| Opportunity Zone LLC | DL144905 | 2018-03-06 | Active | Omaha |
| OPPORTUNITY, INC. | DB027461 | 1988-06-13 | Inactive | — |
| Opportunity, LLC | DL040118 | 2014-08-28 | Active | Rapid City |
| Opportunityville, LLC | DL205077 | 2021-06-21 | Active | Rapid City |
| OppWin Card, LLC | FL206239 | 2021-07-11 | Active | Chicago |
| Oppwin SalaryTap, LLC | FL214172 | 2021-11-09 | Active | Chicago |
| OppWin, LLC | FL144621 | 2018-02-28 | Active | Chicago |
| OPR Management Services, Inc. | FB128704 | 2016-12-15 | Active | HOUSTON |
| OPRET, INC. | DB046805 | 2003-05-01 | Dissolved | — |
| OPRONA, INC. | FB038891 | 2015-10-15 | Active | Houston |
| Opsahl Dawson & Company Advisors LLC | DL254272 | 2023-07-10 | Dissolved | Vancouver |
| Opsahl Farms, L.L.C. | DL040023 | 2014-08-21 | Active | CARPENTER |
| OPSAHL-KOSTEL FUNERAL HOME AND CREMATORY, INC. | DB039976 | 1998-04-24 | Active | YANKTON |
| opt United States Limited Liability Company | DL314693 | 2025-11-30 | Active | Watertown |
| OPTACOR FINANCIAL SERVICES COMPANY | FB020215 | 1997-06-24 | Inactive | RICHMOND |
| Optain Health Medical Services PC | FB329122 | 2026-05-19 | Active | Miami |
| OPTAL FINANCIAL LIMITED | FB133407 | 2017-05-12 | Inactive | — |
| Optavise Insurance Agency, LLC | FL325470 | 2026-04-08 | Active | Carmel |
| OPTAVISE, LLC | FL043275 | 2015-02-02 | Active | BIRMINGHAM |
| Optech, LLC | FL243240 | 2023-01-30 | Active | Troy |
| OPTECH-MONETTE LLC | FL003228 | 2006-11-30 | Revoked | ALPHARETTA |
| OPTEON AMC, INC. | FB134647 | 2017-06-28 | Active | Toledo |
| OPTERIVA LLC | DL334513 | 2026-07-23 | Active | WATERTOWN |
| OPTERRA ENERGY SERVICES, LLC | FL304137 | 2025-07-08 | Active | East Brunswick |
| OPTEX, INC. | FB018943 | 1996-05-14 | Inactive | DUBLIN |
| OPTI, LLC | DL050284 | 2016-10-13 | Dissolved | SIOUX FALLS |
| OPTIC CONNECTIONS, INC. | FB030941 | 2006-09-11 | Revoked | PARK RAPIDS |
| Optic Consulting LLC | DL232005 | 2022-08-04 | Active | Alexandria |
| OPTICAL ARTS, INC. | DB034186 | 1994-03-23 | Inactive | — |
| OPTICAL DETECTION SYSTEMS, INC. | FB024756 | 2001-01-22 | Revoked | RAPID CITY |
| Optical Image Technology, Inc. | FB037944 | 2014-07-02 | Inactive | STATE COLLEGE |
| OPTICAL PROCUREMENT SERVICES LLC | FL176198 | 2020-01-22 | Active | MASON |
| OPTICAL SERVICES CO. | FB010274 | 1985-06-14 | Inactive | OMAHA |
| OPTICAL SERVICES, INC. | FB013292 | 1989-12-29 | Inactive | OMAHA |
| OPTICAL SOLUTIONS, INC. | FB022468 | 1999-04-26 | Revoked | PLYMOUTH |
| OPTICAL SOLUTIONS, INC. | FB022001 | 1998-11-13 | Inactive | PLYMOUTH |
| OPTICAL TECHNOLOGIES, INC. | FB022114 | 1998-12-22 | Inactive | MINOT |
| OPTICAL TELEPHONE CORPORATION | FB025295 | 2001-07-02 | Revoked | HUNTSVILLE |
| OPTICAL WORKS, INC. | DB044639 | 2001-10-22 | Dissolved | RAPID CITY |
| Optical Xperts, LLC | FL187863 | 2020-09-17 | Active | Windom |
| Opticians Association of South Dakota | NS131339 | 2017-03-08 | Active | Hermosa |
| OPTIGEN, INC. | FB036387 | 2012-11-19 | Active | Clearwater |
| Optikal Edge, LLC | DL262264 | 2023-11-09 | Active | Dell Rapids |
| OPTILEGRA, INC. | DB029470 | 1990-05-07 | Active | SIOUX FALLS |
| OPTIMA ENGINEERING, LLC | DL005086 | 2002-09-25 | Dissolved | — |
| Optima Healthcare Solutions, LLC | FL158965 | 2019-01-17 | Inactive | Palm City |
| OPTIMA LLC | DL003534 | 2001-01-26 | Inactive | — |
| OPTIMA NETWORK SERVICES INC. | FB036044 | 2012-06-15 | Inactive | CORAL GABLES |
| OPTIMA SERVICE SOLUTIONS, LLC | FL004183 | 2008-08-05 | Inactive | ROSWELL |
| Optima Ventures LLC | DL306979 | 2025-08-13 | Active | St. Petersburg |
| OPTIMA, LLC | DL016107 | 2008-03-28 | Active | RAPID CITY |
| Optimal Aqua LLC | FL151534 | 2018-07-25 | Inactive | Omaha |
| OPTIMAL AQUISITIONS LLC | DL029475 | 2012-09-20 | Dissolved | MADISON |
| OPTIMAL BENEFIT SERVICES, INC. | FB029970 | 2005-09-15 | Inactive | LAKE FOREST |
| Optimal Blue, LLC | FL207082 | 2021-07-23 | Active | PLANO |
| Optimal Builders, LLC | DL222851 | 2022-03-15 | Dissolved | Sioux Falls |
| Optimal Cleaning, L.L.C. | DL305816 | 2025-07-29 | Active | PIERRE |
| Optimal Cognitive Performance LLC | DL259423 | 2023-09-24 | Inactive | Sioux Falls |
| Optimal Connections LLP | DR293592 | 2025-02-14 | Inactive | WATERTOWN |
| Optimal Enterprises, LLC | DL045735 | 2015-11-04 | Dissolved | MADISON |
| Optimal Exteriors LLC | FL246596 | 2023-03-15 | Active | Watertown |
| Optimal Fiber Connect LLC | DL294813 | 2025-03-05 | Active | Watertown |
| Optimal Health LLC | DL268262 | 2024-02-10 | Active | Watertown |
| Optimal Holdings, LLC | DL175071 | 2019-12-30 | Inactive | Sioux Falls |
| OPTIMAL LENDER SOLUTIONS, LLC | FL003436 | 2007-04-12 | Inactive | CORAL GABLES |
| OPTIMAL PAYMENTS SERVICES INC. | FB037028 | 2013-09-30 | Revoked | NEW YORK |
| Optimal Performance, Inc. | DB281622 | 2024-08-23 | Active | ABERDEEN |
| Optimal Prime Cleaning Services LLC | DL133450 | 2017-05-15 | Dissolved | Sioux Falls |
| Optimal Prime Services, Inc. | DB188285 | 2020-09-25 | Active | Sioux Falls |
| OPTIMAL SEMICONDUCTOR CORP | DB180087 | 2020-04-17 | Dissolved | SIOUX FALLS |
| Optimal Source Management LLC | DL288428 | 2024-12-07 | Active | Sioux Falls |
| Optimal Speech Pathology, LLC | DL225722 | 2022-04-25 | Dissolved | WATERTOWN |
| Optimal Success II, Inc. | DB130499 | 2017-02-09 | Dissolved | WATERTOWN |
| Optimal Success, Inc. | DB061106 | 2016-09-06 | Dissolved | Benson |
| Optimal Tan, LLC | DL291942 | 2025-01-28 | Active | Mitchell |
| OptimalAg Solutions LLC | DL237900 | 2022-11-03 | Inactive | DES MOINES |
| Optimax Incorporated | FB150515 | 2018-06-29 | Active | Cheyenne |
| OPTIME CARE INC. | FB039430 | 2016-07-12 | Active | EARTH CITY |
| OPTIMISM LLC | DL169664 | 2019-09-04 | Active | Brooklyn |
| OPTIMIST CLUB OF CANTON | NS007747 | 1983-12-27 | Inactive | — |
| OPTIMIST CLUB OF CROOKS, INC. | NS008130 | 1985-06-17 | Inactive | — |
| OPTIMIST CLUB OF MITCHELL, INC. | NS006619 | 1978-11-29 | Inactive | — |
| OPTIMIST CLUB OF SIOUX VALLEY, SIOUX FALLS, SOUTH DAKOTA | NS006075 | 1976-08-26 | Inactive | — |
| OPTIMIST CLUB OF VERMILLION, SOUTH DAKOTA | NS008333 | 1986-07-09 | Dissolved | — |
| OPTIMIST FOUNDATION OF SIOUX FALLS | NS009006 | 1989-08-03 | Inactive | — |
