Supporting Company Members

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A
A & A STEEL FABRICATING CO ALLSTATE STEEL CO INC APEX CONTROLS INC
ACCELERON INC AMADA AMERICA INC. APOLLO MECHANICAL CONTRAC
ACCUWRIGHT INDUSTRIES INC AMEREN ARCELORMITTAL COATESVILLE
ACE WELDING CO INC AMERICAN CAST IRON PIPE CO ATCO PRODUCTS, INC.
ACME ELECTRIC WELDER CO AMERICAN ENG TESTING INC ATLAS INDUSTRIAL MFG CO
ADVANCE WELDING INC AMERICAN POWER CONNECTION SYSTEMS INC AUCIELLO IRON WORKS INC
ALCAVIL S A DE C V AMES CONSTRUCTION AUTOMATION INTERNATIONAL INC
ALL STEEL CONSULTANTS INC AMETEK AVENUE FABRICATING INC
ALLIANCE LAUNDRY SYSTEMS ANDERSON & DAHLEN AZTECH TRAINING AND CONSULTANCY
ALLOY COATING SUPPLY ANDERSON BUILDING MATERIALS  

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B
BALL SERVICE GROUP INC. BIG D METALWORKS BONACIO CONSTRUCTION - ME
BANNER WELDER INC BLUESCOPE BUILDINGS - ANNVILLE BRINDLEY ENGINEERING CORPORATION
BASSETT INDUSTRIES INC BMW MANUFACTURING CORP BROWNSVILLE MARINE PRODUCTS
BASSETT MECHANICAL BOARDMAN INC BUCKEYE FASTENERS
BENDER CCP, INC BOLT CONSTRUCTION INC BYRON PRODUCTS

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C
C 4 WELDING INC. CERTIFIED TESTING LABORATORIES COMPLETE AUTOMATION
C M STEEL INC CF INDUSTRIES INC - VERDIGRIS PLANT CONAN IND E COMERCIO DE
C&W OFFSHORE LTD CHALLENGE MFG. CONEWAGO ENTERPRISES INC
CALDWELL TANKS INC CHAPMAN MARINE INC. CONN-WELD INDUSTRIES
CAMFIL AIR POLLUTION CONTROL CIBO ABRASIVES USA CONTAINER TECHNOLOGIES INDS
CAPITAL CONTRACTORS CINC INDUSTRIES INC CONTRACTORS MATERIALS COMPANY
CARPENTER POWDER PRODUCTS, INC. CINCINNATI THERMAL SPRAY INC CORROSION MONITORING SERVICES, INC
CATERPILLAR WORK TOOLS - KANSAS FACILITY CLEARWATER CONTRACTING CRITICAL PATH METALWORKS
CATERPILLAR WORK TOOLS - WACO FACILITY CMC SOUTH CAROLINA STEEL CROM LLC
CENTRAL TEXAS IRON W CO SW IRONWORKERS JAT CURTISS-WRIGHT SURFACE TECHNOLOGIES
CENTRAL WASHINGTON REFRIGERATION COASTAL INDUSTRIAL SERVIC CUSTOM ENGINEERING CO
CERTIFIED TANK COLDWATER MACHINE COMPANY, LLC CYBERSMITH ENGINEERING

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D
D&L WELD INC. DAVLAN ENGINEERING DIXON CONSTRUCTION
D/F MACHINE SPECIALTIES, INC DEARING COMPRESSOR AND PUMP COMPANY DONALDSON TORIT
DARRAH ELECTRIC CO DIAMOND GROUND PRODUCTS DRYDEN DIVING COMPANY, INC.
DAVE STEEL CO INC DIAMOND TECHNICAL SERVICES INC. DUOMO EUROSERVICES S.L

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E
EAST BAY MUNICIPAL UTILITY DST ELK RIVER MACHINE CO EVANS WELDING LLC
EBCO INDUSTRIES LTD. ELLISON SURFACE TECHNOLOGIES EWALD INSTRUMENTS CORP
EDOO'S WELD & INDUSTRIAL SUPPLY EMCO WHEATON EXAMINACION E INGENIERIA EN SOLDADURA
EISELE CONNECTORS, INC. EMPIRE BUCKET INC EXLINE INC
EK MACHINE CO ENVENT CORPORATION EXOCOR
ELECTRON BEAM WELDING LLC EQUIPMENT & CONTROLS, INC  

