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You are here: NPIC Home Page Pesticide Ingredients Pesticide Products Pesticide Manufacturers, Formulators, Producers, and Registrants
Pesticide manufacturers, formulators, producers, and registrants can provide you with valuable information about their pesticide products. You should contact the pesticide company if you need information regarding the following:
The companies listed below are presented because questions about their pesticide products are frequently presented to NPIC Pesticide Specialists. This listing is provided for informational purposes only and does not imply endorsement of these companies or their products by NPIC.
Return to topNote: If you don't see a particular pesticide company on the list below, you may be able to locate information about that company using the NPIRS Pesticide Products Information System Databases.
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- 1 Priority Biocidal, LLC
- 3M
- A.H. Hoffman, Inc. (see Good Earth Horticulture, Inc.)
- AAHA MarketLink
- Abbott Laboratories
- ABC Compounding Co., Inc.
- Absorbine (see W.F. Young Inc.)
- Aceto Agricultural Chemicals Corporation
- ADM Alliance Nutrition, Inc.
- Afton Chemical
- AgrEvo (see Bayer CropScience)
- Agri-Solutions, Inc.
- Agriliance (see Agri-Solutions, Inc.) (see CHS Global)
- Agrisel USA, Inc.
- Agrium U.S., Inc.
- Agway, Inc. (see Southern States Cooperative, Inc.)
- Airgas, Inc.
- Akcros Chemicals America
- Albaugh, Inc.
- Albemarle Corporation
- AlEn USA
- Alliance Trading Inc. (see POOLCORP)
- Alligare, LLC
- Alljack (see United Industries Corporation)
- Ambrands
- AMDRO (see Ambrands)
- Ameribrom, Inc. (see ICL-IP America)
- American Brand (see Voluntary Purchasing Group)
- American Cleaning Solutions
- American Cyanamid (see BASF)
- Amrep, Inc.
- AmTide LLC
- AMVAC Chemical Corporation
- Anderson Chemical Company
- Andersons Inc., The
- Angus Chemical Company
- Animal Health International
- Apollo Industries, Inc. (see Apollo Technologies, Inc.)
- Apollo Technologies, Inc.
- Applied Biochemists
- Aquacide Company
- Aquarium Pharmaceuticals, Inc.
- ArborSystems, Inc.
- Arch Chemicals, Inc.
- Arch Wood Protection, Inc. (see Arch Chemicals, Inc.)
- ARI
- Arkema, Inc.
- Arkion Life Sciences, LLC
- Armchem, Inc.
- Arysta LifeScience Corporation
- Athea Laboratories, Inc.
- Athena Products Corporation (see Kittrich Corporation)
- Atlantic Mills (see ITW Professional Brands)
- Atlas Chemical Corp.
- Atofina Chemicals, Inc. (see Arkema, Inc.)
- Auto-Chlor System
- Aventis (see Bayer CropScience)
- Avitrol Corporation
- Avon Products
- Baker Hughes, Inc.
- Baker Petrolite Corporation (see Baker Hughes, Inc.)
- Baleco Internationa,l Inc.
- BASF
- Bay Tech Chemical Company
- Bayer Animal Health
- Bayer CropScience
- Bayer Environmental Science
- Beachcomber Hot Tubs
- Becker Microbial Products
- Becker Underwood, Inc.
- Bedoukian Research, Inc.
- Bell Laboratories, Inc.
- Ben Venue Laboratories, Inc.
- Bengal Chemica,l Inc.
- BetaTec Hop Products
- Bio-Cide International, Inc.
- Bio-Dex Laboratories, Inc.
- Bioganic Safety Brands (see EcoSMART Technologies)
- BioLogic Company, Inc.
- Biological Solutions, LLC
- BioMed Protect, LLC
- BioSafe Systems, LLC
- Bioverse, Inc.
- Bird Shield Repellent Corporation (see Bird-X, Inc.)
- Bird-X, Inc.
- Black Flag (see United Industries Corporation)
- Black Leaf (see Value Gardens Supply)
- Boehringer Ingelheim Vetmedica, Inc.
- BOLD Formulators, LLC
- Bonide Products, Inc.
- Borax
- Brandt Consolidated, Inc.
- Brenco Corporation, The
- Brooker Chemical Corporation
- Buckman Laboratories, Inc.
- Bug Stop, Inc., The
- BUGG Products, LLC
- Bullen Companies, The
- Burgess (see Fountain Head Group, The)
- Burlington Biomedical & Scientific Corporation (see Grant Laboratories)
- C.D. Ford and Sons, Inc.
- C.J. Martin (see Control Solutions, Inc.)
- Camie-Campbell, Inc.
- Canberra Corporation
- Cape Fear Chemicals, Inc.
- Caravan Ingredients (see Corbion)
- Caravan Technologies
- Cardinal Laboratories, Inc.
- Cardinal Professional Products
- Carroll Company
- Celex (see United Industries Corporation)
- Central Garden & Pet
- Central Life Sciences
- Central Solutions, Inc.
- Cerexagri, Inc. (see United Phosphorus, Inc.)
- Certis USA, LLC
- Cetylite Industries, Inc.
- CEVA Animal Health, LLC
- Chase Products Corporation
- Chattem, Inc.
- Cheltec, Inc.
- Chem Lab Products, Inc. (see KIK Pool Additives, Inc. (Kem-Tek))
- Chem One, Ltd.
- Chem-Tech, Ltd. (see Neogen Corporation)
- Chemical Specialties, Inc.
- Cheminova, Inc. USA
- Chemisco (see United Industries Corporation)
- ChemTica Internacional, S. A.
- Chemtura Corporation
- CHS Global, Inc.
- Claire Manufacturing
- Clariant Corporation
- Clarke
- CleanWell Company
- Cleary Chemical Corporation (see Nufarm Americas, Inc.)
- Clorox
- Cognis Corporation (see BASF)
- Coleman Company, Inc.
- Combat (see Henkel of America, Inc.)
- Consep (see Suterra, LLC)
- Contec, Inc.
- Contech, Inc.
- Contract Packaging, Inc.
- Control Solutions, Inc.
- Coopers Animal Health, Inc. (see Merck Animal Health)
- Copper Brite, Inc.
- Coppertone (see Merck & Co., Inc.)
- Corbion
- CoreTex Products, Inc.
- Corry's Slug & Snail (see Matson, LLC)
- Coulston Products, Inc (see Sawyer Products)
- CPC Aeroscience, Inc.
- Cramer Products, Inc.
- Creative Sales, Inc.
- Crompton Corporation (see Chemtura Corporation)
- Crop Production Services, Inc.
- CTX-Cenol, Inc.
- Custom Packaging & Filling
- Cutter
- Cutting Edge Formulations, Inc.
- CVS Corporation
- Cytec Industries, Inc.
- D.W. Davies and Company
- DampRid (see W. M Barr & Company)
- Dawn Chemical Corporation
- Deer-Off (see Woodstream Corporation)
- Degesch America, Inc.
- Degil Safety Products, Inc.
- Del Pharmaceuticals, Inc. (see Insight Pharmaceuticals LLC)
- DeLaval, Inc.
- Delst, Inc.
- Dermaegis, Inc.
- Dexol Industries (see Value Gardens Supply)
- Diatect International Corp.
- DM Resources Inc. (see Mantek)
- Douglas Products
- Dow AgroSciences
- Dow Chemical Company, The
- Dr. T's Nature Products (see Professional Pest Control Products)
- Dragon Chemical / Burlington Scientific (see Bonide Products, Inc.)
- Drexel Chemical Company
- Du Pont Corporation (Information Center)
- Duke's Root Control, Inc.
- Durvet, Inc.
- DVM Resources (see Animal Health International)
- E. B. Stone & Son, Inc.
- E.M. Matson (Corry's Slug) (see Matson, LLC)
- Earl May Seed & Nursery
- Earth Biosciences, Inc. (see Novozymes Biologicals, Inc.)
- Earth City Resources (see Virbac Corporation)
- Easy Gardener Products, Inc.
- Eau Claire Co-op Oil / Chippewa Valley Energy
- Ecogen, Inc.
- EcoHealth, Inc.
- Ecolab
- Ecological Laboratories, Inc.
- Ecology Works
- EcoSMART Technologies
- Ecto Development Corporation
- Elanco Animal Health
- Elf Atochem (see Arkema, Inc.)
- Enforcer (see Zep, Inc.)
- Enoz (see Willert Home Products)
- Ensystex, Inc.
- Entech Systems Corporation
- Envincio
- EnviroMan, Inc. (see Sungro Products, LLC)
- EnvirOx
- Espoma Company, The
- Exacto, Inc.
- Excel Marketing (see Central Garden & Pet)
- Exit Holdings, LLC
- Fabrica de Sulfato el Aguila, S.A. de C.V. (see Landis International Inc.)
- Farnam Companies, Inc.
- Fertilome (see Voluntary Purchasing Group)
- Fiberlock Technologies, Inc.
- Fly Guard Systems, Inc.
- FMC Corporation
- Fort Dodge Animal Health (see Zoetis)
- Fountain Head Group, The
- Four Paws Products Ltd.
- Frank Miller & Sons, Inc.
- Freeport-McMoRan Sierrita, Inc.
- Fuller Brush Company, The
- Fuzion Technologies, LLC
- Garden Safe Brand
- Gardens Alive!, Inc.
- GardenTech (aka TechPac)
- Garlic Research Labs, Inc
- GEARCOR, Inc.
- Gelco Supply, Inc. (see RootX Root Control Corporation)
- Gem City Chemicals
- General Chemical Company (see RootX Root Control Corporation)
- General Hydroponics
- GeoGlobal Partners, LLC
- Georgia-Pacific Wood Products, LLC
- Gil Manufacturing, Inc.
- Good Earth Horticulture, Inc.
- Gordon Chemical Company (see PBI/Gordon Corporation)
- Gowan Company
- Grant Laboratories
- Great Lakes Chemical Corporation (see Chemtura Corporation)
- Green Light Products (see Scotts Company LLC, The)
- Greenbug All Natural Pest Control Products
- GreenCure Solutions
- Greenstar Ag Chemical, Inc.
- Griffin, LLC (see Du Pont Corporation (Information Center))
- Gro Tec, Inc. (see Pennington Seed)
- Gro-Green Products, Inc.
- Gustafason (see Bayer CropScience)
- H & I Agritech, Inc.
- H. B. Fuller Construction Products, Inc.
- H. Wilson Manufacturing Co., Inc.
- H.R. McLane
- Hacco, Inc.
- Happy Jack, Inc.
- Harrell's, LLC
- Hartz Mountain Corporation, The
- Havahart (see Woodstream Corporation)
- HBC Chemical (see Howard Berger Company, LLC)
- Heartland Labs
- Helena Chemical Company
- Henkel of America, Inc.
- Henry Schein, Inc.
- Hercon Environmental
- Hi-Yield (see Voluntary Purchasing Group)
- Hickson Corporation (see Arch Chemicals, Inc.)
- Hill Manufacturing Company, Inc.
- Hoescht-Roussel (see Bayer CropScience)
- Homax Products, Inc.
- HOMS, LLC
- Honeywell, Inc.
- Howard Berger Company, LLC
- Howard Fertilizer & Chemical Company
- Howard Johnson's Enterprises
- HPI Products, Inc.
- HTH Pools
- Hub States, LLC
- Hubbard-Hall
- Humco Holding Group, inc.
- Hydrite Chemical Company
- I. Schneid (see ABC Compounding Co., Inc.)
- IBC Manufacturing Company (see ISK Biocides, Inc.)
- ICL-IP America
- Igene Biotechnology, Inc.
- Iguana, LLC
- Illinois Tool Works, Inc.
- Image Products (see Ambrands)
- IMC Vigoro (see Mosaic Company)
- Imperial Supplies, LLC
- IMS Trading, LLC
- Infinity Lawn and Garden (see Schultz Company)
- Infruta S.A. Proteku (see Technology Sciences Group, Inc.)
- Innovative Chemical Corporation
- Innovative Textile Solutions
- Insect Shield International, LLC
- Insight Pharmaceuticals, LLC
- Insumos Fruticolas S.A. Infruta (see Technology Sciences Group, Inc.)
- Intagra, Inc. (see Woodstream Corporation)
- Intervet Schering-Plough (Animal Health Division) (see Merck Animal Health)
- Innvictis Crop Care, LLC
- IQ Products Company
- Ironite Products (see Central Garden & Pet)
- ISK Biocides, Inc.
- ITW Dymon (see ITW Professional Brands)
- ITW Professional Brands
- J & L Adikes, Inc.
- J. R. Simplot Company
- J. R. Watkins, Inc.
- J. T. Eaton & Co., Inc.
- Janssen Pharmaceuticals, Inc.
- Jasco Chemical (see Homax Products)
- JH Biotech, Inc.
- JMS Flower Farms, Inc.
- John Deere Landscapes Enterprise Services
- Jonathan Green, Inc.
- Jungle Laboratories Corporation
- K-G Packaging, Inc.
- Kay Dee Feed Company
- KAZ, Inc.
- Kellogg Fungicides (see H & I Agritech, Inc.)
- KGro (see United Industries Corporation)
- KIK Pool Additives, Inc. (Kem-Tek)
- Kimberly-Clark Corporation
- King Technology, Inc.
- Kittrich Corporation
- Kleenex (see Kimberly-Clark)
- KMG Chemicals
- Knox Fertilizer Company, Inc.
- Landis International Inc.
- Lanxess Corporation
- Lawn and Garden Products, Inc.
- Lebanon Seaboard Corporation
- Lesco, Inc. (see John Deere Landscapes Enterprise Services)
- Leslie's Poolmart, Inc.
- Leslie's Swimming Pool Supplies (see Leslie's Poolmart, Inc.)
- Liberty Crop Protection, LLC (see Innvictis Crop Care, LLC)
- Lilly Miller
- Liphatech, Inc.
- Liquid Fence Company
- Lonza, Inc.
- Louisiana Chemical Association
- Loveland Products, Inc.
- LPM Manufacturing, Inc. (see Leslie's Poolmart, Inc.)
- Lynwood Laboratories, Inc.
- M & R Durango, Inc.
- M & S Research, Inc.
- Mace Security International, Inc.
- Maid Brands, Inc.
- Makhteshim Agan of North America, Inc.
- Mann Lake Ltd.
- Manna Pro Products, LLC
- Mantek
- Maril Products, Inc.
- Marion Ag Services
- Marman USA (see Nufarm Americas, Inc.)
- Mason Chemical Company (see Pilot Chemical Company)
- Matson, LLC
- Mauget, Inc.
- Maxforce Products (see Bayer Cropscience)
- McGrayel Company, Inc.
- McLaughlin Gormley King Company
- Medical Chemical Corporation
- Meijer, Inc.
- Merck & Co., Inc.
- Merck Animal Health
- Merial
- Merritt Veterinary Supplies, Inc. (Alabama)
- Merritt Veterinary Supplies, Inc. (Florida)
- Merritt Veterinary Supplies, Inc. (South Carolina)
- MEYCorp USA
- Micro Flo Products (see Arysta LifeScience Corporation)
- Microban International, Ltd.
- Microgen (see BASF)
- Micropel, LLC (see Troy Corporation)
- Midland, Inc.
- Midwest Veterinary Supply, Inc.
- Milfred Products
- Miller Chemical & Fertilizer Corporation
- Momar, Inc.
- Monsanto Company
- Monterey Ag Resources
- Monterey Chemical Company (see Monterey Ag Resources)
- Morgro, Inc.
- Mosaic Company, The
- Motomco
- Multi-Pack, LLC (Atlanta)
- Multi-Pack, LLC (Chicago)
- Multi-Pack, LLC (Milwaukee)
- Multinational Resources, Inc.
- MWI Veterinary Supply, Inc.
- Mycogen (see Dow AgroSciences)
- Mystic Chemical & Susan Products
- National Chelating Corporation
- Natural Chemistry, Inc.
- Natural Guard (see Voluntary Purchasing Group)
- Natural Results Corporation (see Diatect International)
- NCH Corporation
- Neogen Corporation
- Neudorff, USA
- Neutron Industries
- Nip It in the Bud, Inc.
- Nisus Corporation
- Nitro-Phos Fertilizer, Inc.
- Noble Pine Products Company
- NOD Apiary Products, Inc.
- Nor-Am Chem (see Bayer CropScience)
- Nott Products Co., Inc.
- Novartis Animal Health US, Inc. (see Elanco Animal Health)
- Novozymes Biologicals, Inc.
- Nu-Calgon
- Nufarm Americas, Inc.
- Occidental Chemical Corporation
- OHSO Clean, Inc. (see CleanWell Company)
- OR-CAL, Inc.
- Orange Guard, Inc.
- Organic Laboratories, Inc.
- Ortho (Consumer Service)
- Oxford & Hill Home Products
- Pace International, LLC
- Paragon Professional Pest Control Products
- Parry America, Inc.
- PBI/Gordon Corporation
- PCI Animal Health (see MWI Veterinary Supply, Inc.)
- Pennington Seed
- Permatex
- Perrigo Company
- Pest Control Supply Company
- Pet Logic, LLC (see Sergeant's Pet Care Products, Inc.)
- PetArmor FidoPharm, Inc.
- PF. Harris Manufacturing Co., LLC
- Pfizer Animal Health (see Zoetis)
- Phaeton Corporation (see Pennington Seed)
- Pharm Solutions Inc
- Phoenix Products Company, Inc.
- PIC Corporation
- Pilot Chemical Company
- Pioneer Chemical Company
- Plant Biotech, Inc.
- Plant Care Science
- Plus Natural Solutions Worldwide, Inc.
- PM Resources, Inc.
- Pond Boss GeoGlobal Partners, LLC
- POOLCORP
- PPG Industries
- Praxair, Inc.
- Prentiss, Inc. (see Envincio)
- Preserve International
- Prime Source, LLC
- Prince Agri Products, Inc.
- Pro Chem, Inc.
- Pro Products, LLC
- Pro-Guard, Inc. (see E. B. Stone & Son, Inc.)
- Pro-Tech Livestock Corporation
- Pro-Tex-All
- Professional Pest Control Products
- Professional Supply, Inc.
- PROKoZ, Inc.
- Promotia International, Inc.
- ProRestore Products
- Purac America (see Corbion)
- PureShield, Inc
- PureWorks, LLC
- Pyranha, Inc.
- Pytech Chemicals GMBH (see Dow AgroSciences)
- Quali-Pro
- Quality Borate Company, LLC
- Quantum, Inc.
- QuestVapco Corporation
- Ragan & Massey, Inc.
- Ram Chemical & Supply, Inc. (see Leslie's Poolmart, Inc.)
- RCO International, Inc.
- Realex Corporation (see United Industries Corporation)
- Reckitt Benckiser, Inc.
- Recreational Equipment, Inc. (REI)
- Reefer-Galler (see Willert Home Products)
- Regal Chemical Company
- Rejoice International, Inc.
- Repar Corporation
- Repellex USA, Inc.
- Research Products, Inc.
- Residex, LLC
- Retta Manufacturing, Inc. (see Matson, LLC)
- Rhone-Poulenc (see Bayer CropScience)
- Ringer (see Woodstream Corporation)
- Ritter Chemical, LLC
- Riverdale Chemical (see Nufarm Americas, Inc.)
- Robeco, Inc.
- Rockwell Labs, Ltd.
- Rod Products Co., Inc. (see Sungro Products, LLC)
- Roebic Laboratories, Inc.
- Rohm & Haas Company (see Dow Chemical Company)
- Rooto Corporation
- RootX Root Control Corporation
- Rosemania
- Rotam North America, Inc.
- Roxide International, Inc.
- Rust-oleum Corporation
- S.C. Johnson
- Safe-Tee Chemical Company
- Safeguard Chemical Corporation
- Safer (see Woodstream Corporation)
- Sanco Industries, Inc.
- Sandoz (see BASF)
- Sawyer Products
- Schering-Plough (Health Care Products) (see Merck & Co., Inc.)
- Schultz Company
- Schuyler, LLC
- Scimetrics Ltd. Corporation
- Scotts Company LLC, The
- Security Equipment Corporation
- Select Source, LLC
- Senoret Chemical Company, Inc.
- Sensible Life Products
- SePRO Corporation
- Sergeant's Pet Care Products, Inc.
- Setre Chemical Co. (see Helena Chemical Company)
- Sewer Sciences, Inc. (see Duke's Root Control, Inc.)
- Shaklee Corporation
- Sharda USA, LLC (see Agrisel USA, Inc.)
- Shell Chemicals LP
- Sherwin-Williams Company, The
- Shipp Cleaning Systems
- Shoofly (see Lynwood Laboratories)
- Siamons International
- Sigma Chemical Corporation
- Silver Creek Products, Ltd.
- Sipcam Agro USA, Inc.
- Smartpond GeoGlobal Partners, LLC
- SmithKline Beecham (see Zoetis)
- Soil Chemical Corporation (see Cardinal Professional Products)
- Soluneem, Inc
- Sostram Corporation (see Sipcam Agro USA, Inc.)
- Southern Agricultural Insecticides, Inc.
- Southern States Cooperative, Inc.
- Spartan Chemical Company, Inc.
- Specialty Construction Brands, Inc. (see H. B. Fuller Construction Products, Inc.)
- SPECKoZ, Inc.
- Spectrum Brands (aka Spectrum Group)
- Speer Products, Inc. (see Apollo Technologies, Inc.)
- Sporicidin International (see Contec, Inc.)
