| Acme-Hardesty Co. | www.acme-hardesty.com | (800) 223-7054 | IM | 52401 |
| Adipro USA | www.adiprochemicals.com | (234) 817-7775 | IM | 82593 |
| Advanced Chemical Concepts, Inc. | www.advancedchemicalconcepts.com | (269) 207-3283 | IMP | 59709 |
| Advancion Corporation | www.advancionsciences.com | (847) 808-3436 | IMP | 56628 |
| Afton Chemical Corporation | www.aftonchemical.com | (804) 788-6081 | IMP | 49320 |
| AGAT Laboratories | www.agatlabs.com | (403) 299-2149 | IM | 45981 |
| Allegheny Petroleum Products Co. | www.oils.com | (412) 829-1990 | IMP | 76510 |
| ALS Services USA Corp. | www.alsglobal.com | (281) 599-1242 | IM | 51947 |
| Amee Castor and Derivatives Ltd | www.ameecastor.com | +91 79 4894 4090 | IM | 76613 |
| American Axle & Manufacturing | http://www.aam.com | (734) 564-8406 | OEM | 86197 |
| American Refining Group, Inc. | www.amref.com | (814) 368-8745 | IM | 61721 |
| Amsoil Inc. | www.amsoil.com | (715) 392-7101 | IM | 33123 |
| Arxada LLC | www.troycorp.com | (905) 760-7902 | IM | 33192 |
| Ashburn Chemical Technologies | www.ashburnchemical.com | (832) 399-1000 | IM | 43153 |
| Ashland, Inc. | http://www.ashland.com | (302) 995-3000 | IM | 85507 |
| Axel Royal LLC | www.royalmfg.com
www.axelch.com | (918) 584-2671 | IM | 62491 |
| Azelis L&MF US | www.azelis.com | (800) 235-0957 | IM | 52532 |
| Barentz North America, LLC | www.barentz-na.com | (877) 627-5661 | IM | 79312 |
| BASF Corporation | www.basf.com/fuel-lubricant-solutions | (973) 558-2169 | IMP | 70619 |
| BG Products, Inc. | www.bgprod.com | (316) 265-2686 | IM | 51080 |
| Biosynthetic Technologies | www.biosynthetic.com | (765) 624-1839 | IMP | 60079 |
| Bisley International, LLC | www.bisleyinternational.com | (832) 600-6495 | IM | 79121 |
| Blaser Swisslube Inc. | www.blaser.com | (845) 294-3200 | IM | 61477 |
| BP Lubricants USA, Inc. | www.castrol.com | (331) 702-3301 | IM | 42014 |
| Brenntag Lubricants | www.jamdistributing.com | (713) 844-7730 | IM | 59896 |
| Bruker Nano Surfaces & Metrology | www.bruker.com/nano | (480) 376-4040 | IM | 57176 |
| Buckman North America | www.buckman.com | (800) 937-7345 | IM | 33137 |
| Bull and Bear Co | https://bullandbearco.com | (513) 277-0330 | IM | 85385 |
| Bureau Veritas | https://commodities.bureauveritas.com/used-oil-analysis | (281) 240-3042 | IM | 39028 |
| BVA Inc. | www.bvaoils.com | (248) 676-9500 | IM | 54756 |
| BYK Additives & Instruments | www.byk.com | (800) 450-0004 | IM | 65634 |
| Calumet | calumet.com | (317) 459-8496 | IM | 60339 |
| Canada Inc. (DBA LTI Group) | http://www.groupelti.com | (819) 879-4666 | IM | 83686 |
| Carbon Minds | http://www.carbon-minds.com | +4915785530349 | IM | 84911 |
| Cargill Inc. | www.cargill.com | (952) 250-2372 | IMP | 33200 |
| Carpenter Company | http://www.carpenter.com | (804) 233-0606 | IM | 81405 |
| Caterpillar Inc. | https://www.caterpillar.com | +34952418824 | IM | 83561 |
| CCI Manufacturing Illinois Corporation | www.cci-corporation.com/en | (630) 739-0606 | IM | 80472 |
| CGF, Inc. | www.cgfinc.com | (815) 967-4400 | IM | 33154 |
| Chem Group, LLC | http://www.chem-group.com | (812) 759-8226 | IM | 81852 |
| ChemPoint | www.chempoint.com | (425) 378-8563 | IM | 64017 |
