*ABB

ABB Operations (UK)

*AECI Chlor Plastics

African Products

*Afrox

Air Products

Alfa Laval Separation (UK)

Alpret Automation

Alusaf (Bayside Smelter)

*Alusaf (Hillside Smelter)

AMI

Anglo Alpha Cement – Ulco

*Anglo American

Anglo American Research Lab.

Barberton Gold Mine

Beatrix Gold Mine

*BHP Petroleum (UK)

Blyth Power Station (UK)

*Botswana Power

*BP (UK)

BP Chemicals (UK)

*British Steel (UK)

Brunner Mond (UK)

Buffelsfontein Gold Mine

*Cabot Corporation (UK)

*Caltex Refinery

*Carless Refinery (UK)

*Carlsberg-Tetley Brewery (UK)

*Carlton Paper

*CG Smith Sugar

*Cegelec (UK)

Celtech (UK)

*Clover SA

*Conoco Refinery (UK)

* Consol Glass

* Columbus Steel

Cyprus Petroleum (Cyprus)

Danisco Paper (UK)

*De Beers Industrial

*De Beers Jwaneng Mine

(Botswana)

*De Beers Venetia Mine

Derbyshire Steel (UK)

Dow Corning (UK)

East Driefontein Gold Mine

*Elandsrand Gold Mine

*Engen Refinery

*Ergo

*Eskom College

Eskom Duvha Power Station

*Eskom Hendrina Power Station

*Eskom Kendal Power Station

*Eskom Koeberg NuclearPower Station

*Eskom Kriel Power Station

*Eskom Lethabo Power Station

*Eskom Matimba Power Station

*Eskom Tutuka Power Station

Fisher-Rosemount (UK)

*Fisons Pharmaceuticals (UK)

GEC Alstrom (UK)

*Gencor Metallurgical Services

*Genref Refinery

Glaxo Operations (UK)

Glaxo Wellcome (UK)

Gold Fields Training Services

Grain Power Station (UK)

Grootvlei Gold Mine

*Hartman & Braun

Hoechst

HTH Aquachlor

*Hulett Aluminium

*ICI - North Tees Works (UK)

ICI Eutech (UK)

Impala Platinum Refineries

Illovo Sugar - Eston Mill

Illovo Sugar - Gledhow Mill

*Illovo Sugar - Pongola Mill

*Illovo Sugar - Sezela Mill

Illovo Sugar - Umfolozi Mill

*Iscor Rosh Pinah

*JSL (UK)

Johnson Mathey

Kvaerner Process Tech. (UK)

Kimberley Clark (UK)

*Kimberley Clark S.A.

Kinross Gold Mine

Kloof Gold Mine

Koornfontein Mine

Lever Brothers

Lindsey Oil Refinery (UK)

Lonrho (Western Plat. Mine)

*Magnox (UK)

Manganese Metals

*Middelburg Ferrochrome

*Middelburg Mining Services

*Montell (UK)

MF Kent

*Mhlumi Sugar (Swaziland)

Mondi Board Mills

*Mondi Paper Mills

*Mossgas Refinery

*Nampak Tissue (Kliprivier)

National Dairy Equipment

National Power (UK)

Natref Refinery

*Normalair Garrett (UK)

*Northam Platinum

Northern Sewage

*Palaborwa Mining Company

*PFG Building Glass

PG Bison

*Polifin

*Polifin Monomers

Powergen (UK)

PPC (Dwaalboom)

Rand Water

*Richards Bay Minerals

Rockwell Automation

*Rossing Uranium (Namibia)

*Royal Swazi Sugar

*Rugby Cement (UK)

*SA Breweries

Safripol

Samancor

*Sappi Fine Papers

*Sappi Kraft

*Sappi Saiccor

Sappi South Africa

*Shell & BP Refinery

Shell Chemicals

*Sasol Synthetic Fuels

Sastech

St Helena Gold Mine

Synetex (UK)

*Technikon Northern Gauteng

*Technikon Pretoria

*Technikon Witwatersrand

*Tioxide SA

*Tioxide UK

Tongaat Hulletts

Tongaat Hulletts Darnall

Tongaat Felixton

*Tongaat Amatikulu

Transvaal Sugar

*Tubatse Ferrochrome

*UE Steel (UK)

*Ultra High Pressure

*UK Paper (UK)

*Unifoods - Durban Factory

Unisel Gold Mine

Vametco

Watson Edwards Inc.

*Western Deep Levels GM

Wika Instruments

Worcester Audco

*Yeastpro

Yorkshire Water Authority