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F
F.W. GARTNER THERMAL SPRAYING FN SMITH CORP FUSION INC
FABRICO INC FRANK LILL & SON INC. FUSION TECH INTEGRATED INC
FABRINEERING LLC FRAZIER INDUSTRIAL CO FUSION WELDING SOLUTIONS
FALCON STEEL COMPANY FREEDMAN SEATING CO  

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G
G.E. SCHMIDT, INC. GILBERT INDUSTRIAL INC GREAT PLAINS MANUFACTURING, INC.
GARLOCK SEALING TECHNOLOGY GLOBE METAL INC GREEN BELTING INDUSTRIES LTD
GEM INDUSTRIAL GONVARRI MS CORPORATE SL GRUPO FERROSO S A
GENERAL SHEET METAL WORKS GRAHAM CORPORATION GUILD INTERNATIONAL INC

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H
H.C. STARCK NORTH AMERICAN TRADING LLC HAYDEN CORPORATION HENDRICKSON TRUCK SUSPENSION
HAI ADVANCED MATERIAL SPECIALISTS INC HAYNES INTERNATIONAL HONEYWELL INTERNATIONAL FM&T
HANOVER IRON & STEEL CO INC    

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I
IBC ADVANCED ALLOYS INDUSTRIAL SUPPLIER LAREY INC INTERTRON INDUSTRIES INC
IFAB INDUSTRIAL, LLC INDUSTRIAS COSI S.A DE C.V IRISNDT INC.
IMERYS FUSED MINERALS INFRASTRUCTURE ENGINEERS, IRONFORM (IMPERIAL GROUP & DTMP)
IMPERIAL SYSTEMS INC INTERNATIONAL PIPE & SUPPLY LLC IRWIN STEEL
INDUSTRIAL STEEL, INC.    

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J
J R HOE & SONS JACKSON ENERGY AUTHORITY JOHNSON WELDED PRODUCTS
J T STEEL JOHN BOUCHARD & SONS CO.  

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K
KAT INDUSTRIES INC KERMETICO KOYO GIKEN INC
KEEN COMPRESSED GAS KLEIN PRODUCTS, INC KRITON WELD EQUIPMENTS PVT LTD
KENNAMETAL STELLITE KNAPHEIDE MFG CO  

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L
LAMPTON WELDING SUPP CO LINDE ENGINEERING NORTH AMERICA LUFKIN INDUSTRIES INC
LANZEN INC LINDINGER INSPECTION ENGINEERS LYNDON STEEL COMPANY
LASER ADVANTAGE LLC LINEAGE ALLOYS INC. LYNN WELDING CO INC.
LEAS S.P.A. LOUISIANA STATE DEPT OF TRANS  

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M
MAGNUM CONTRACTING, INC. MECCON INDUSTRIES INC MIDSTATE MANUFACTURING CO
MANCHESTER TANK & EQUIPMENT MEDFORD FABRICATION MILLER ELECTRIC GAS EQUIPMENT
MANUFACTURA Y ALEACION COBRE SA - MACOSA MELTON MACHINE & CONTROL COMPANY MILLER MECHANICAL SERVICE
MARATHON PETROLEUM CO - HARDIN METAL FABRICATION INDUSTR MOORHEAD MACHINERY & BOILER CO
MARYLAND BRUSH CO METALLISATION LTD. MORAN IRON WORKS INC
MASTER STEEL LLC METALS FABRICATION COMPANY MORRISON CONTRACT MFG CO
MATERIALS TRANSPORTATION COMPANY METTLER-TOLEDO INC MOUNTAIN MAN WELDING AND FABRICATION
MATUSCHEK WELDING PRODUCTS INC MICRO AIR MTI WELDING TECHNOLOGIES LTD
MCLELLAN INDUSTRIES, INC. MID AMERICA STEEL INC MTORRES AMERICA PACIFICA ENGINEERING
MD MERRETT INC    

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N
NATION COATING SYSTEMS INC. NIDEC MINSTER CORPORATION NLIGHT CORP.
NATIONAL BRONZE & METALS NIGEN INDUSTRIES, LLC NORTHEAST STEEL FABRICATORS
NDE PROFESSIONALS INC NIGHTHAWK WELDING NSRW INC
NGK METALS CORPORATION NIMAK BRAEUER NORTH AMERICA INC NUCOR BUILDING SYSTEMS
NIBROCK INC NINGBO POWERWAY ALLOY MATERIAL CO LTD  

