| HIHigbee INC. | Syracuse | NY | — | ◇ UNVERIFIED |
| IIIcpc INC Dba Industrial Custom Products INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| IIIlpea Industries | Scottsburg | IN | — | ◇ UNVERIFIED |
| IIIlpea Industries INC | New Ulm | MN | — | ◇ UNVERIFIED |
| IIIlpea Industries INC. | Hartselle | AL | — | ◇ UNVERIFIED |
| IFImerys Fused Minerals, INC. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| IAIndustrial Abrasives CO. | Reading | PA | — | ◇ UNVERIFIED |
| IRIndustrial Resource Solutions, Incorporated | Lithia Springs | GA | — | ◇ UNVERIFIED |
| IInseal | Elkhart | IN | — | ◇ UNVERIFIED |
| IGInternal Grinding Abrasives | Grand Rapids | MI | — | ◇ UNVERIFIED |
| ILIntreeg, LLC | Chagrin Falls | OH | — | ◇ UNVERIFIED |
| IGIshikawa Gasket America INC | Bowling Green | OH | — | ◇ UNVERIFIED |
| ISItw Southland - Baker Road | Virginia Beach | VA | — | ◇ UNVERIFIED |
| JSJa-bar Silicone CORP | Andover, Township of | NJ | — | ◇ UNVERIFIED |
| JJacksonlea | Conover | NC | — | ◇ UNVERIFIED |
| JIJason, INC. | Conover | NC | — | ◇ UNVERIFIED |
| JRJasper Rubber Products, INC | Jasper | IN | — | ◇ UNVERIFIED |
| JAJeffery a Smith | Lebanon | OR | — | ◇ UNVERIFIED |
| JCJohn Crane Golden Branch | Golden | CO | — | ◇ UNVERIFIED |
| JCJohn Crane INC | Concord | CA | — | ◇ UNVERIFIED |
| JCJohn Crane INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| JCJohn Crane INC | Golden | CO | — | ◇ UNVERIFIED |
| JCJor-mac CO INC | Grafton | WI | — | ◇ UNVERIFIED |
| JAJowitt and Rodgers Co/state Rd Fac | Philadelphia | PA | — | ◇ UNVERIFIED |
| KUKalrez Usa, LLC - Tralee Park Annex | Newark | DE | — | ◇ UNVERIFIED |
| KZKathy Zebra Z Facility-test Data Updated Not Co-located Fac | Herndon | VA | — | ◇ UNVERIFIED |
| KAKay Ahn | Buena Park | CA | — | ◇ UNVERIFIED |
| KTKdh Test Cedri Facility | Jefferson City | MO | — | ◇ UNVERIFIED |
| KPKern Packing & Gasket | Bakersfield | CA | — | ◇ UNVERIFIED |
| KTKlinger Thermoseal (0375010161) | Sidney | OH | — | ◇ UNVERIFIED |
| KCKopfmann CO INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| LILakeview Industries, INC | Chaska | MN | — | ◇ UNVERIFIED |
| LGLamons Gasket Company | Martinez | CA | — | ◇ UNVERIFIED |
| LGLamons Gasket Matrix Plant | Houston | TX | — | ◇ UNVERIFIED |
| LPLapmaster Precision Finishing Services, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| LGLeader Gasket CO | Baton Rouge | LA | — | ◇ UNVERIFIED |
| LGLeader Gasket Technologies, INC. | Deer Park | TX | — | ◇ UNVERIFIED |
| LMLeaders Manufacturing INC | Willmar | MN | — | ◇ UNVERIFIED |
| LMLeaders Manufacturing INC - Plant 2 | Willmar | MN | — | ◇ UNVERIFIED |
| LLL & L Products Inc-deep South | Romeo | MI | — | ◇ UNVERIFIED |
| LNLorient North America Limited | Lexington | KY | — | ◇ UNVERIFIED |
| MAMagnum Abrasives INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MRManufactured Rubber Products Company Incorporated | Philadelphia | PA | — | ◇ UNVERIFIED |
| MOMars Ostarello | Los Angeles | CA | — | ◇ UNVERIFIED |
| MAMarvel Abrasive Products, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MAMaverick Abrasives Corporation | Placentia | CA | — | ◇ UNVERIFIED |
| M8Max 8 Group, INC. | Flushing | NY | — | ◇ UNVERIFIED |
| MGMax-Hamilton Group ,L.L.C. | Erlanger | KY | — | ◇ UNVERIFIED |
| MEMbk Enterprises, INC. Dba Mbk Tape Solutions | Chatsworth | CA | — | ◇ UNVERIFIED |
| MEMccarty Equipment Co., LTD. | Laredo | TX | — | ◇ UNVERIFIED |
| MSMetaltec Steel Abrasive Company | Canton | MI | — | ◇ UNVERIFIED |
| MIMetro Industries, INC. | Grandview | MO | — | ◇ UNVERIFIED |
| MGM - G Industries INC | Long Beach | CA | — | ◇ UNVERIFIED |
| MAMikronpmp Aeropace | Ontario | CA | — | ◇ UNVERIFIED |
| MLMineralholics, LLC | Polson | MT | — | ◇ UNVERIFIED |
| MPMineral Processing Specialties Inc. | Bessemer | PA | — | ◇ UNVERIFIED |
| MIM-line, INC. | Gilbertsville | PA | — | ◇ UNVERIFIED |
| MAModern Abrasive CORP. | Spring Grove | IL | — | ◇ UNVERIFIED |
| MSModern Silicone Technologies, INC | Pinellas Park | FL | — | ◇ UNVERIFIED |
| MMMontco Manufacturing | Glenwood | AR | — | ◇ UNVERIFIED |
| MPMt Pulaski Products LLC | Mount Pulaski | IL | — | ◇ UNVERIFIED |
| MDMueller Die Cut Solutions, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| NNed | Essex Junction | VT | — | ◇ UNVERIFIED |
| NONeverleak Opco, LLC | Olive Branch | MS | — | ◇ UNVERIFIED |
| NGNew Garden Park INC | Worcester | MA | — | ◇ UNVERIFIED |
| NNNewport News Shipbuilding, a Division of Huntington Ingalls INC | Newport News | VA | — | ◇ UNVERIFIED |
| NDNitto Denko Automotive Virginia | Chesapeake | VA | — | ◇ UNVERIFIED |
| NANorth American Steel INC. | Kansas City | MO | — | ◇ UNVERIFIED |
| NCNott Company | Burnsville | MN | — | ◇ UNVERIFIED |
| NCNott Company | Princeton | MN | — | ◇ UNVERIFIED |
| NCNucor Corporation - Nucor Steel, Arkansas | Blytheville | AR | — | ◇ UNVERIFIED |
| OGOhio Gasket & Shim Company | Akron | OH | — | ◇ UNVERIFIED |
| OTOntario Tool & Equipment, Inc. | Victor | NY | — | ◇ UNVERIFIED |
| OTOntario Tool & Equipment, Inc. | Victor | NY | — | ◇ UNVERIFIED |
| OMOutback Materials | Friant | CA | — | ◇ UNVERIFIED |
| OOOut of the Animas LLC | Durango | CO | — | ◇ UNVERIFIED |
| PBPabco Bldg Products Llc, Pabco Paper Dba | Vernon | CA | — | ◇ UNVERIFIED |
| PGPacific Grinding Wheel CO | Marysville | WA | — | ◇ UNVERIFIED |
| PRPacific Rubber & Packing INC | San Carlos | CA | — | ◇ UNVERIFIED |
| PLPackRite, LLC | Columbus | OH | — | ◇ UNVERIFIED |
| PLPall Life Sciences Pr LLC | Fajardo | PR | — | ◇ UNVERIFIED |
| PIParco INC | Ontario | CA | — | ◇ UNVERIFIED |
| PHParker Hanifin CORP | Lynchburg | VA | — | ◇ UNVERIFIED |
| PSParker Seals/gnp Operations | Elgin | IL | — | ◇ UNVERIFIED |
| POPattons of Ca LLC | Cerritos | CA | — | ◇ UNVERIFIED |
| PIPax Industries | Costa Mesa | CA | — | ◇ UNVERIFIED |
| PMPeerless Metal Powders Abrasive | Detroit | MI | — | ◇ UNVERIFIED |
| PAPerformance Abrasives Mfg, INC. | Victorville | CA | — | ◇ UNVERIFIED |
| PRPhilpott Rubber, LLC | Stow | OH | — | ◇ UNVERIFIED |
| PBPhoenix Brands, LLC | Sandy Hook | VA | — | ◇ UNVERIFIED |
| POPort of Tillamook Bay Wwspf | Tillamook | OR | — | ◇ UNVERIFIED |
| PDPower Dynamics Gasket Company INC | South Saint Paul | MN | — | ◇ UNVERIFIED |
| PDPower Dynamics INC | Eagan | MN | — | ◇ UNVERIFIED |
 Precision Gasket Company | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| PSPremiere Seals | Holiday | FL | — | ◇ UNVERIFIED |
| PPPremier Powder Coating Company | Buellton | CA | — | ◇ UNVERIFIED |
| PAPres-on Abrasives | Addison | IL | — | ◇ UNVERIFIED |
| PSPress Seal Gasket CORP | Fort Wayne | IN | — | ◇ UNVERIFIED |
| PWPristine Wheels, INC. | Edgewater | FL | — | ◇ UNVERIFIED |
| PAProduction Abrasives, INC. | Hamilton | PA | — | ◇ UNVERIFIED |
