| Pct | 141 | 1 |
| Pro Crop | 78 | 1 |
| Pascoe's | 76 | 1 |
| Probelte | 72 | 5 |
| Premier Tech | 70 | 1 |
| Philagro | 68 | 1 |
| Plz | 63 | 2 |
| Prochem Bio | 62 | 1 |
| Pioneer Hi-Bred International | 58 | 1 |
| Perterra Insumos Agropecuarios | 57 | 1 |
| Pestila Sp. O.O. Ul. Studzianki | 41 | 1 |
| Pacific Biocontrol | 38 | 2 |
| Productos Citrosol | 38 | 3 |
| Protegran | 38 | 1 |
| Prodinsa Argentina | 37 | 1 |
| Pah Australia | 36 | 1 |
| Pan Agriculture | 36 | 2 |
| Proeuro Sp. O.O. Zbyszka Godlewskiego | 35 | 1 |
| Pooma Fertilizers | 27 | 1 |
| Phibro Animal Health | 26 | 1 |
| Prentiss Quimica | 26 | 1 |
| Pilarquim Comercial | 25 | 1 |
| Pyragro | 25 | 5 |
| Proventis Lifescience Defensivos Agricolas | 24 | 1 |
| Palaversich Cia | 23 | 1 |
| Pelgar International (Aus) | 22 | 1 |
| Punch Quimica | 22 | 1 |
| Parijat Industries (India) | 20 | 2 |
| Pilarquim Argentina | 20 | 1 |
| Proagri Sp. O.O. Ul. Dziekonskiego | 19 | 1 |
| Pasquale Mormino Figlio | 18 | 1 |
| Proquimur | 18 | 1 |
| Pool Ranger | 17 | 1 |
| Productos A.J.F. | 17 | 2 |
| Pharmachem Australia | 16 | 1 |
| Podlesch Sociedad Anonima | 16 | 1 |
| Premier Tech Gha | 14 | 1 |
| Promip Manejo Integrado Pragas | 14 | 1 |
| Phaeton | 12 | 1 |
| Pic | 12 | 1 |
| Pinegro Products Proprietary | 12 | 1 |
| Polymer Additives | 12 | 1 |
| Poolplus Aquatics | 12 | 1 |
| Pace Solutions | 11 | 1 |
| Pacific Agriscience | 11 | 1 |
| Parnell Technologies | 11 | 1 |
| Preschem | 11 | 1 |
| Private Lab Sp. Ul. Karola Darwina | 11 | 1 |
| Pbi/Gordon | 10 | 2 |
| Phyteurop | 10 | 3 |
| Potencial Quimica | 10 | 1 |
| Probodelt | 10 | 3 |
| Proregistros Registros Produtos Ltda Epp | 10 | 1 |
| Pharm Smart Australia | 9 | 1 |
| Pinnacle Aquatic Group | 9 | 1 |
| Productos Labin | 9 | 1 |
| Progressive Planet Products | 9 | 1 |
| Prophyto Comercio Servicos | 9 | 1 |
| Proterra | 9 | 1 |
| Pyranha | 9 | 2 |
| Phyllom Bioproducts | 8 | 2 |
| Ppg Canada | 8 | 1 |
| Premier Tech Brighton | 8 | 1 |
| Premier Tech Growers And Consumers | 8 | 1 |
| Proagri International Sp. O.O. Ul. Dziekonskiego | 8 | 1 |
| Profeng Australia | 8 | 1 |
| Primmed | 7 | 1 |
| Pelgar International | 6 | 3 |
| Philvert | 6 | 1 |
| Pluschemie | 6 | 1 |
| Pokon Evergreen | 6 | 1 |
| Post Cosecha | 6 | 1 |
| Psi (Uk) | 6 | 1 |
| Pan Amenity | 5 | 1 |
| Pestila Sp. O.O. Pestila Spolka Ograniczona | 5 | 1 |
| Pont (Uk) | 5 | 1 |
| Poolsport | 5 | 1 |
| Pro Farm Group | 5 | 1 |
| Probus Pharmaceuticals | 5 | 1 |
| Productos Agroquimicos Para Sanidad Vegetal Agropamena | 5 | 2 |
