Albemarle Corporation [ALB]
Arch Chemicals, Inc. [ARJ]
Axion International Holdings, Inc. [AXIH.OB]

BioLargo, Inc. [BLGO.OB]

Calgon Carbon Corporation [CCC]
Clean Diesel Technologies, Inc. [CDTI]

Detrex Corporation [DTRX.PK]

Epolin, Inc. [EPLN.OB]

Georgia Gulf Corporation [GGC]

Hawkins, Inc. [HWKN]

ICO, Inc. [ICOC]
Innophos Holdings, Inc. [IPHS]
International Flavors & Fragrances Inc. [IFF]

Landec Corporation [LNDC]
Lydall, Inc. [LDL]

Minerals Technologies Inc. [MTX]
Mobile Area Networks, Inc. [MANW.OB]

Nalco Holding Company [NLC]
NL Industries, Inc. [NL]

Olin Corporation [OLN]

PolyOne Corporation [POL]
Praxair, Inc. [PX]
PT. Tri Polyta Indonesia Tbk [PTPIY.PK]

Resin Systems Inc. [RSSYF.PK]
Rhodia [RHAYY.PK]

Shin-Etsu Chemical Co., Ltd. [SHECY.PK]
Sinopec Shanghai Petrochemical Company Limited [SHI]
Sociedad Química y Minera de Chile S.A. [SQM]
Solvay SA [SVYSY.PK]
Sterling Chemicals, Inc. [SCHI.OB]

TOR Minerals International, Inc. [TORM]

Valhi, Inc. [VHI]