| Chevron Oronite, LLC. | www.oronite.com | (510) 242-3064 | IMP | 52831 |
| Chevron Phillips Chemical Company | www.synfluid.com | (832) 813-4134 | IM | 58625 |
| Chrysan Industries, Inc. | www.chrysanindustries.com | (734) 451-5411 | IM | 33157 |
| Clariant Corporation | www.clariant.com | (704) 822-2515 | IM | 62961 |
| Colonial Chemical, Inc. | www.colonialchem.com | (423) 837-8800 | IM | 38456 |
| Comercial Roshfrans,S.A. De C.V. | www.roshfrans.com | 55-5747-5700 | IM | 78982 |
| Daubert Chemical Company Inc. | www.daubertchemical.com | (630) 203-6800 | IM | 51337 |
| DL Chemical Co., Ltd | www.dlchemical.co.kr/en | 822-370-83452 | IM | 81356 |
| Dover Chemical Corporation | www.doverchem.com | (267) 252-1044 | IM | 33161 |
| Dow | www.dow.com | (610) 244-6894 | IM | 83705 |
| DR Lubricants Inc. | www.drlubricants.com | (260) 484-0301 | IM | 79910 |
| DuBois Chemicals, Inc. | http://www.duboischemicals.com | (513) 458-8156 | IM | 33573 |
| Ducom Instruments (USA) Inc. | www.ducom.com | (847) 737-1590 | IM | 53625 |
| DuPont MOLYKOTE® | www.molykote.com | (989) 294-5221 | IM | 33162 |
| Eastern Oil Company | www.easternoil.com | (248) 333-1333 | IM | 59418 |
| Eastman Chemical Company | www.eastman.com | (610) 366-6730 | IM | 42034 |
| Edrich Products, Inc. | www.edrichproducts.com | (586) 296-3350 | IM | 59565 |
| Emery Oleochemicals | www.emeryoleo.com | (513) 762-2500 | IM | 61516 |
| Engineered Lubricants Company | www.englube.com | (314) 872-9540 | IM | 60087 |
| Ergon, Inc. | www.ergonnsa.com | (601) 594-3485 | IMP | 64326 |
| Etna Products, Inc. | www.etna.com | (440) 543-9845 | IM | 52531 |
| Everlube Products - A Business Unit of Curtiss-Wright Corp. | www.everlubeproducts.com | (770) 261-4821 | IM | 60337 |
| Evonik Oil Additives USA, Inc. | www.evonik.com/oil-additives | (215) 706-5802 | IMP | 33266 |
| ExxonMobil Product Solutions | www.exxonmobilchemical.com | (832) 625-4122 | IMP | 45651 |
| Falex Corporation | www.falex.com | (630) 556-4813 | IM | 33178 |
| Faysal Maintenance Group | | 201001978359 | IM | 84851 |
| FedChem, LLC. | www.kolate.com | (610) 837-1808 | IM | 59618 |
| Flucon Fluid Control GmbH | www.flucon.de/en/ | +4955249992266 | IM | 83165 |
| Focus Chemical, Inc. | www.focuschemical.com | (866) 801-1201 | IM | 71714 |
| Ford Motor Company | www.ford.com | (313) 322-6986 | IM | 59784 |
| Fortech Innovative Formulations | www.fortechproducts.com | (248) 446-9500 | IM | 81877 |
| FUCHS Lubricants Company | www.fuchs.com | (708) 333-8900 | IM | 33191 |
| Functional Products Inc. | www.functionalproducts.com | (330) 963-3060 | IM | 38582 |
| Gates Engineered Lubricants | https://gatesel.com | (281) 528-4096 | IM | 84255 |
| Gehring-Montgomery Inc | www.gehring-montgomery.com | (215) 957-1234 | IM | 79587 |
| Geo Pfau's Sons Company Inc. | www.pfauoil.com | (812) 283-6697 | IM | 33239 |
| GEO Specialty Chemicals UK Ltd. | www.geosc.com | (816) 289-6982 | IM | 68707 |
| Goulston Technologies Inc. | www.goulston.com | (704) 296-6484 | IM | 63429 |
| Green Oleo S.p.a Società Benefit | https://www.greenoleo.com | +39 0372 48 72 43 | IM | 83031 |
| H.L. Blachford Ltd. | www.blachford.com | (905) 823-3200 | IM | 74073 |
