AB Mauri Foods, Inc.
  Actagro
 AgriChem Marine Transportation LLC
 ALIAXIS Ameropa AG
 Ameropa AG
 Andritz Separation, Inc.
 Ardaman & Associates Inc.
 Arianne Phosphate Inc.
 ArrMaz
 Ashland
 Associated British Foods plc
 Avenira Limited
 Azomures
 BBA
 BCInsight Ltd
 BEDESCHI America, INC
 Begg Cousland Envirotec Limited
 Blair Rubber Company
 Bradley Pulverizer Company
 BRF Ingredients
 Buss ChemTech AG
 Cahya Mata Sarawak Management Services Sdn Bhd
 Casale S.A.
 Caveblux
 CG Thermal Llc
 CIFC P Ltd, New Delhi (Rahimtula Group of Companies)
 Clear Springs Land Co
 Comessa
 COREM
 CPPE Carbon Process & Plant Engineering S.A.
 Desmet Ballestra
 Développement Économique Sept-Îles
 Dr. Phosphate
 EcoPhos
 EEM
 Enduro Composites
 Eurochem
 FEECO International Inc.
 FERTIAL
 Flowrox
 FLSmidth (DK)
 Fluor
 Foskor
 GAMBAROTTA GSCHWENDT SRL
 GEA Group
 Geological Survey of Estonia
 Gerber Pumps International, Inc.
 Golder Associates
 Hatch
 HAUK & SASKO GmbH
 HAZEMAG USA
 ICL Performance Products Americas
 Indagro
 Industries Chimiques du Senegal
 Innophos Inc.
 Itafos
 IWF Group
 J.R. Simplot Company
 Jacobs
 Jacobs & Chemetics Inc.
 Jacobs Engineering Group Inc.
 Jenike & Johanson, Inc.
 JR Simplot
 KBR Ecoplanning Oy
 KBR Technology
 Keleti Agrár kft
 KEMWorks
 Kimre, Inc.
 K-Technologies Inc.
 Lechler GmbH

LKAB
Loesche America Inc
Lomon Group
Luossavaara-Kiirunavaara AB, LKAB
Ma'aden Phosphate Company
McLanahan Corporation
MDG Handling Solutions S.r.l.
Mediterranean Fertilizers Industry (MSIFCCO)
Menardi LLC
MERSEN
Mine Arnaud
MinTech
Misr Phosphate Co. (S.A.E)
Moody's Investors Service
Mosaic Fertilizer Llc
Mosman Bulk Solid Heat Exchanging
Motridal Spa
Nachurs Alpine Solutions
NAQ Global Companies
NORAM Engineering & Constructors Ltd
Norseman Structures
North Dakota State University
Nouryon
Nutrien
OCP Group
Ostara Nutrient Recovery Technologies
Outotec (Canada) Ltd
Outotec GmbH & Co. KG
PegasusTSI, Inc.
Philadelphia Mixing Solutions, Ltd
Phosagro Asia Pte Ltd
Piller TSC Blower Corporation
POITTEMILL
Polycorp Ltd
Prayon S.A.
Purolite Corporation
PyroPhos
Raymond Bartlett Snow- Schenck Process Group
Reliance Mining
ResinTech Inc.
RHEWUM GmbH
SABIC
Samalaju Industries Sdn Bhd
Sandvik Group
Scantech International
Schenck Process
Secanim Ltd
Sefar
Shannon Chemical Corporation
Simplot
SNC-Lavalin
SOFRECO
SRK Consulting Ltd
Stedman Machine Company
STEULER‐KCH GmbH
STM srl
Sulzer Pumps Solutions Inc.
thyssenkrupp Industrial Solutions AG
TIMAB Industries (Phosphea)
TOMRA Sorting, Inc.
Toros Agri Industry and Trade Co. Inc.
Toros Tarim San. Ve. Tic. A.S.
University of Augsburg
Valmet Inc.
Weir Minerals Lewis Pumps
Wengfu Intertrade Limited
WorleyParsons
Yara International ASA
Yoorin fertilizantes
Zimbabwe Phosphate Industries Limited