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O
OMEGA NATCHIQ, INC. ORBITAL ATK - SPACE SYSTEMS OXFORD ALLOYS INC

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P
PACIFIC RIM MECHANICAL CONTRAC PENN WELDING SUPPLY CO PORTER CORP
PACKAGE STEEL SYSTEM INC PETRA ENGINEERING FOR INSPECTION POYNTER SHEET METAL
PARKER HANNIFIN CORPORATION PHOTON AUTOMATION, INC. PRAXAIR SURFACE TECHNOLOGIES
PATTI MARINE ENTERPRISES, INC. PHPK TECHNOLOGIES PRECISION IRON WORKS INC
PAXTON VIERLING STEEL CO PICKWICK MFG SERVICES PRO-MACHINE INC.
PAYNE ENGINEERING & FAB CO INC PJR & ASSOCIATES, INC. PROGRESSIVE SURFACE INC
PENDARVIS MANUFACTURING INC PLANSEE SE PROMOTECH SP. Z O.O
PENGO CORPORATION    

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R
RAST IRON WORKS REIS ROBOTICS ROCKMOUNT RES & ALLOYS INC
RCC FABRICATORS INC RES MANUFACTURING CO ROYALE INC
REALITYWORKS, INC. RESOURCE MFG RYCHTIK WELDING INC
REINKE MANUFACTURING CO INC REUSS INDUSTRIES INC  

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S
S & B METAL PRODUCTS SOUTHERN COPPER & SUPPLY STATE OF MAINE DOT
SAKURA OF AMERICA SOUTHERN METAL FABRICATORS INC STEELFAB INC
SCHARDEIN MECHANICAL SOUTHPORT HEATING PLUMBING & GEOTHERMAL STONE BRIDGE IRON & STEEL INC
SE ENERGY,LLC SOUTHWEST IRONWORK INC STRATE WELDING SUPPLY JAX
SEFTON STEEL LP SPEC-WELD TECHNOLOGIES INC SUMMIT METAL FABRICATORS
SENTRY STEEL INC SPIKA WELDING & MFG INC SUPERIOR MACHINE MARION DIV.
SHEPARD STEEL CO INC SPRAYMETAL INC. - SCHUMACHER CO. SUPERIOR SHOT PEENING INC
SHERBROOKE METALS CORP STANDARD RESISTANCE WELDER CO SUPREME STEEL LP
SIMKO INDUSTRIAL FABRICATORS STANDARDAERO - SAN ANTONIO INC. SUREWAY TOOL & ENGINEERING COMPANY
SK COMMERCIAL CONSTRUCTIO    

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T
TAYLOR PRESS PRODUCTS THE LINCOLN ELEC (AUSTRALIA) TOLOMATIC INC
TAYLOR-WINFIELD TECHNOLOGIES THE SACK COMPANY TRANTER INC
TEC-OPTION THERMACH TRIDENT BUILDING SYSTEMS INC
TECHNO-CONTROL CYBERNETIC INC THERMION INC TRINITY SHORING PRODUCTS, INC.
TECKNOWELD ALLOYS INDIA PRIVATE LIMITED THOMPSON FRICTION WELDING TUNGCO POWDER PROCUREMENT
TECNA S.P.A THREE RIVERS CORPORATION TURBINEPROS
TECNOLOGIA ESTRUCTURAL MEXICANA SA CV TIPALOY INC TYCO FIRE SUPPRESSION INC
THE LASER SHOP TOCALO CO LTD  

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U
UNITROL ELECTRONICS INC US INSPECTION US TOWER CORP - KS

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V
VACUWORX VERSA INTEGRITY GROUP VOITH HYDRO INC
VALMONT NEWMARK - HAZLETON VOESTALPINE BOHLER WELDING MEXICO, S.A. VULCRAFT INC
VDS WEST INC    

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W
W F WELDING & OVERHEAD CRANES WEIL ENGINEERING WELDFAB LIMITED
WALL COLMONOY WELCO SERVICES INC WELDOBOT USA (DIV HELLER IND.)
WAREHOUSE ONE INC WELD SEAM INC WELDPOINT ENG. CO. LTD.
WATSON BOWMAN & ACME CORP WELD-DONE WELDING INC WILSCHUR
WAYNE ENGINEERING DIVISION OF WELDCOMPUTER CORPORATION WOOSHIN NORTH AMERICA
WAYNE INTEGRATED TECHNOLOGIES CORP. WELDERS SUPPLY CO WORTON MFG CO. LTD.

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Z
ZAGROS TATBIGH KALA ENG. & TECH INSP CO.