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API Member Companies

Our corporate members, from the largest major oil company to the smallest of independents, come from all sectors of the industry. They are producers, refiners, suppliers, pipeline operators and marine transportation companies, as well as service and supply companies that support all segments of the industry. Our members are committed to develop and adhere to the highest level industry standards, protect the environment, and lead in health and safety performance.

A  B C  D  E  F G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

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A

ABB/TOTALFLOW

ABS AMERICAS

ACCURATE MEASUREMENT CONTROLS, INC.

ACI SERVICES

ACUREN

ADVANCE VALVES

ADVANCED INDUSTRIAL SERVICES, INC.

AEC ENGINEERING

AECOM ENVIRONMENT GROUP

ALCOA OIL AND GAS

ALL-PRO FASTNERS, INC.

ALLERION OILFIELD SERVICES, INC. 

ALLOY BELLOWS AND PRECISION WELDING

ALLSTATE POWER-VAC 

ALSTOM GRID, INC.

ALYESKA PIPELINE SERVICE COMPANY

AMERICAN BLOCK CO

AMERAPEX CORPORATION

AMERICAN CRANE & EQUIPMENT CORPORATION

AMERICAN ENERGY PARTNERS

AMERICAN INNOVATIONS

AMERICAN INSPECTION SERVICES, INC.

AMERICAN MARINE SERVICES GROUP

AMERICAN SHALE OIL, LLC

AMERICAN PETROLEUM TANKERS, LLC

AMERIDRIVES INTERNATIONAL

AMSPEC SERVICES LLC

AMYRIS INC.

ANADARKO PETROLEUM CORPORATION

ANTEA GROUP.  

ANTON PAAR USA

AOI INTERNATIONAL, INC.

APAVE INTERNATIONAL

APPLIED TECHNICAL SERVICES, INC.

APPLUS VELOSI

APPLUSRTD

AQUILEX CORPORATION

ARCELOR MITTAL USA

ARCTIC OILFIELD SERVICES 

ARGUS CONSULTING

ARIEL CORPORATION

ARMCO

ARRAY HOLDINGS 

ARSEAL TECHNOLOGIES LLC

ASHLAND, INC. 

ASTON TECHNICAL CONSULTING SERVICES, LLC

ATHLON SOLUTIONS

ATKINS, INC.

ATCO EMISSIONS MANAGEMENT, INC.

ATHENS GROUP 

A.W. CHESTERTON COMPANY

AXON ENERGY PRODUCTS, INC.

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B

BAKER ENGINEERING & RISK CONSULTANTS, INC.

BAKER HUGHES, INC.

BALTIC CONTROL LTD. 

BASE LINE DATA, INC.

BASSLER ENERGY SERVICES, INC.

BASTION TECHNOLOGIES, INC.

BAYER TECHNOLOGY SERVICES AMERICAS

BECHTEL CORPORATION

BELCO MANUFACTURING CO. INC.

BELL TECHNOLOGIES, LLC

BELLE FOURCHE PIPELINE

BENCH TREE GROUP

BENOIT PREMIUM THREADING, LLC 

BERIC-DAVIS COMPANIES INTERNATIONAL LTD.

BESTOLIFE CORPORATION

BHL INTERNATIONAL, INC.

BHP BILLITON

BIG 6 DRILLING

BILFINGER NORTH AMERICA

BIRWELCO USA INC.

BLACK GOLD PUMP & SUPPLY

BLACKMER

BLADESTONE INTERNATIONAL


BLESS OILFIELD SERVICES, INC.

BLUE OCEAN TECHNOLOGIES LLC

BLUEKNIGHT ENERGY PARTNERS LLC

BOUCHARD TRANSPORTATION CO., INC.


BOUSTEAD INTERNATIONAL HEATERS LIMITED

BOWEN INDUSTRIAL CONTRACTORS, INC. 

BP AMERICA INC.

BRODIE INTERNATIONAL

BS&B SAFETY SYSTEMS, L.L.C.

BUCKEYE PIPELINE

BUREAU VERITAS NORTH AMERICA, INC.

BURCKHARDT COMPRESSION (US) INC.

BUREAU VERITAS ECUADOR C.A.

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C

CAN USA, INC.

C&C INDUSTRIES, INC.

C & J ENERGY SERVICES, INC. 