| Pace International | 4 | 1 |
| Paks National | 4 | 1 |
| Parkland Aero-Fillers | 4 | 1 |
| Paw Pet Supplement International | 4 | 1 |
| Perma-Guard | 4 | 1 |
| Plato Brasil | 4 | 1 |
| Pro Agro | 4 | 1 |
| Profum | 4 | 1 |
| Proplan Plant Protection Company | 4 | 1 |
| Protergium Agrociencias | 4 | 1 |
| Provivi | 4 | 1 |
| Pullulo Pharm | 4 | 1 |
| Pure Amenity | 4 | 1 |
| Pangaea Agrochemicals | 3 | 1 |
| Parafarm | 3 | 1 |
| Pelemix | 3 | 1 |
| Pentair Water Pool And | 3 | 1 |
| Perma-Guard Australia | 3 | 1 |
| Pestech Australia | 3 | 1 |
| Petrolera Argentina Lubridim Com Ind | 3 | 1 |
| Petronas Lubricants Italy | 3 | 1 |
| Phoenix Pharm Distributors | 3 | 1 |
| Pi Agsciences Brasil | 3 | 1 |
| Pioneer Distribution | 3 | 1 |
| Planete Verte Astranova Tomate Sous Serre | 3 | 1 |
| Planete Verte Shandong Weifang Rainbow Chemical Co.Ltd Tomate Sous Serre | 3 | 1 |
| Plant Products | 3 | 1 |
| Plantfer Ike | 3 | 3 |
| Plasvacc | 3 | 1 |
| Polisenio | 3 | 1 |
| Polska Firma Agro Consultingowa Michał Rybacki Ul. Oska 6 | 3 | 1 |
| Pool And Spa Chemical Company | 3 | 1 |
| Pridel Securities | 3 | 1 |
| Proventa Products | 3 | 1 |
| Przedsiebiorstwo Produkcyjno-Handlowe Adw Sp. O.O. Ul. Zbozowa 2 | 3 | 1 |
| Plant Chem | 2 | 1 |
| Poulin's Pest Control | 2 | 1 |
| Profarm | 2 | 1 |
| P.K. Plant Kemical | 0 | 0 |
| Pa-7 Lab. | 0 | 0 |
| Pa.Mag | 0 | 0 |
| Pac.J | 0 | 0 |
| Pac-Tec | 0 | 0 |
| Pacific Gardens Galore | 0 | 0 |
| Pacific Pool | 0 | 0 |
| Paneurop | 0 | 0 |
| Panita Enterprises | 0 | 0 |
| Paragon Professional Pest Control Products | 0 | 0 |
| Parall | 0 | 0 |
| Paramount Chemical | 0 | 0 |
| Parcour | 0 | 0 |
| Parfor | 0 | 0 |
| Parisienne Produits Chimiques | 0 | 0 |
| Pavoni | 0 | 0 |
| Peintures Sico | 0 | 0 |
| Pelton | 0 | 0 |
| Pennsylvania Engineering | 0 | 0 |
| Pennwalt France | 0 | 0 |
| Pepro Dep.Rhone Poulenc Agrochimie | 0 | 0 |
| Perdoux | 0 | 0 |
| Perycut Chemie | 0 | 0 |
| Pest Control Chemical Company | 0 | 0 |
| Pest Control Products Conn | 0 | 0 |
| Pestroy Chemical | 0 | 0 |
| Pet Chemicals | 0 | 0 |
| Pet Valu | 0 | 0 |
| Petco Animal Supplies | 0 | 0 |
| Petrolite | 0 | 0 |
| Pettec Laboratories | 0 | 0 |
| Pfc Snc | 0 | 0 |
| Pfeiffer Pharmaceuticals | 0 | 0 |
| Pfizer | 0 | 0 |
| Pfizer Canada | 0 | 0 |
| Pharmacia Animal Health | 0 | 0 |
| Phem | 0 | 0 |
| Philagro France | 0 | 0 |
| Phm International | 0 | 0 |
| Phoenix Agritech (Canada) | 0 | 0 |
| Phyto France | 0 | 0 |
| Phyto Labo | 0 | 0 |
| Phyto Research | 0 | 0 |
| Phyto Service | 0 | 0 |
| Phytorus | 0 | 0 |
| Phytosan | 0 | 0 |
| Pioneer Family Pools Home Centre | 0 | 0 |
| Pioneer Grain | 0 | 0 |
| Pioneer Hi-Bred Italia | 0 | 0 |
| Pioneer Manufacturing Company | 0 | 0 |
| Piscine Val-Mar | 0 | 0 |
| Piscines Carignan | 0 | 0 |
| Piscines Tropicana Enrg. | 0 | 0 |
| Piscines Unies | 0 | 0 |
| Planchard | 0 | 0 |
| Plant Marvel Labs | 0 | 0 |
| Plato Industries | 0 | 0 |
| Plaze Georgia | 0 | 0 |
| Pleasure Way Pools | 0 | 0 |
| Plus (9021-7993 Quebec Inc) | 0 | 0 |
| Pm Chemicals | 0 | 0 |
| Pm Resources | 0 | 0 |
| Pmc Water Systems Services | 0 | 0 |
| Pokon Chrysal | 0 | 0 |
| Poly Chem | 0 | 0 |
| Pont Nemours Italiana | 0 | 0 |
| Pool Chemical Industries | 0 | 0 |
| Pool Craft | 0 | 0 |
| Pool Fun Products | 0 | 0 |
| Pool Owner's Distributing | 0 | 0 |
| Pool Place (The) | 0 | 0 |
| Pool Shoppe 1262263 Ontario | 0 | 0 |
| Pool Time Products | 0 | 0 |
| Poolmaster | 0 | 0 |
| Ppg Architectural Coatings Canada | 0 | 0 |
| Ppg Industries | 0 | 0 |
| Prato Longhi Longhi | 0 | 0 |
| Precision Chemical Mfg. | 0 | 0 |
| Pred-It Industries | 0 | 0 |
| Premier Horticulture | 0 | 0 |
| Prentiss | 0 | 0 |
| Price Research | 0 | 0 |
| Pristine Pools | 0 | 0 |
| Pro.Phy.M | 0 | 0 |
| Pro-Tex-All | 0 | 0 |
| Prochimag Italia | 0 | 0 |
| Prochimag Mandrioli Giuseppe | 0 | 0 |
| Procida /Roussel Uclaf Div Agrovet Homolog | 0 | 0 |
| Procter Gamble | 0 | 0 |
| Production Agriscience Canada Company | 0 | 0 |
| Production Grainiere | 0 | 0 |
| Produits Cadillac | 0 | 0 |
| Produits Capital | 0 | 0 |
| Produits Chimiques Languedoc | 0 | 0 |
| Produits Chimiques Magnat | 0 | 0 |
| Produits Chimiques Melrose | 0 | 0 |
| Produits Chimiques Pontivy | 0 | 0 |
| Produits Chimiques Sany | 0 | 0 |
| Produits Marquette | 0 | 0 |
| Produits Sanitaire Unique | 0 | 0 |
| Produits Sanitaires Norfil | 0 | 0 |
| Produits Sanitaires Sanbec | 0 | 0 |
| Produits Sanitaires Sani-Clau | 0 | 0 |
| Profertyl | 0 | 0 |
| Professional Pet Products | 0 | 0 |
| Professional Supply | 0 | 0 |
| Progallus | 0 | 0 |
| Proline Chemical Packaging | 0 | 0 |
| Promophyt | 0 | 0 |
| Proquimicos | 0 | 0 |
| Protec.Chimie | 0 | 0 |
| Protecta | 0 | 0 |
| Protection Technique | 0 | 0 |
| Protexall Products | 0 | 0 |
| Proval | 0 | 0 |
| Proveto-Seralp | 0 | 0 |
| Provision Plante | 0 | 0 |
| Pureforce | 0 | 0 |
| Puregro Company | 0 | 0 |
| Purina Animal Nutrition | 0 | 0 |
| Purodor | 0 | 0 |
| Puroguard Insecticides | 0 | 0 |
| Pyragric Industrie | 0 | 0 |
| Pyrethrum Board Kenya | 0 | 0 |