- Sprayway, Inc.
- St. Gabriel Organics (aka St. Gabriel Laboratories)
- State Industrial Products
- Stepan Company USA
- Stephan Company, The
- Sterling International, Inc.
- Stinger (see KAZ, Inc.)
- Stoker Company (see Gowan Company)
- Stoller USA
- Straight Arrow Products, Inc.
- Sumitomo Chemical America, Inc.
- Summit Chemical Company
- Summit VetPharm (see CEVA Animal Health, LLC)
- Sunburst Chemicals, Inc
- Sungro Products, LLC
- Sunniland Corporation
- Sunoco, Inc.
- Sureco (see Value Gardens Supply)
- Suterra, LLC
- SynergyLabs
- Syngenta Corporation
- T & L Pest Control, Inc.
- Taensa, Inc. (see Earth Biosciences Inc.)
- Tanglefoot Company (see Contech, Inc.)
- Tec Laboratories, Inc.
- Technology Sciences Group, Inc.
- Technology Sciences Group, Inc.
- TechPac, LLC
- Tender Corporation
- Tenkoz, Inc.
- Terramera, Inc.
- Tetra (see United Pet Group, Inc.)
- Thatcher Company
- The Pond Guy
- Theochem Laboratories
- Thermo Trilogy (see Certis USA, LLC)
- Topaz Turf Corporation
- Total Solutions (see Athea Laboratories, Inc.)
- TotalPond GeoGlobal Partners, LLC
- Transbas, Inc.
- Triad Chemical Company
- Trical, Inc.
- Troy Biosciences, Inc.
- Troy Corporation
- Tru Prodigy (see TruRx, LLC (Vet IQ))
- True Value Company
- TruRx, LLC (Vet IQ)
- TruServ Corporation (see True Value Company)
- Tyratech, Inc.
- U.S. Borax (see Borax)
- Udap Industries, Inc.
- Uni-Chem of Florida
- Unicorn Labs (see Pennington Seed)
- Uniroyal Chemical (see Chemtura Corporation)
- United Agri Products (see Crop Production Services, Inc.)
- United Chemical Corporation
- United Industries Corporation
- United Pet Group, Inc.
- United Phosphorus, Inc.
- United Turf Alliance, LLC
- Univar USA, Inc.
- Universal Cooperatives, Inc.
- UrthTech, LLC
- Valent BioSciences Corporation
- Valent USA Corporation (Ag Products)
- Value Gardens Supply
- Van Diest Supply Company
- Van Waters and Rogers (see Univar USA, Inc.)
- Velsicol Chemical, LLC
- Verdant Brands, Inc. (see Woodstream Corporation for "Safer" and "Ringer" only) (see Value Gardens Supply for others)
- Vertellus Performance Materials, Inc.
- Vestaron Corporation
- Viance, LLC
- Virbac Corporation
- Vivimed Labs USA, Inc.
- Voluntary Purchasing Group
- W. M. Barr & Company
- W.F. Young Inc.
- W.R. Grace & Company
- W.W. Grainger, Inc.
- Walco-Linck (see United Industries Corporation)
- Walgreen Company
- Warehouse Pool Supply (see Leslie's Poolmart, Inc.)
- Water Environmental Technologies Inc. (see General Hydroponics)
- Water Utility Chemicals, Inc.
- Waterbury Companies, Inc.
- Weco Products, Inc.
- Wellmark International (see Central Life Sciences)
- Whitmire Microgen (see BASF)
- Wilbro, Inc. (see Harrell's, LLC)
- Wilbur-Ellis Company
- Wilco Distributors, Inc.
- Willert Home Products
- Willowood USA
- WinField Solutions
- Winston Company, Inc. (see The Pond Guy)
- Wisconsin Pharmacal Company
- Witco Chemical Corporation (see Chemtura Corporation)
- Woodstream Corporation
- WPC Brands (see United Industries Corporation)
- WR Sweeney (see Senoret Chemical Company, Inc.)
- XT-2000
- Y-Tex Corporation
- Zamzows
- Zeneca (see Syngenta Corporation)
- Zep Commercial, Inc. (see Zep, Inc.)
- Zep, Inc.
- Zinsser Company, Inc. (see Rust-oleum Corporation)
- Zodiac Pet Products (see Central Life Sciences)
- Zodiac Pool Systems, Inc.
- Zoecon Professional Products (see Central Life Sciences)
- Zoetis