| HWHeritage Wines | Tulsa | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HUHetronic USA | Oklahoma City | OK | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| HBHEW Broken Bow, OK | Broken Bow | OK | Wood Product Manufacturing321219 | 100-499 | ◐ LIKELY ACTIVE |
| HGHigh Gravity | Tulsa | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HHiland | Norman | OK | Food Manufacturing311511 | 100-499 | ◐ LIKELY ACTIVE |
| HDH&j Distillery LLC | Pryor | OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HLHkr, LLC | Catoosa | OK | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HCH&L Custom Processing | Coalgate | OK | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| HDHochatown Distilling Company, LLC | Broken Bow | OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HLHomegrown Lg OK | Locust Grove | OK | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| HHHoney Hole Meadery | Tulsa | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HAHorizon Ag-Products - OK Plant | Union City | OK | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| HAHosie Aerospace Services LLC | Oklahoma City | OK | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| HCHoward Construction Company and General Contracting, LLC | Blanchard | OK | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| ILIdabel Lumber | Idabel | OK | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| IHIkonis Holdings LLC | Oklahoma City | OK | Textile Product Mills314910 | — | ◐ LIKELY ACTIVE |
| ICIndian Creek Village | Ringwood | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| IEInfin8 Enterprises LLC | Bixby | OK | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| IAInked and Threaded LLC | Mcalester | OK | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 15 | Tulsa | OK | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 34 | Oklahoma City | OK | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITInnovative Training Solutions LLC | Tulsa | OK | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
| ILInPro/Seal, LLC d/b/a FW Murphy Production Controls | Tulsa | OK | Computer and Electronic Product Manufacturing334513 | 1-19 | ◐ LIKELY ACTIVE |
| IEInternational Environmental Corporation | Oklahoma City | OK | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| ICInterplastic Corporation Pryor OK | Pryor | OK | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| IEIntrepid Energy Solutions | Inola | OK | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| IIochem-OK | Vici | OK | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
ISCO Industries, Inc - Pryor | Pryor | OK | Plastics and Rubber Products Manufacturing326191 | 1-19 | ◐ LIKELY ACTIVE |
ISCO Industries, Inc - Shawnee | Shawnee | OK | Plastics and Rubber Products Manufacturing326191 | 1-19 | ◐ LIKELY ACTIVE |
| INIVI North, Inc. - OK Branch | Muskogee | OK | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| JSJames Supplies, L.l.c. | Pauls Valley | OK | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| JJJaren's Jerky | Enid | OK | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| JMJb Metal Works, LLC | Apache | OK | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| JSJd Supply & Manufacturing | Piedmont | OK | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| JAJetilus Aero, LLC | Stillwater | OK | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| JNJ.h. Newton L.l.c | Broken Arrow | OK | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| JGJoe Goddard Enterprises LLC | Edmond | OK | Computer and Electronic Product Manufacturing334310 | — | ◐ LIKELY ACTIVE |
| JCJohn Crane Fluid Control System | Tulsa | OK | Miscellaneous Manufacturing339991 | 20-99 | ◐ LIKELY ACTIVE |
| JVJohnester Vineyard & Winery | Kingfisher | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JCJolly Consulting and Production LLC | Park Hill | OK | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| KOKiamichi Opportunities Incorporated | Hugo | OK | Food Manufacturing311423 | — | ◐ LIKELY ACTIVE |
| KCKimberly Clark Jenks | Jenks | OK | Paper Manufacturing322120 | 500+ | ◐ LIKELY ACTIVE |
| KMKinship Meadery LLC | Tulsa | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| KHKni Healthcare LLC | Tulsa | OK | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| KRKnotted Rope Winery LLC | Broken Bow | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LML3harris Maritime Power & Energy Solutions, INC. | Tulsa | OK | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◐ LIKELY ACTIVE |
| LIL6 INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332911 | — | ◐ LIKELY ACTIVE |
| LRLand Run Distillery, LLC | Newkirk | OK | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LRLand Run Winery | El Reno | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LPLawton Packaged Gas | Lawton | OK | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |