| OSOCULUS Surgical | Port Saint Lucie | FL | 20–99 | ● ACTIVE |
Ocu Metrics INC | Palo Alto | CA | — | ● ACTIVE |
Ocutrap INC | Austin | TX | — | ● ACTIVE |
Oddbox Holdings INC. | Irvine | CA | — | ● ACTIVE |
Odin Dynamics, INC. | Venice | CA | — | ● ACTIVE |
O'dochartaigh, LLC | Oakland | AR | — | ● ACTIVE |
Odra LLC | Grand Forks | ND | — | ● ACTIVE |
Odulair LLC | Joelton | TN | — | ● ACTIVE |
Ody-c Incorporated | Napa | CA | — | ● ACTIVE |
Odyssey Industries, LLC | Lake Orion | MI | — | ● ACTIVE |
O.e.m. Company, INC. | Port Huron | MI | — | ● ACTIVE |
O.e.m. Systems, L.l.c. | Okarche | OK | — | ● ACTIVE |
Oerlikon Balzers Coating USA INC. | Schaumburg | IL | — | ● ACTIVE |
O'fallon Casting, L.l.c. | O Fallon | MO | — | ● ACTIVE |
Offen Industries, LLC | Bellingham | WA | — | ● ACTIVE |
Off the X USA INC. | Gainesville | FL | — | ● ACTIVE |
Ohio Metallurgical Service, INC. | Elyria | OH | — | ● ACTIVE |
Ohio Ordnance Works INC | Chardon | OH | — | ● ACTIVE |
| OOhl-tech | Chesapeake City | MD | — | ● ACTIVE |
Oilmens Truck Tanks INC | Spartanburg | SC | — | ● ACTIVE |
Oilquick Americas, LLC. | Superior | WI | — | ● ACTIVE |
| OSOil States Skagit Smatco, LLC | Houma | LA | 100–499 | ● ACTIVE |
Oiltrak Services, LLC | Houston | TX | — | ● ACTIVE |
Okami Machining, LLC | Boulder City | NV | — | ● ACTIVE |
O'keefe Ceramics, INC. | Woodland Park | CO | — | ● ACTIVE |
Oklahoma Munitions Holding Company, LLC | Tulsa | OK | — | ● ACTIVE |
Old Line Manufacturing and Defense Solutions LLC | Essexville | MI | — | ● ACTIVE |
Oli Marketing, LLC | Warsaw | MO | — | ● ACTIVE |
| OEOlympic Engineering Services, INC | Bradford | MA | — | ● ACTIVE |
| OTOlympic Tool & Machine CORP | Aston | PA | — | ● ACTIVE |
Olympus America INC | Center Valley | PA | — | ● ACTIVE |
Olympus Engineering and Design Works, INC | Millcreek | UT | — | ● ACTIVE |
Olympus Machining LLC | Hanover | PA | — | ● ACTIVE |
Omedus LLC | Omaha | NE | — | ● ACTIVE |
Omega Ii., INC. | Chula Vista | CA | — | ● ACTIVE |
Omega Industrial Products INC | Saukville | WI | — | ● ACTIVE |
Omega Metalworks LLC | Colorado Springs | CO | — | ● ACTIVE |
Omega One Research, INC | Boca Raton | FL | — | ● ACTIVE |
Omega Precision | Santa Fe Springs | CA | — | ● ACTIVE |
Omikron Engineering, INC. | Chatsworth | CA | — | ● ACTIVE |
Omission Incorporated | Saco | ME | — | ● ACTIVE |
Omnicomponents CORP. | Mount Sinai | NY | — | ● ACTIVE |
Omni Defense Technologies CORP | Colchester | VT | — | ● ACTIVE |
Omni Distribution, LLC | Union | NJ | — | ● ACTIVE |
Omni Machine & Manufacturing INC | Brea | CA | — | ● ACTIVE |
Omni Machine Works INC. | Covington | GA | — | ● ACTIVE |
Omniscient Imaging INC | Tucson | AZ | — | ● ACTIVE |
Omni Services, INC. | New Castle | DE | — | ● ACTIVE |
Omni Solutions LLC | Baraboo | WI | — | ● ACTIVE |
Omni-tech Calibration Services, INC. | Fenton | MI | — | ● ACTIVE |
| OTOmp Technologies INC | Fairfield | NJ | — | ● ACTIVE |
On2 Systems INC | Naples | FL | — | ● ACTIVE |
On Additive LLC | Lake Oswego | OR | — | ● ACTIVE |
Ona Edm USA Corporation | Dexter | MI | — | ● ACTIVE |
Onboard Systems International, LLC | Vancouver | WA | — | ● ACTIVE |
| OHOnedirect Health Network, INC. | Marietta | GA | — | ● ACTIVE |
One Off Robotics LLC | Chattanooga | TN | — | ● ACTIVE |
One Simple Co, LLC | Mesa | AZ | — | ● ACTIVE |
One Source Manufacturing Technology, L.l.c. | Leander | TX | — | ● ACTIVE |
| OSOne Stone Arms LLC | Proctor | AR | — | ● ACTIVE |
| OSOne Stop Kart, LLC | Charlotte | NC | — | ● ACTIVE |
Onet Global INC | Alameda | CA | — | ● ACTIVE |
One World Led USA LLC | Houston | TX | — | ● ACTIVE |
Onexia, INC. | Exton | PA | — | ● ACTIVE |
Onfloor Technologies, LLC | Newburgh | NY | — | ● ACTIVE |
Ong Group LLC | Acton | CA | — | ● ACTIVE |
Onium Machine and Fabrication, LLC | Winder | GA | — | ● ACTIVE |
Onpoint Manufacturing LLC | Morristown | TN | — | ● ACTIVE |
Onset Aviation Parts, INC. | Miramar | FL | — | ● ACTIVE |
On-shore Usa, LLC | Glendale Heights | IL | — | ● ACTIVE |
On the Edge Mfg, INC | Butler | PA | — | ● ACTIVE |
| OTOn the Go Portable Water Softener, LLC | Bloomington | IN | — | ● ACTIVE |
On the Mark INC | Mount Pleasant | MI | — | ● ACTIVE |
Ontic Engineering and Manufacturing, INC. | Miramar | FL | — | ● ACTIVE |
Onxx Tool INC | Avilla | IN | — | ● ACTIVE |
Onyx Industries, LLC | Mc Lean | VA | — | ● ACTIVE |
Onyx Specialty Processing | Decatur | TX | — | ● ACTIVE |
Opa Graphics, INC | New Orleans | LA | — | ● ACTIVE |
O & P Clinical Innovations LLC | Grove City | PA | — | ● ACTIVE |
Open Date Systems, INC. | Springfield | NH | — | ● ACTIVE |
Openmv, LLC | San Francisco | CA | — | ● ACTIVE |
Opensky Veterans Health | Encinitas | CA | — | ● ACTIVE |
Operose Manufacturing, LLC | Hutchinson | MN | — | ● ACTIVE |
Opotek, LLC | Carlsbad | CA | — | ● ACTIVE |
| OAOps America INC | Maple Lake | MN | — | ● ACTIVE |
Optek Systems, INC. | Greenville | SC | — | ● ACTIVE |
Optel Engineering Group INC | Richardson | TX | — | ● ACTIVE |
Optex Systems, INC | Dallas | TX | — | ● ACTIVE |
| OSOptical Solutions INC | Charlestown | NH | — | ● ACTIVE |
Opticology, INC. | Brooklyn | NY | — | ● ACTIVE |
Opticor Precision LLC | Cary | NC | — | ● ACTIVE |
| OIOptics in Motion LLC | Long Beach | CA | — | ● ACTIVE |
Optilab LLC | Phoenix | AZ | — | ● ACTIVE |
Optima Stantron CORP | Lawrenceville | GA | — | ● ACTIVE |
| OLOptimim LLC | Wilsonville | OR | 100–499 | ● ACTIVE |
| OIOpt Industries, INC | Medford | MA | — | ● ACTIVE |
Optitorque Technologies LLC | Penn Yan | NY | — | ● ACTIVE |
| OCOptometrics Corporation | Littleton | MA | — | ● ACTIVE |
Optos, INC | Marlborough | MA | — | ● ACTIVE |
Opulent Global Products INC | Anaheim | CA | — | ● ACTIVE |