C &W TANK, INC.

CALDWELL TANKS, INC.

CAMERON INTERNATIONAL CORP.

CAMIN CARGO CONTROL

CAPE, INC.

CAPITOL ULTRASONICS COMPANY, INC.

CARE ION TECHNOLOGIST SDN. BHD.

CARPENTER TECHNOLOGY CORPORATION

CASHCO INC.

CATSI

CETEK LIMITED

CHARTER BROKERAGE

CHATTANOOGA BOILER & TANK, INC.

CHECK-6

CHEMSTAR

CHESAPEAKE ENERGY

CHEVRON CORPORATION

CIR LABORATORY, INC. 

CIRCOR ENERGY PRODUCTS, INC.

CLEAN FUEL ASSOCIATES, INC. 

CLEARSIGN COMBUSTION CORPORATION

CLEVELAND INTEGRITY SERVICES, INC. 

CJ WINTER MACHINE TECHNOLOGIES

C-MAR AMERICA, INC.

COASTAL FLOW MEASUREMENT, INC.

COASTAL GULF & INTERNATIONAL, INC.

COBALT INTERNATIONAL ENERGY, L.P.

OGNASCENTS CONSULTING GROUP, INC. 

COLLINS ENGINEER INC. 

COLONIAL PIPELINE COMPANY

COLORADO ENGINEERING EXPERIMENT STATION, INC.

COLUMBIA INDUSTRIES

COLUMBUS MCKINNON CORPORATION

CONBRACO INDUSTRIES, INC.

CONOCOPHILLIPS

CONSOLIDATED FABRICATION & CONSTRUCTORS

CONSOLIDATED PRESSURE CONTROL, LLLP

CONSULTING AND FIELD SERVICES, LLC 

CORROSION CONTROL INC.

CPW AMERICA CO. 

CRC-EVANS PIPELINE INTERNATIONAL

CRYOSTAR

CSD ENGINEERS, LLC

CST COVERS

CUMMINGS RITTER CONSULTANTS

CYNTECH CORPORATION

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D

DAKOTA PLAINS HOLDINGS, INC. 

DANIEL MEASUREMENT & CONTROL, INC.

DELTA C TECHNOLOGIES, INC.

DENSO NORTH AMERICA

DET NORSKE CLASSIFICATION (AMERICAS)

DET NORSKE VERITAS (USA) INC.

DEVON ENERGY CORP.

DHV INDUSTRIES, INC. 

DIAMOND OFFSHORE 

DIXON-EAGLE, INC.

DJA INSPECTION SERVICES, INC.

DOKAAN, LLC

DOVER ARTIFICIAL LIFT 

DOW CHEMICAL COMPANY

DOWNHOLE PRODUCTS USA 

DTC ENERGY GROUP, INC. 

DURA-BAR

DUOLINE TECHNOLOGIES, L.P.

DYNAMIC FLOW COMPUTERS

DYNMCDERMOTT

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E

EAGLE RESEARCH CORPORATION

ELECTRIC MACHINERY COMPANY / CONVERTEAM

ELECTROLAB 

ELEMENTIS SPECIALITIES

ELEMENT INTEGRITY GROUP, INC. 

ELLIOTT SERVICES, INC.

EMATS, INC.

ENBRIDGE ENERGY PARTNERS, L.P.

ENCANA

ENDRESS+HAUSER FLOWTEC AG

ENEFIT 

ENERGI INSURANCE SERVICES, INC.

ENERGY EXCHANGER COMPANY

ENERGY & TECHNOLOGY CORP. AND GROUP OF COMPANIES

ENERGY XXI

ENERVEST LTD. 

ENGINEERING & INSPECTION SERVICES, LLC

ENGINEERING PARTNERS INTERNATIONAL, INC.

ENOVATION CONTROLS

ENPRO INDUSTRIES PVT LTD

ENSCO PLC

ENTERPRISE PRODUCT PARTNERS LP

ENTHONE INC.

EORM, INC. 

EQUITY ENGINEERING GROUP, INC.

ERM - ENVIRONMENTAL RESOURCES MANAGEMENT

ESRI, INC. 

ENVIRONMENTAL STANDARDS INCORPORATED

EVONIK ROHMAX

EXPLORER PIPELINE COMPANY

EXPRESS ENERGY SERVICES

EXXONMOBIL

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F

FASTENAL COMPANY

FBV, INC.