| Halocarbon Products Corporation | www.halocarbon.com | (470) 419-6364 | IM | 65034 |
| Hangzhou Sungate Chemical Co., LTD. | www.sungatechem.com | 86 571 8704747 | IM | 61653 |
| Harrison Manufacturing Co Pty Limited | www.harrisonmanufacturing.com.au | 61 2 8978 1065 | IM | 68387 |
| HF Sinclair | www.HFSinclair.com | (844) 388-2665 | IMP | 33237 |
| Hill and Griffith Company | www.hillandgriffith.com | (317) 542-3207 | IM | 63404 |
| Huntsman Corporation | www.huntsman.com | (281) 719-4743 | IM | 38980 |
| Husk-ITT Corporation | www.huskey.com | (951) 340-4000 | IM | 65070 |
| Hydac Technology Corporation | www.hydacusa.com | 49-6987-509-1117 | IM | 50007 |
| Hydrotex Inc. | www.hydrotexlube.com | (972) 389-8500 | IM | 42144 |
| ICL-IP America Inc. | www.fyrquel.com | (914) 479-7367 | IM | 33119 |
| Ideas Inc. | www.ideasadditives.com | (630) 620-2010 | IM | 33205 |
| Industrial Oils Unlimited | www.ioullc.com | (800) 324-1155 | IM | 57034 |
| INEOS Oligomers USA | www.ineos.com | (281) 535-4261 | IM | 50357 |
| Infineum USA | www.infineum.com | (908) 474-3489 | IM | 45814 |
| Interlub, S.A. De C.V. | www.interlubgroup.com | 523337938800 | IM | 53888 |
| IQL-Industrial Quimica Lasem S.A.U. | www.iql-nog.com | +34 938 75 88 00 | IM | 63514 |
| Italmatch Chemicals Group-LPA | www.elcocorp.com | (216) 749-2605 | IMP | 33169 |
| JAX, Inc. | www.jax.com | (262) 781-8850 | IM | 33138 |
| John Crane Inc. | www.johncrane.com | (847) 967-2400 | IMP | 33159 |
| John Deere | www.johndeere.com | (319) 292-5242 | OEM | 33160 |
| Kao Chemicals GmbH | www.kaochemicals-eu.com | 49-2822-711369 | IM | 67342 |
| Kawamura Research Labs Inc | www.dd.catv.ne.jp | 81-3-3495-2121 | IM | 33207 |
| KH Neochem Americas, Inc. | www.khneochem.com | (847) 517-8800 | IM | 51039 |
| Kimes Technologies International, Inc. | www.kimestech.com | (724) 715-7266 | IM | 73008 |
| King Industries, Inc. | www.kingindustries.com | (203) 866-5551 | IM | 33210 |
| KLK TEMIX SpA | www.temixoleo.com | +39 02 5099 431 | IM | 67283 |
| Kluber Lubrication NA LP | www.klueber.com | (603) 647-4104 | IM | 33215 |
| Klueber Lubrication Munchen GmbH & Co. KG | http://www.klueber.com | +4915254638811 | IM | 84894 |
| Koehler Instrument Company Inc. | www.koehlerinstrument.com | (631) 589-3800 | IM | 33188 |
| Kuraray America Inc. | http://www.kuraray.us.com | (800) 423-9762 | IM | 84540 |
| LANXESS Corporation | www.lanxess.com | (412) 809-3682 | IM | 33295 |
| Loadmaster Lubricants LLC | www.loadmastergrease.com | 651 653 2225 | IM | 70788 |
| LSI Chemical | www.lsichemical.com | (419) 947-2647 | IM | 70144 |
| Lubricantes Argentinos De Alta Perfomance S.A | www.laapsa.com.ar | 30-62771821-3 | IM | 77561 |
| Lubrication Engineers Inc. | www.le-inc.com | (316) 529-6800 | IM | 33217 |
| Lubriplate Lubricants Co. | www.lubriplate.com | (419) 697-1249 | IM | 33179 |
| Lucas Oil Products Inc. | www.lucasoil.com | (812) 705-6127 | IM | 54875 |
| LUVAL S.A. | www.luval.cl | +56 2 23458000 | IM | 70305 |
| Martin Specialty Products | www.martinspecialtyproducts.com | (844) 261-3687 | IM | 72923 |
| Master Fluid Solutions | www.masterchemical.com | (419) 874-7902 | IM | 65060 |
| Metall-Chemie GmbH & Co. KG | www.metall-chemie.com | +49 40 4710020 | IM | 69422 |
| Metalloid Corporation | www.metalloidcorp.com | (800) 686-3201 | IM | 70069 |
| MicRos Lubrication Technology Ltd | www.plasmoil.be | +86-189-36-100-300 | IM | 66071 |
| MidContinental Chemical Company | www.mcchemical.com | (913) 390-5556 | IMP | 72008 |
| ML Lubrication USA, Inc. | www.ml-lubricationusa.com | (770) 349-6310 | IM | 63642 |
| Monroe Fluid Technology | www.monroefluid.com | (585) 392-3434 | IM | 33225 |
| Munzing | www.munzing.com | (973) 279-1306 | IM | 33277 |
| Napoleon Engineering Services | www.nesbearings.com | (716) 372-6532 | IM | 63519 |
| NCH Corporation | www.nch.com | (972) 438-0929 | IMP | 33228 |
| Nelson Brothers Inc. | www.nbspecchem.com | (800) 217-2936 | IM | 82983 |
| Neol Copper Technologies Ltd | https://neol.world/ | +447917953596 | IM | 82709 |
| Norac Additives LLC | www.noracadditives.com | (215) 206-8918 | IM | 84384 |
| Nouryon | https://www.nouryon.com/fuels-and-lubricants | (312) 544-7127 | IM | 49984 |
| Novitas Chem Solutions, LLC | www.novitaschem.com | (281) 213-0066 | IM | 64105 |
| Novvi LLC | www.novvi.com | (832) 622-7101 | IM | 56748 |
| NSF International | www.nsf.org | (734) 418-6621 | IM | 62144 |
| Nyco America | www.nycoamerica.com | (412) 716-9124 | IM | 60403 |
| Oelheld U.S. Inc. | https://www.oelheld.com/en | (847) 531-8501 | IM | 85505 |
| Optimol Instruments Pruftechnik GmbH | www.optimol-instruments.de | +49(0)89-45091280 | IMP | 38992 |
| OXEA Corporation | www.chemicals.oq.com | (214) 417-8873 | IM | 78113 |
| Palmer Holland, Inc. | www.palmerholland.com | (440) 686-2300 | IM | 33180 |
| Patech Americas Inc. | http://www.patechfc.com.tw | (614) 315-9115 | IM | 85508 |
| PCAS | www.seqens.com | (078) 659-6242 | IM | 69491 |
| PCC-Chemax, Inc. | www.pcc-chemax.com | (864) 277-7000 | IM | 33145 |
| PCS Instruments | www.pcs-instruments.com | 44-20-8600-9920 | IM | 32864 |
| Perstorp Group | www.perstorp.com | (419) 729-5448 | IM | 68114 |
| Pilot Chemical Company | www.pilotchemical.com | (513) 326-0600 | IM | 33242 |
| PMC Crystal | www.pmccrystal.com | (215) 368-1661 | IM | 49091 |
| POLARIS Laboratories LLC | www.polarislabs.com | (317) 808-3750 | IM | 40129 |
| Polyrheo USA Inc. / Neatsfoot Oil Refineries | https://www.neatsfootoil.com | (215) 739-1291 | IM | 85127 |
| ProFluid, LLC | www.profluidllc.com | (513) 987-4100 | IMP | 83801 |
| Pulcra Chemicals | http://www.pulcra-chemicals.com | (704) 798-0292 | IM | 84983 |
| Quaker Houghton | www.quakerhoughton.com | (610) 832-4000 | IM | 65054 |
| Quimica Liposoluble, S.A.P.I. De C.V. | www.quimicaliposoluble.com | 52-33-3817-1658 | IM | 57062 |
| Radom Corporation | www.radomcorp.com | (954) 592-7799 | IM | 83454 |
| Ravago Chemical North America | na.RavagoChemicals.com | (630) 665-3085 | IM | 33204 |
| Richards Apex Inc. | www.richardsapex.com | (215) 487-1100 | IM | 69739 |
| RSC Bio Solutions | www.rscbio.com | (704) 684-1954 | IM | 65738 |
| S&S Chemical Company Inc. | www.sandschemical.com | (631) 261-2215 | IM | 65997 |
| Santolubes LLC. | www.santolubes.com | (864) 585-3661 | IM | 50772 |
| Sanyo Chemical America Inc. | www.sanyochemicalamerica.com | (412) 384-5700 | IM | 81415 |
