Accron LP

Exxonmobil Chemical Company

Oiltanking Houston, LP

Advanced Aromatics, LP

Fast Signs

Old World Industries

Air Liquide America LP

Flint Hills Resources

Olin Chlor -Alkali

Albemarle Corporation

Florida Marine Transporter, Inc.

Optimized Solutions

Allan F. Dow Group

Garrett Oil

Panamerican Chemical Marketing

Alpac Marketing Services, Inc.

Gary-Williams Energy Corp.

Peak Sulfur, Inc.

Ameritx

Grain Processing Corporation

Perin Resources LLC

Ampac Chemical Company, Inc.

Greenwood Chemicals, Inc.

Philchem , Inc.

Amspec Services LLC

Gulf Energy Company

Pilot Chemical Company

Anglo Shipping & Trading, Inc.

Haltermann Products

Platts

Ashland Distribution Co.

Haugen Consulting LLC

Polimeri Europa Americas, Inc.

Ashton Chemical Corp.

Hdh Chemical

Praxair, Inc.

Atlantic Methanol

Headway Enterprises LLC

Prudential Equity Group, Inc.

Atlas Maritime Associates, Ltd.

Helm U.S. Corporation

Qualitex

Aurora Tankers USA, Inc.

Houston Distribution Services

R. E. Kennedy & Associates, LP

BASF Corporation

Huntsman LLC

Rb Products, Inc.

Basic Chemical Solutions, L.L.C.

ICIS-LOR

Rhome & Co., Inc.

Bayou City Products & Services

Industrial Solvents Corporation

Rimkus Consulting Group, Inc.

Berryman Chemical Inc.

Inland Inspections, Inc.

Rohm And Haas Company

Black Diamond Research

Integra U.S. Marketing LLC

Roman Wall Enterprises, Inc.

BP Chemical

Inter-Bentley, Inc.

Sabic Americas, Inc.

BP Solvay Polyethylene

Interchem Americas Inc.

Safe Harbour Houston

Bsi - Inspectorate America Corp.

Intercontinental Terminals Company

Samsung America, Inc.

Buckeye Gulf Coast Pipe Lines, LP

Intergulf Corporation

Saybolt LP

Caleb Brett

International Energy Partners, L.L.C.

Schenectady International, Inc.

Candor Chemicals LLC

International Tanker Chartering, Inc

Self-Employed

Celanese

Intertek Caleb Brett

Sempra Energy Solutions

Cenac Towing Co., Inc.

Isp Elastomers

Sgs

CGI

Itertek Caleb Brett

Sgs North America Inc.

Champion Technologies

Itochu Specialty Chemicals, Inc.

Shell Chemical

Chemconnect

J R Resources Inc.

Shrieve Chemical Company

Chemcross

J.V.W. Investment Ltd.

Sinochem - USA

Chem -Energy Advisors LLC

Jacobs Consultancy Inc.

Soltex , Inc.

Chemetals International Inc.

Jim Jordan & Associates

South Hampton Refining Co.

Chemex Corporation

Jlm International Inc.

Southern Chemical Corp.

Chemical Data Inc.

Jo Tankers Inc.

Southern Garrett, LLC

Chemical Exchange Industries, Inc.

Jts Enterprises, Inc.

Sri Consulting

Chemical Intelligence

Kalama International L.L.C.

Sterling Chemicals, Inc.

Chemical News & Intelligence

Kemimore International Co.

Stolt Nielsen Transportation Group

Chemical Research & Licensing

Kerr Norton Stachan

Stolthaven Houston, Inc.

Chemicals Etc., Inc.

Kinder Morgan

Summit Petrochemical Trading Inc.

Chemlogix , Llp

Kirby Inland Marine

SWCA

Chemorganics

Km Liquids Terminals, LP

Sweetlake Chemical, Ltd.

Chemstar , Inc.

Kmco , LP

Tauber Petrochemical Co

Chemtech Labs Inc.

Koch Hydrocarbon

Teppco

Chevron Phillips Chemical Company

Kolmar Petrochemicals

Tessenderlo Davison Chemicals LLC

Citgo Petroeum Corp.

K- Solv , LP

Texala , LLC

Clarkson Shipping Service USA

L & R Midland, Inc.

Texas Aromatics LP

CMAI

Laurin Maritime ( America ) Inc.

Texas Molecular

CNI (Chemical News And Intelligence)

Lbc Houston, LP

The Cit Group Inc./Equipment Finance

CNI Online

Lindauer Consulting

The Dow Chemical Company

Coastal Chemical/ Brenntag

Linden Bulk Transportation, Sw, LLC

The Meadows Group

Colonial Oil Industries, Inc.

Lone Star R.S. Platou & Braemar Inc.

The Plaza Group

Conchemco , Inc.

Lozier Energy

The Sinclair Group

Concordia Chemical LLC

Lyondell

Third Coast Chemical, Inc.

Conlin & Associates, Inc.

Maersk Sealand Inc.

Tigrad Services, Inc.

Conoco Phillips Inc.

Maneko , Inc.

Total Petrochemicals USA

Consolidated Chemical Industries

Marathon Ashland Petroleum

Townsend's Polymer Services & Information

Conversion Gas Imports, LP

Marcus Products Company

Tradax Energy, Inc.

Copenhagen Tankers Inc.

Marserve , Inc.

Trammochem

Core Chemical Corporation

Marubeni America Corporation

Transchem , Inc.

Cpii , Inc.

Methanex Methanol Company

Transport Service Company

Crocco & Associates, Inc.

Methylchem Company LLC

Tricon Energy

Cw Transport LLC

Millennium Chemicals

Trinity Rail Group

Cxi , Inc.

Mitsubishi International Corp.

Truth Chemical

Dewitt & Company, Inc.

Montachem , Inc.

Tsbv Consultants

Dixie Chemical Company, Inc.

Mortex Alcohol Company

UBS Warburg

Dow Chemical

Murex N.A., Ltd.

Valero Energy Corp.

Dow Haltermann Custom Processing

National Petrochemical & Refining Association

Ventum Energy

E.I.Dupont De Nemours

Netco

Vitol S.A., Inc.

Eastman Chemical Company

Network Chartering Americas Inc.

Vitusa Products, Inc.

Eastport Maritime USA

Nexant Chem Systems

Vopak

El Paso Corporation

Nisseki Chemical Tx Inc.

Wald -Tinkle Packaging

Enerchem Access, Ltd.

Noble Americas Corp.

Waxtech International Inc.

Entec Vrg

Nova Chemicals, Inc.

Wci Consulting

Enterprise Products Company

Noveon Kalama, Inc.

Weco - Shipping Inc.

Equistar Chemicals, LP

Oceana Petrochemicals A.G.

Westlake Petrochemicals

Excellink Advisors LLC

Odfjell Terminals LP

Westway Terminal Co. Inc.

Expo Chemical Co., Inc.

Odin Marine ( Texas ) .L.L.C.