TURNER COMPANY
A. SCHONBEK & CO., INC.
NORANDA ALUMINUM, INC.
GENERAL MOTORS CORP., GM ASSEMBLY DIV.
ALLIED PLANT MAINTENANCE CO. OF OKLAHOMA, INC.
CLEMENT FOOD COMPANY
MILLCON CORPORATION
FWA DRILLING COMPANY, INC.
CCI, INC.
GENERAL ELECTRIC COMPANY
CONSOLIDATED ALUMINUM CORPORATION
THE BRONZE CRAFT CORPORATION
CARGILL, INC.
CHAPMAN CONSTRUCTION CO., INC.
GALLO MECHANICAL CONTRACTORS, INC.
SPECIAL METALS CORPORATION
WILLAMETTE IRON AND STEEL COMPANY
NASHUA CORPORATION
WESTINGHOUSE ELECTRIC CORPORATION
RESEARCH-COTTRELL, INC.
ROCKWELL INTERNATIONAL CORPORATION
NEWPORT NEWS SHIPBUILDING & DRYDOCK CO.
NEWPORT NEWS SHIPBUILDING & DRYDOCK CO.
BUNKOFF CONSTRUCTION CO., INC.
GENERAL MOTORS CORPORATION, FRIGIDAIRE DIVISION
HARRIS BROTHERS ROOFING CO.
GENERAL DIVERS COMPANY
ORMET CORPORATION
R. ZOPPO CO., INC.
COEUR D'ALENE TRIBAL FARM
L. A. DREYFUS COMPANY
CMH COMPANY, INC.
BENTON FOUNDRY, INC.
MICHAEL CONSTRUCTION CO., INC.
WHIRLPOOL CORPORATION
BROWN & ROOT, POWER PLANT DIVISION
MARION POWER SHOVEL CO., INC.
ERSKINE-FRASER CO.
MORRISON-KNUDSEN AND ASSOCIATES
THE BOAM COMPANY
DIC-UNDERHILL, a Joint Venture
C. R. BURNETT AND SONS, INC.; HARLLEE FARMS
STRIPE-A-ZONE, INC.
FORTE BROTHERS, INC.
RAYBESTOS FRICTION MATERIALS COMPANY
TEXLAND DRILLING CORPORATION
THE ANACONDA COMPANY, WIRE AND CABLE DIVISION
SAM HALL & SONS, INC.
VAMPCO METAL PRODUCTS, INC.
LEONE INDUSTRIES, INC.
ASARCO, INC.
DURANT ELEVATOR, A DIVISION OF SCOULAR-BISHOP GRAIN COMPANY
PLUM CREEK LUMBER COMPANY
PLUM CREEK LUMBER COMPANY
STEARNS-ROGER, INC.
FERRO CORPORATION, (ELECTRO DIVISION)
AMERICAN PACKAGE COMPANY, INC.
BROWN & ROOT, INC., POWER PLANT DIVISION
FLEETWOOD HOMES OF TEXAS, INC.
DONALD HARRIS, INC.
A. PROKOSCH & SONS SHEET METAL, INC.; MID-HUDSON AUTOMATIC SPRINKLER COMPANY, INC.
ELECTRICAL CONSTRUCTORS OF AMERICA, INC.
DAYTON TIRE & RUBBER COMPANY (Division of the Firestone Tire & Rubber Company)
ASARCO, INC., EL PASO DIVISION; HUGHES TOOL COMPANY
NAVAJO FOREST PRODUCTS INDUSTRIES
METROPAK CONTAINERS CORPORATION
AUSTIN BUILDING COMPANY
BABCOCK AND WILCOX COMPANY
DARRAGH COMPANY
BABCOCK & WILCOX COMPANY
OTIS ELEVATOR COMPANY
R. ZOPPO COMPANY, INC.
LUTZ, DAILY & BRAIN - CONSULTING ENGINEERS
PENNSYLVANIA POWER & LIGHT CO.
HARSCO CORPORATION, d/b/a PLANT CITY STEEL COMPANY
NORTHWEST AIRLINES, INC.
INDEPENDENCE FOUNDRY & MANUFACTURING CO., INC.
GENERAL MOTORS CORPORATION, INLAND DIVISION
WELDSHIP CORPORATION
S & S DIVING COMPANY
SNIDER INDUSTRIES, INC.
NATIONAL STEEL AND SHIPBUILDING COMPANY
MAXWELL WIREBOUND BOX CO., INC.
CONTINENTAL GRAIN COMPANY
MISSOURI FARMER'S ASSOCIATION, INC., MFA BOONVILLE EXCHANGE; MFA, INC., d/b/a MFA GRAIN DIVISION; DESERT GOLD FEED COMPANY
CAPITAL CITY EXCAVATING CO., INC.
GAF CORPORATION
PPG INDUSTRIES (CARIBE) a Corporation
DRUTH PACKAGING CORPORATION
SOUTHWESTERN ELECTRIC POWER COMPANY
TUNNEL ELECTRIC CONSTRUCTION CO.
WEATHERBY ENGINEERING COMPANY
JOHNSON STEEL & WIRE CO., INC.
AUSTIN ROAD CO.
MAYHEW STEEL PRODUCTS, INC.
LADISH CO., TRI-CLOVER DIVISION, a Corporation
PULLMAN POWER PRODUCTS, INC.
NATIONAL ROOFING CORPORATION
OSCO INDUSTRIES, INC.
HIGHWAY MOTOR COMPANY, d/b/a PARK PRICE MOTOR COMPANY
S.J. GROVES AND SONS COMPANY
CAR AND TRUCK DOCTOR, INC.
PRESTRESSED SYSTEMS, INC.
TEXACO, INC.
GEORGIA HIGHWAY EXPRESS, INC.
RED LOBSTER INNS OF AMERICA, INC.
SUNRISE PLASTERING CORP.
STONE & WEBSTER ENGINEERING CORPORATION
H.B. ZACHRY COMPANY (INTERNATIONAL)
NATIONAL INDUSTRIAL CONSTRUCTORS, INC.
BUSHWICK COMMISSION COMPANY, INC.
CIRCLE T DRILLING CO., INC.
J.L. FOTI CONSTRUCTION COMPANY, INC.
TEXACO, INC.
KENNETH P. THOMPSON CO., INC.
HENRY C. BECK COMPANY
HEATH & STICH, INC.
FARMERS EXPORT COMPANY
FOSTER AND KLEISER
TURNER WELDING & ERECTION CO., INC.
TRI-CITY CONSTRUCTION CO.
THE DURIRON COMPANY, INC.
SAMSON PAPER BAG CO., INC.
MEL JARVIS CONSTRUCTION COMPANY, Inc.
MIDWEST STEEL ERECTION, INC.
GEISLER GANZ CORPORATION