FEDERAL SERVICES LLC

FISHER TANK COMPANY

FLEXTM, INC.

FLARE IGNITORS PIPELINE & REFINERY, LLC

FLEXSTEEL PIPELINE TECHNOLOGIES, INC

FLOW DATA, INC.

FLOW MANAGEMENT DEVICES, LLC

FLUOR CORPORATION

FMC TECHNOLOGIES INC.

FOERSTER INSTRUMENTS INC., USA 

FORUM VALVE SOLUTIONS

FOSS MARITIME COMPANY

FOSTER WHEELER USA CORPORATION

FRAC TECH SERVICES, LLC

FRANDSON SAFETY, INC. 

FREEPORT-MCMORAN OIL & GAS

FURMANITE

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G

GARLOCK SEALING TECHNOLOGIES

GAS AND AIR SYSTEMS, INC.

GBR

GEARENCH

GE ENERGY/ BENTLY NEVADA

GE OIL & GAS

GENERAL ELECTRIC INSPECTION SERVICES

GENESIS ENERGY

GEVO

GILBARCO VEEDER-ROOT

GL INDUSTRIAL SERVICES SINGAPORE PTE LTD.

GRACE INSTRUMENT LLC 

GREAT NORTHERN MIDSTREAM LLC

GREAT SOUTHERN TECHNOLOGIES

GRINDING & SIZING CO. LLC 

GULF INTERSTATE ENGINEERING COMPANY

GWC VALVE INTERNATIONAL, INC.

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H

HAMON DELTAK, INC.

HALLIBURTON COMPANY

HARVEY E. YATES COMPANY (HEYCO)

HAWMAN CONTAINER SERVICES

HERCULES OFFSHORE 

HESS CORPORATION

HI-TECH TESTING SERVICE, INC.

HMT, INC.

HOIST AND CRANE SERVICE GROUP

HOLLOWAY HOUSTON, INC.

HOLLY ENERGY PARTNERS, L.P.

U.S. HONEYWELL ENRAF AMERICAS INC.

HOOVER CONTAINER SOLUTIONS

HOUSTON BOLT & GASKET CO.

HORIBA INSTRUMENTS, INC. 

HOWDEN BURTON CORBLIN COMPRESSOR 

H. ROSEN USA, INC.

H SCAN INTERNATIONAL

HUDSON PRODUCTS CORPORATION

HULL & ASSOCIATES, INC.

HUNT CONSOLIDATED INC.

HUNTING ENERGY SERVICES

HUNTINGTON INGALLS INDUSTRIES

HUNTINGTON TESTING & TECHNOLOGY, INC.

HY-GRADE VALVE, INC. 

HYDAC TECHNOLOGY CORPORATION

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I

ICL CALIBRATION LABORATORIES, INC.

ICO ASIAPACIFIC SINGAPORE PTE. LTD.

IDEMITSU LUBRICANTS AMERICA

ieASSURANCE

IESCO LLC  

INDUSTRONIC, INC. 

INFINEUM

INSPECTORATE AMERICA CORP.

INTECH PROCESS AUTOMATION

INTEGRATED PROTECTION SERVICES, INC.

INTEGRITY SOLUTIONS, LTD. 

INTERNATIONAL DERRICK SERVICES, LLC.

INTERSPEC, LLC

INTERTEK

INQUEST INC.































ioMOSAIC CORPORATION































IOWA TANKLINES, INC. 































IRED THERMAL GROUP Ltd.































IRISNDTMatrix Corp.































ITT CORPORATION































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J































J & B PAVELKA, INC. 































JAB ENERGY SOLUTIONS































JAMES MACHINE WORKS, INC.































JD NEUHAUS LP































JET-LUBE, INC.































JFE STEEL AMERICA, INC.































J.J. WHITE , INC. 































JOHN CRANE INC.































JOHN L. LOWERY & ASSOCIATES, INC.































JSW STEEL USA INC.































JUSTISS OIL COMPANY































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K































KAM CONTROLS, INC.































KAMAL ENGINEERING CORPORATION































KAWA ENGINEERING LTD. 































KAYDON RING & SEAL, INC.































KBK INDUSTRIES 































KELCHNER































KEYSTONE SHIPPING































KIRBY OFFSHORE MARINE































KIMRAY INC.































