | Natural Gas Transmission and Distribution |
| KINDER MORGAN MANAGEMENT LLC | HOUSTON | TX | Pipe Lines (No Natural Gas) |
| KIRBY CORP | HOUSTON | TX | Water Transportation |
| KRATON PERFORMANCE POLYMERS, INC. | HOUSTON | TX | Plastics Material and Synthetic Resins, and Nonvulcanizable Elastomers |
| LAPOLLA INDUSTRIES INC | HOUSTON | TX | Paints, Varnishes, Lacquers, Enamels, and Allied Products |
| LATIN AMERICAN TELECOMMUNICATIONS VENTURE CO | HOUSTON | TX | Blank Checks |
| LINN ENERGY, LLC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| LUCAS ENERGY, INC. | BELLAIRE | TX | Crude Petroleum and Natural Gas |
| LYONDELL CHEMICAL CO | HOUSTON | TX | Industrial Organic Chemicals |
| MAGNUM HUNTER RESOURCES CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| MAIN STREET CAPITAL CORP | HOUSTON | TX | Uncategorized |
| MAXIM TEP, INC | THE WOODLANDS | TX | Oil and Gas Field Exploration Services |
| MAXXAM INC | HOUSTON | TX | Forestry |
| MENS WEARHOUSE INC | HOUSTON | TX | Retail-Apparel & Accessory Stores |
| MESA OFFSHORE TRUST | HOUSTON | TX | Crude Petroleum and Natural Gas |
| METALS USA INC | HOUSTON | TX | Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills |
| MEXICAN RESTAURANTS INC | HOUSTON | TX | Eating and Drinking Places |
| MICROMED CARDIOVASCULAR INC | HOUSTON | TX | Surgical and Medical Instruments and Apparatus |
| MINING OIL, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| MINT LEASING INC | HOUSTON | TX | Finance Lessors |
| MISSION RESOURCES CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| MOMENTUM BIOFUELS, INC. | LEAGUE CITY | TX | Industrial Organic Chemicals |
| NATIONWIDE UTILITIES CORP. | HOUSTON | TX | Oil and Gas Field Exploration Services |
| NATURAL RESOURCE PARTNERS LP | HOUSTON | TX | Bituminous Coal and Lignite Surface Mining |
| NETFONE INC | HOSUTON | TX | Telephone Communications, Except Radiotelephone |
| NEVADA GOLD & CASINOS INC | HOUSTON | TX | Services-Miscellaneous Amusement & Recreation |
| NEW CENTURY ENERGY CORP. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| NEWFIELD EXPLORATION CO /DE/ | HOUSTON | TX | Crude Petroleum and Natural Gas |
| NGA HOLDCO, LLC | THE WOODLANDS | TX | Investors, NEC |
| NGP CAPITAL RESOURCES CO | HOUSTON | TX | Uncategorized |
| NOBLE ENERGY INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| NORTH AMERICAN TECHNOLOGIES GROUP INC /TX/ | HOUSTON | TX | Industrial Organic Chemicals |
| NOVA BIOSOURCE FUELS, INC. | HOUSTON | TX | Petroleum Refining |
| NUEVO ENERGY CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| OCTAGON 88 RESOURCES, INC. | HOUSTON | TX | Drilling Oil and Gas Wells |
| OIL STATES INTERNATIONAL, INC | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| OMEGA PROTEIN CORP | HOUSTON | TX | Fats & Oils |
| ORION MARINE GROUP INC | HOUSTON | TX | Heavy Construction Other Than Bldg Const - Contractors |
| PARKER DRILLING CO /DE/ | HOUSTON | TX | Drilling Oil and Gas Wells |
| PARTICLE DRILLING TECHNOLOGIES INC/NV | HOUSTON | TX | Oil and Gas Field Services, NEC |
| PETROHAWK ENERGY CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| PETROSEARCH ENERGY CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| PHILIP SERVICES CORP/DE | HOUSTON | TX | Sanitary Services |
