| FRFalcon Ridge Cleaners | Fontana | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| FCFast Cargo Trans INC | Fontana | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| FLFfcc Land Ventures LLC | Fontana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| FLFfcc Land Ventures LLC | Fontana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| FLFfcc Land Ventures LLC | Fontana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| FMFiber Marketing Dba Fmi Equipment | Fontana | CA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| FKFormer Kaiser Steel Mill Facility | Fontana | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FDFpd Design Group | Fontana | CA | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| GAG & a Pallets Dba G & F Pallets | Fontana | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| GPGc Pallets, INC. | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| GGGlc General INC | Fontana | CA | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| GFGoldshield Fiberglass INC Pl | Fontana | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| GSGonsalves & Santucci INC Dba Conco | Fontana | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GPG.o. Pallets, INC | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| GIGph Irrigation | Fontana | CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| GDGreat Dane Trailers | Fontana | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
 Greenfield Metal Systems, INC. Dba Mwf Solutions | Fontana | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| GGGuillermo Garcia & Jesus Ambris | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| HTHarbor Truck Bodies, Inc. | Fontana | CA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| HTHarbor Truck Bodies, Inc. | Fontana | CA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| HIHartman Industries Dba Commercial Casting Company | Fontana | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| HGHeather Garcia Dba Monarca's Pallets | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| HLHemlock LLC | Fontana | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| HTHi Tech Machine Shop | Fontana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| IMIcon Metal Works INC Dba Icon Structures | Fontana | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| IPIco Polymers North America INC | Fontana | CA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| IVIndorama Venture Sustainable Solutions Fontana INC | Fontana | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| ITIndustrial Truck Bodies | Fontana | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| ITIndustrial Truck Bodies & Equip INC | Fontana | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| INIn N Out Burger | Fontana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| JWJaco Water Trucks | Fontana | CA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| JTJaeckel Tool and Manufacturing INC | Fontana | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| JIJdc Industries | Fontana | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| JCJeffrey Court INC | Fontana | CA | Nonmetallic Mineral Product Manufacturing327122 | — | ◇ UNVERIFIED |
| JMJ-m Manufacturing CO INC Dba J-m Pipe Mfg Company | Fontana | CA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| JPJoel Perez Dba Joel Perez Pallets | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| JVJurupa Valley Millworks | Fontana | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| KCKaiser Commerce Center | Fontana | CA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| KKKarl Kaiser | Fontana | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation | Fontana | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| KMKms Mechanics INC | Fontana | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| KFKooner Fleet Mangement Solutions | Fontana | CA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| KKKruger Kamloops Pulp L.p. | Fontana | CA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| LTLast Tenant | Fontana | CA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| LTLeo's Trailer Services | Fontana | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| LILightolier INC | Fontana | CA | Electrical Equipment, Appliance & Component Manufacturing335131 | — | ◇ UNVERIFIED |
| LPLopez Pallets INC | Fontana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| LILuster-cote INC | Fontana | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
 Mac Industries | Fontana | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MSMajestic Steel USA | Fontana | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