KINDER MORGAN ENERGY PARTNERSHIP, L.P.































KINDER VALVES, INC.































KROHNE, INC. 































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L































L & J TECHNOLOGIES































LARSEN & TOUBRO LIMITED































LAURENTIAN STEEL FABRICATORS, INC.































LEE SPECIALTIES, LTD. 































LEECO STEEL, LLC































LIGHTNING ELIMINATORS & CONSULTANTS, INC. 































LIGHTNING MASTER CORPORATION































LIQUID CONTROLS GROUP  































LLOYD'S REGISTER AMERICAS































LLOYD'S REGISTER ENERGY AMERICAS, INC.































LOADMASTER ENGINEERING































LONE STAR INDUCTION, INC. 































LOOP LLC































LOR CONSULTING, INC. 































LORD CORPORATION































LUBRIZOL CORPORATION































LUFKIN INDUSTRIES, INC.































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M































M & H ENERGY SERVICES































MAERSK DRILLING































MAERSK OIL AMERICA, INC.































MAGELLAN MIDSTREAM PARTNERS































MAGNAFLUX































MAGNETIC ANALYSIS CORPORATION































MANGAN, INC.































MAGNUM PIERING, INC. 































MAP OIL TOOLS































MARATHON OIL COMPANY































MARATHON PETROLEUM CORPORATION































MARINE SPILL RESPONSE CORPORATION































MASS TECHNOLOGY CORPORATION































MATHENA, INC. 































MATRIX PDM ENGINEERING































MAVERICK TESTING LABORATORIES, INC.































MCCROMETER































MEADOWS ANALYSIS & DESIGN, LLC 































MECHATRENDS CONTRACTORS CORP.































MERICHEM COMPANY































MERIDIUM, INC.































MESA INDUSTRIES































METER ENGINEERS, INC.































MICRO MOTION, INC.































MIDCONTINENTAL CHEMICAL COMPANY































MID-STATES SUPPLY COMPANY INC.































MIDLAND MANUFACTURING CORPORATION































MIDWESTERN SERVICES, INC.































MILLER CONSULTING SERVICES































MILWAUKEE VALVE COMPANY































MISTRAS GROUP, INC.































MMI ENGINEERING 































MOGAS INDUSTRIES































MOKVELD VALVES, INC.































MOODY AND ASSOCIATES, INC.































MOODY INTERNATIONAL, INC.































MORAN TOWING CORPORATION































MOTT TANK INSPECTION, INC.































MUSE, STANCIL & COMPANY































MURPHY OIL CORPORATION































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N































NATIONAL OILWELL VARCO































NATIONAL PUMP COMPANY, LLC.

NATIONAL STEEL CAR































NATIONAL STEEL ERECTION, INC.































NATIONWIDE BOILER INCORPORATED































NAUTILUS INTERNATIONAL, LLC































NAVARIK CORP.































NAVASOTA OILFIELD SERVICES, INC.































NDT SYSTEMS & SERVICES (AMERICA), INC.































NESTE OIL 































NEUMAN & ESSER USA, INC.































NEWDELL COMPANY































NEWMARKET CORPORATION































NEWPARK RESOURCES, INC.































NIAGARA BLOWER HEAT TRANSFER SOLUTIONS































NISER INTERNATIONAL































NMC GLOBAL CORP.































NOBLE CORPORATION































NORTHERN TIER ENERGY 































NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION































NORTH WEST REDWATER PARTNERSHIP































NORTHWEST TECHNICAL SOLUTIONS 































NSK CORPORATION 































NUSTAR ENERGY L.P.































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O































OCCIDENTAL OIL & GAS CORPORATION































OCEAN SHIPHOLDINGS, INC.































OCEANEERING INTERNATIONAL, INC.































OSECO INC. 































OCS GROUP































OFFSHORE INSPECTION GROUP































OFI TESTING EQUIPMENT, INC. (OFITE)































OIL & GAS PROCESS SOLUTIONS 































OIL INSPECTIONS (USA), INC.

























































OK LEASING LATIN AMERICA, INC.































OMNI FLOW COMPUTERS, INC.































ONEOK































ONWARD, LLC































ORION DRILLING COMPANY, LLC































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P































PACIFIC DRILLING SERVICES, INC.































