INTERNACIONALES:

A/S BULKHANDLING
ANGLO SHIPPING TRADING
NAVESCO, S.A.
ATLAS MARITIME - U.S.A.
PHOENIX BULK CARRIERS
STOLT NIELSEN TRANSPORTATION
DOWA LINE AMERICA
POL AMERICA INC
DUFERCO STEEL U.S.A.
POLSTEAM USA INC
PENNANT SERVICOS MARITIMOS/BOSSCLIP LINES
SEATRANS ERMEFER TANKERS
GORTHON LINE
DOME CHARTERING USA
BERGEN BULK CARRIER
STARGAS CHARTERING
STEMCOR USA/LONDON
ILVA AMERICA INC
JONKER INT'L U.S.A.
KOCH INDUSTRIES
UNIGAS INTERNATIONAL
JUMBO SHPNG
WESTERN BULK CARRIERS
MAERSK SEALAND
TRIWORLD SHIPPING USA
NORGAS AMERICAS
ASSOCIATED TRANSPORT LINE
ONEGO SHIPPING

NACIONALES

AHMSA
APM S.A. DE C.V.
DEACERO S.A. DE C.V.
HYLSA S.A. DE C.V.
TERNIUM S.A.
MEXICHEM S.A. DE C.V.