| PIONEER COMPANIES INC | HOUSTON | TX | Chemicals & Allied Products |
| PLAINS ALL AMERICAN PIPELINE LP | HOUSTON | TX | Pipe Lines (No Natural Gas) |
| PLAINS EXPLORATION & PRODUCTION CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| PLAINS RESOURCES INC | HOUSTON | TX | Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals |
| POSITRON CORP | HOUSTON | TX | Electromedical and Electrotherapeutic Apparatus |
| POWELL INDUSTRIES INC | HOUSTON | TX | Switchgear and Switchboard Apparatus |
| PRIDE INTERNATIONAL INC | HOUSTON | TX | Drilling Oil and Gas Wells |
| PROJECT GROUP INC | HOUSTON | TX | Business Services, NEC |
| PROS HOLDINGS, INC. | HOUSTON | TX | Computer Programming Services |
| PROSPERITY BANCSHARES INC | HOUSTON | TX | State Commercial Banks |
| QUANEX BUILDING PRODUCTS CORP | HOUSTON | TX | Rolling Drawing & Extruding of Nonferrous Metals |
| QUANEX CORP | HOUSTON | TX | Rolling Drawing & Extruding of Nonferrous Metals |
| QUANTA SERVICES INC | HOUSTON | TX | Electrical Work |
| REPROS THERAPEUTICS INC. | WOODLANDS | TX | Biological Products, Except Diagnostic Substances |
| RICKS CABARET INTERNATIONAL INC | HOUSTON | TX | Retail-Eating & Drinking Places |
| RIVIANA FOODS INC /DE/ | HOUSON | TX | Grain Mill Products |
| ROCKPORT HEALTHCARE GROUP INC | HOUSTON | TX | Services-Misc Health & Allied Services, NEC |
| ROSETTA RESOURCES INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| ROWAN COMPANIES INC | HOUSTON | TX | Drilling Oil and Gas Wells |
| RRI ENERGY INC | HOUSTON | TX | Electric Services |
| SALIENT ABSOLUTE RETURN MASTER FUND | HOUSTON | TX | Uncategorized |
| SANDERS MORRIS HARRIS GROUP INC | HOUSTON | TX | Investment Advice |
| SANTA FE ENERGY TRUST | HOUSTON | TX | Oil Royalty Traders |
| SCHLUMBERGER LTD /NV/ | HOUSTON | TX | Oil and Gas Field Services, NEC |
| SEAHAWK DRILLING, INC. | HOUSTON | TX | Drilling Oil and Gas Wells |
| SERVICE CORPORATION INTERNATIONAL | HOUSTON | TX | Services-Personal Services |
| SEVEN SEAS PETROLEUM INC | HOUSTON | TX | Oil and Gas Field Exploration Services |
| SGD HOLDINGS LTD | CONROE | TX | Jewelry, Watches, Precious Stones, and Precious Metals |
| SHARPS COMPLIANCE CORP | HOUSTON | TX | Hazardous Waste Management |
| SMITH INTERNATIONAL INC | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| SONTERRA RESOURCES, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| SOUTHERN STAR ENERGY INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| SOUTHERN UNION CO | HOUSTON | TX | Natural Gas Transmission |
| SOUTHWEST BANCORP OF TEXAS INC | HOUSTON | TX | National Commercial Banks |
| SOUTHWESTERN ENERGY CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| SPECTRA ENERGY CORP. | HOUSTON | TX | Natural Gas Transmission and Distribution |
| SPECTRA ENERGY PARTNERS, LP | HOUSTON | TX | Natural Gas Transmission |
| SPINE PAIN MANAGEMENT, INC | HOUSTON | TX | Detective, Guard, and Armored Car Services |
| SPINNAKER EXPLORATION CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| STAGE STORES INC | HOUSTON | TX | Family Clothing Stores |