PACIFIC PETROLEUM CALIFORNIA, INC.































PALA-INTERSTATE, LLC































PARAGON INDUSTRIES, INC.































PARKER DRILLING COMPANY































PARKER HANNIFIN CORPORATION































PARKER PGI































PASO ROBLES TANK, INC.































PATTERSON TUBULAR SERVICES































PB ENERGY STORAGE SERVICES, INC.































PBM, INC.































PCA ENGINEERING, INC.































PEERLESS DYNAMICS































PEGASUS INSPECTIONS & CONSULTINGS LLC































PENTAIR VALVES AND CONTROLS 































PENNSYLVANIA GENERAL ENERGY, LLC































PERMIAN PRODUCTION EQUIPMENT, INC.































PETROBRAS AMERICA, INC.































PETROCHEM INSPECTION SERVICES































PETROSPECT, INC.































PETRUSTECH OIL & GAS, LLC































PHILADELPHIA GEAR CORPORATION































PHILADELPHIA MIXING SOLUTIONS































PHILLIPS 66































PHOENIX INDUSTRIAL LTD.































PINNACLE AIS































PINNACLE OIL































PLAINS ALL AMERICAN PIPELINE, L.P.































PLS CONSTRUCTION, INC. 































PMC INDUSTRIES































POCAR SEAL































POND & COMPANY































PORTLAND PIPE LINE CORPORATION































POTAMAC ENVIRONMENTAL, INC.































PPL INTERSTATE ENERGY COMPANY































PPM CONSULTANTS, INC.































PRECISION DRILLING OILFIELD SERVICES CORPORATION































PREMIER ENERGY TECHNICAL SERVICES 

PRIMARY SOURCING CORP































PROJECT CONSULTING SERVICES, INC.















































PROVENANCE CONSULTING































PROTECTOSEAL COMPANY































PRUITT TOOL & SUPPLY CO., INC. 































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Q































QUEST CONSULTANTS INC. 































QUALITY CONTROL COMPANY































QUALITY CUSTOMS INSPECTIONS & LABORATORIES































QUALSPEC































QUANTITYWARE 































QUEST INTEGRITY USA, LLC































QUORUM BUSINESS SOLUTIONS, INC.































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R































RAINBOW MECHANICAL & ELECTRICAL WORKS LLC































RCP INC. 































REBL REFRACTORIES EVALUATIONS LABORATORY LTD































RECON ENGINEERING AND CONSTRUCTION































RED DOG MOBILE SHELTERS, LLC































REDGUARD 































REINAUER TRANSPORTATION COMPANIES































REPSOL E&P USA INC.































RICCARDELLI CONSULTING SERVICES, INC. 































ROBERT J. JENKINS AND CO.































ROBINSON INTERNATIONAL (USA), INC.































ROCKFORD CORPORATION































ROCKY MOUNTAIN FABRICATION































RODDEY ENGINEERING SERVICES































ROTARY COMPONENTS INTERNATIONAL, INC.































ROWAN COMPANIES, INC.































ROXTEC, INC































R.T. VANDERBILT COMPANY, INC.































RUHRPUMPEN, INC.































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S































SABRE MANUFACTURING































SAF-T COMPLIANCE INTERNATIONAL 































SAFETY-KLEEN SYSTEMS, INC.































SANDBAGS, LLC































SAUDI REFINING, INC.































SAVAGE SERVICES CORPORATION































SAYBOLT INC.































SBM-ATLANTIA































SCAN SYSTEMS CORP.































SCENIC PRECISE ELEMENT, INC.































SCHLUMBERGER LIMITED































SCHNEIDER ELECTRIC































SCHRAMM, INC.































SDS PETROLEUM CONSULTANTS, L.L.C































SEABULK INTERNATIONAL INC.































SEARIVER MARITIME, INC.































SEMGROUP CORPORATION































SENTRY EQUIPMENT CORP.































SERVICE KING MFG.































SET INDUSTRIAL SERVICES, INC.































SGS NORTH AMERICA, INC.































SHELL OIL COMPANY































SHM INDUSTRIES, CO.































SICK MAIHAK, INC.































SIAPTEK































SIEMENS ENERGY - OIL & GAS CONSULTING SOLUTIONS































SIEMENS WATER TECHNOLOGIES CORP.