| Sasol Chemicals | www.chemicals.sasol.com | (281) 588-3000 | IM | 63450 |
| Savant Labs | www.savantgroup.com | (989) 496-2301 | IM | 39001 |
| Schaeffler Technologies AG & Co KG. | https://www.schaeffler.com | +49 9132 82-0 | IMP | 83113 |
| Sea-Land Chemical Company | www.sealandchem.com | (440) 871-7887 | IMP | 33253 |
| Shell Oil Company Foundation | www.shell.com | (281) 544-7812 | IM | 66304 |
| SI Group | www.siigroup.com | (440) 867-8079 | IMP | 81478 |
| SKF Research and Technology Development | www.skf.com | 31 30 6075812 | IM | 56529 |
| Smart Oil & Chemical Ltd. | www.smart-oil.com | (852)2887-5466 | IM | 81158 |
| Soltex, Inc. | www.soltexinc.com | (281) 587-0900 | IM | 55189 |
| Songwon Management AG | www.songwon.com | 44-7702-229931 | IM | 69627 |
| Southwest Research Institute | www.swri.org | (210) 522-5545 | IM | 62644 |
| Southwestern Petroleum Lubricants, LLC | www.swepcousa.com | (817) 348-7231 | IM | 54365 |
| Sun Chemical Advanced Materials | www.sunchemical.com | (973) 404-6613 | IM | 67681 |
| Syn-Tech Ltd. | www.syn-techlube.com | (630) 628-7290 | IM | 82177 |
| Tannas/King | www.tannasking.com | (989) 496-2309 | IM | 61948 |
| Teknor Apex Company | www.teknorapex.com | (800) 556-3864 | IM | 64947 |
| Ternec Lubrificantes | http://www.ternec.com.br | +551141763020 | IM | 83271 |
| Tesla, Inc. | https://www.tesla.com | (650) 681-6982 | OEM | 84935 |
| The Boeing Company | www.boeing.com | (206) 753 9229 | OEM | 51948 |
| The Lubrizol Corporation | www.lubrizol.com | (440) 347-1070 | IMP | 33184 |
| The Shepherd Chemical Company | www.shepchem.com | (513) 458-6807 | IM | 47033 |
| The Timken Company | www.timken.com | (234) 262-2711 | IM | 33271 |
| Tomlin Scientific Inc. | www.tomlinscientific.com | (714) 523-7971 | IM | 79128 |
| Total Energy LLC, D/B/A Ocean State Oil, Inc. | www.oceanstateoil.com | (401) 295-0996 | IM | 69907 |
| TotalEnergies Lubricants | www.totalenergies.com | (908) 374-5070 | IM | 52610 |
| TRCC | www.tiarco.com | (706) 934-4872 | IM | 49621 |
| TriboDENS Ltd | tribodens.com | +44(0)1509 227659 | IM | 85525 |
| TRiiSO LLC | www.tri-iso.com | (909) 626-4855 | IM | 33275 |
| Tulstar Products, Inc. | www.tulstar.com | (918) 442-1035 | IM | 67276 |
| United Protective Technologies | https://www.upt-usa.com | (704) 888-2470 | IM | 84065 |
| Univar Solutions | www.univarsolutions.com | (630) 460-8625 | IMP | 59737 |
| Vanderbilt Chemicals, LLC | www.vanderbiltchemicals.com | (203) 853-1400 | IM | 33285 |
| VBASE Oil Company | www.vbaseoil.com | (864) 502-2321 | IM | 77803 |
| Vickers Oils | www.vickers-oil.com | +44 113 386 7654 | IM | 71621 |
| WD-40 Company | www.wd40.com | (858) 251-5757 | IM | 63080 |
| WearCheck Lubrication Services, LLC. | www.wearcheck.com | (800) 237-1369 | IM | 62777 |
| Wincom, Inc. | www.wincom-inc.com | (513) 936-0185 | IM | 49629 |
| Xaerus Performance Fluids International Inc. | www.xaerusfluids.com | (989) 397-7686 | IM | 58647 |
| Xinxiang Richful Lube Additive Co., Ltd. | www.sinoruifeng.com | 86-139 01048215 | IM | 70002 |
| Yushiro Manufacturing America, Inc. | www.yushirousa.com | (317) 398-9862 | IM | 68125 |
| Zschimmer & Schwarz | www.ZSLubes.com | (478) 454-1942 | IMP | 33203 |