| STERLING CHEMICALS INC | HOUSTON | TX | Industrial Organic Chemicals |
| STERLING ELECTRONICS CORP | HOUSTON | TX | Electronic Parts and Equipment, NEC |
| STERLING EQUITY HOLDINGS INC | HOUSTON | TX | Miscellaneous Business Credit Institutions |
| STEWART & STEVENSON SERVICES INC | HOUSTON | TX | Engines & Turbines |
| STEWART INFORMATION SERVICES CORP | HOUSTON | TX | Title Insurance |
| STRATUM HOLDINGS, INC. | HOUSTON | TX | Employment Agencies |
| STRIKER OIL & GAS, INC. | HOUSTON | TX | Crude Petroleum and Natural Gas |
| SUNRISE ENERGY RESOURCES INC | HOUSTON | TX | Oil and Gas Field Exploration Services |
| SUSTAINABLE POWER CORP. | BAYTOWN | TX | Industrial Organic Chemicals |
| SWIFT ENERGY CO | HOUSTON | TX | Crude Petroleum and Natural Gas |
| SYNAGRO TECHNOLOGIES INC | HOUSTON | TX | Refuse Systems |
| SYNTHESIS ENERGY SYSTEMS INC | HOUSTON | TX | Miscellaneous Products of Petroleum & Coal |
| T-3 ENERGY SERVICES INC | HOUSTON | TX | Oil and Gas Field Machinery and Equipment |
| TANOX INC | HOUSTON | TX | Pharmaceutical Preparations |
| TARGA RESOURCES PARTNERS LP | HOUSTON | TX | Natural Gas Transmission |
| TAURUS ENTERTAINMENT COMPANIES INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| TC PIPELINES LP | HOUSTON | TX | Natural Gas Transmission |
| TEAM INC | ALVIN | TX | Services-Miscellaneous Repair Services |
| TEKOIL & GAS CORP | THE WOODLANDS | TX | Oil and Gas Field Services, NEC |
| TEL OFFSHORE TRUST | HOUSTON | TX | Oil Royalty Traders |
| TEPPCO PARTNERS LP | HOUSTON | TX | Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals |
| TETRA TECHNOLOGIES INC | THE WOODLANDS | TX | Crude Petroleum and Natural Gas |
| TPC GROUP INC. | HOUSTON | TX | Industrial Organic Chemicals |
| TRANSMERIDIAN EXPLORATION INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| TRANSOCEAN INC | HOUSTON | TX | Drilling Oil and Gas Wells |
| TREASURE ISLAND ROYALTY TRUST | HOUSTON | TX | Crude Petroleum and Natural Gas |
| TRICO MARINE SERVICES INC | THE WOODLANDS | TX | Water Transportation |
| TRINITYCARE SENIOR LIVING, INC. | FRIENDSWOOD | TX | Eating and Drinking Places |
| TRULITE INC | HOUSTON | TX | Industrial Inorganic Chemicals |
| TURNER VALLEY OIL & GAS INC | HOUSTON | TX | Crude Petroleum and Natural Gas |
| U S LIQUIDS INC | HOUSTON | TX | Hazardous Waste Management |
| ULTRA PETROLEUM CORP | HOUSTON | TX | Crude Petroleum and Natural Gas |
| US ONCOLOGY INC | HOUSTON | TX | Specialty Outpatient Facilities, NEC |
| VAALCO ENERGY INC /DE/ | HOUSTON | TX | Crude Petroleum and Natural Gas |
| VANTAGE ENERGY SERVICES, INC. | HOUSTON | TX | Oil and Gas Field Services, NEC |
| VERTEX ENERGY INC. | HOUSTON | TX | Refuse Systems |
| WASTE MANAGEMENT INC | HOUSTON | TX | Refuse Systems |
| WCA WASTE CORP | HOUSTON | TX | Refuse Systems |
| WEATHERFORD INTERNATIONAL LTD | HOUSTON | TX | Drilling Oil and Gas Wells |
| WEATHERFORD INTERNATIONAL LTD./SWITZERLAND | HOUSTON | TX | Drilling Oil and Gas Wells |
| WESTERN GAS PARTNERS LP | THE WOODLANDS | TX | Natural Gas Transmission |
| WHITTIER ENERGY CORP | HOUSTON | TX | Oil and Gas Field Exploration Services |
| WILLBROS GROUP, INC.\NEW\ | HOUSTON | TX | Oil and Gas Field Services, NEC |