SIERRA SERVICES, LLC































SINTEX MINERALS & SERVICES, INC. 































SIVALLS, INC.































SK LUBRICANTS AMERICAS































SMITH & BURGESS LLC.































SMITH TANK & STEEL, INC.































SOLON MANUFACTURING COMPANY































SOUTH COAST PRODUCTS, INC.































SOUTHERN VALVE SERVICES































SPACE SCIENCE SERVICES, INC.































SPECTRA ENERGY 































SPL, INC.

SPOOLTECH, INC.































S-TANK ENGINEERING CO. LTD































STANTEC































STANTECH































STATOIL































STRESS ENGINEERING SERVICES, INC.































STUPP CORPORATION































SULZER PUMPS, INC.































SUNBELT EXPRESS SERVICES, INC. 































SUNOCO LOGISTICS































SWAGELOK COMPANY































SWI VALVE CORPORATION































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T































T.D. WILLIAMSON, INC.































T.H. HILL ASSOCIATES, INC.































TALISMAN ENERGY INC.

TAMPA TANK, INC.































TANCO ENGINEERING, INC.































TANK BUILDERS, INC.































TANK INDUSTRY CONSULTANTS, INC.































TAUBER OIL COMPANY































TEADIT NORTH AMERICA































TEAM, INC.































TEEKAY SHIPPING































TEEMCO, LLC































TECHCORR USA LLC































TEJAS TUBULAR PRODUCTS, INC.































TENARIS































TESTEX INSPECTION LLC































TETRA TECH, INC.































TEXAS PIPE WORKS, INC.































T.F. WARREN GROUP 































THE NEW ERA GROUP































THERMO NITON ANALYZERS LLC































THIELSCH ENGINEERING































THORPE SPECIALTY SERVICES CORPORATION 































TIDEWATER INC.































TIDY STEEL-FAB LTD.































T.I.E.C., INC. 































TITAN CONTRACTING & LEASING COMPANY, INC.































TOTAL E&P USA, INC.































TOTAL SAFETY































TRANSCANADA PIPELINES































TRANSOCEAN































TRANSPORTATION & INDUSTRIAL SERVICES, INC.































TRINITY INDUSTRIES LEASING COMPANY































TRISTAR TERMINALS GUAM, INC.































TRUE OIL CO.































TUBULAR SYNERGY GROUP, LP































TUCKER ENERGY SERVICES, INC. 































TURNER SPECIALTY SERVICES































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U































UDELHOVEN OILFIELD SYSTEMS SERVICES, INC.































ULTRATEST NDT SERVICES INC. 































UNION TANK CAR COMPANY































UNITED SPIRAL PIPE































UNIVERSAL LUBRICANTS FACTORY (ZINOL) L.L.C.































UOP, LLC































US BENTONITE PROCESSING, INC.































U.S. STEEL TUBULAR PRODUCTS, INC.































U.S. TSUBAKI, INC.































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V































































VALLEY INDUSTRIAL X-RAY AND INSPECTION SERVICES, INC.
































VALVTECHNOLOGIES































VAL-MATIC VALVE AND MANUFACTURING CORPORATION































VAREC, INC.































VERIFORCE, LLC































VERSA INTEGRITY GROUP































VICTAULIC































VISTA LEAK DETECTION































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W































W & T OFFSHORE, INC.































WALZEL TECHNICAL SERVICES































WAVECREST OFFSHORE SOLUTIONS INC.































WEATHERFORD INTERNATIONAL LTD.































WEG ELECTRIC CORP.































WELKER, INC.































WESTERN REFINING LOGISTICS































WELLBORE SPECIALITIES LLC































WESTERN ENERGY SERVICES CORPORATION































WESTON SOLUTIONS, INC.































WICHITA CLUTCH, INC. 

WIKA INSTRUMENT LP, USA































WILD WELL CONTROL































WILLIAMS































WILLIAM E. WILLIAMS VALVE CORPORATION































W.L. WALKER COMPANY, INC.































WM. POWELL COMPANY































WOODWARD GOVERNOR COMPANY































WOOLSLAYER COMPANIES, INC.

WORTHINGTON CYLINDERS - A WORTHINGTON INDUSTRIES COMPANY































WPX ENERGY, INC.































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X































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Y

YOKOGAWA CORPORATION OF AMERICA































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Z































































ZEECO, INC.