| Optimize Cyber Security LLC | DL304508 | 2025-07-11 | Active | Harrisburg |
| Optimize Electric, Inc. | DB180020 | 2020-04-16 | Dissolved | SALEM |
| Optimize Properties, LLC | DL233603 | 2022-09-01 | Active | Salem |
| Optimized Investments LLC | DL270224 | 2024-03-07 | Dissolved | Warner |
| Optimum Canthus Elite LLC | DL325061 | 2026-04-02 | Active | Tea |
| Optimum Electric LLC | DL317053 | 2026-01-02 | Active | Hartford |
| OPTIMUM EMPLOYER SOLUTIONS LLC | FL238620 | 2022-11-14 | Active | SANTA ANA |
| Optimum Energy Homes, Inc. | DB131192 | 2017-03-02 | Dissolved | SIOUX FALLS |
| OPTIMUM FITNESS TRAINING, LLC | DL023781 | 2011-02-14 | Dissolved | SIOUX FALLS |
| Optimum Football Training LLC | DL257108 | 2023-08-21 | Active | Sioux Falls |
| Optimum Holdings, LLC | DL234080 | 2022-09-06 | Active | Rapid City |
| OPTIMUM IMAGING SOLUTIONS, LLC | FL044486 | 2016-07-29 | Active | Cottage Grove |
| Optimum LLC | DL229457 | 2022-06-24 | Inactive | Spearfish |
| Optimum Mental Healthcare Professionals, PLLC | DL234081 | 2022-09-06 | Active | Rapid City |
| OPTIMUM OUTCOMES, INC. | FB035346 | 2011-08-18 | Active | Raleigh |
| OPTIMUM PERFORMANCE CLINIC, INC. | DB052556 | 2007-07-06 | Inactive | SIOUX FALLS |
| OPTIMUM QUALITY GRAINS L.L.C. | FL000325 | 1998-06-16 | Inactive | DES MOINES |
| Optimum Staffing services LLC | FL197970 | 2021-03-05 | Revoked | cincinatti |
| OPTIMUM STAFFING SERVICES LLC | FL250960 | 2023-05-16 | Revoked | cincinatti |
| Optimum Technology, Inc. | FB174139 | 2019-12-10 | Active | POWELL |
| Optimum Wealth Management, LLC | DL045880 | 2015-11-17 | Active | Pierre |
| OPTIMUS CORPORATION | FB009985 | 1984-12-21 | Revoked | OMAHA |
| Optimus Equity LLC | DL274182 | 2024-05-02 | Dissolved | Watertown |
| Optimus LLC | DL327664 | 2026-05-01 | Active | Watertown |
| OPTIMUS PROPERTIES, L.L.C. | DL031142 | 2013-01-30 | Dissolved | SIOUX FALLS |
| OPTIMUS SOLUTIONS, INC. | FB181593 | 2020-05-14 | Active | LOUISVILLE |
| OPTIMUSGO LLC | DL277400 | 2024-06-20 | Inactive | SIOUX FALLS |
| OptimyHealth, LLC | DL282149 | 2024-09-01 | Active | Acton |
| Optio LLC | FL307819 | 2025-08-22 | Active | ROCHESTER |
| OPTIO SOLUTIONS LLC | FL003434 | 2007-04-11 | Active | PETALUMA |
| Option 1 Nutrition Solutions, LLC | FL170383 | 2019-09-18 | Active | Atlanta |
| OPTION 1 NUTRITION SOLUTIONS, LLC | FL043747 | 2015-08-27 | Inactive | Atlanta |
| OPTION CARD, LLC | FL001545 | 2003-03-26 | Inactive | ENGLEWOOD |
| OPTION CARE ENTERPRISES, INC. | FB026997 | 2003-01-30 | Active | BANNOCKBURN |
| Option One Auto, LLC | DL041772 | 2015-01-14 | Active | RAPID CITY |
| OPTION ONE INSURANCE AGENCY, INC. | FB022926 | 1999-09-07 | Inactive | IRVINE |
| OPTION ONE LLC | DL016829 | 2008-06-26 | Active | Sioux Falls |
| OPTION ONE MORTGAGE CORPORATION | FB016869 | 1994-04-22 | Inactive | IRVINE |
| OPTION ONE MORTGAGE SERVICES, INC. | FB022228 | 1999-02-01 | Inactive | IRVINE |
| Option One Properties, LLC | DL048876 | 2016-06-13 | Active | Sioux Falls |
| OPTION SUPPLY, INC. | DB037784 | 1996-10-23 | Active | SIOUX FALLS |
| Optional Photography LLC | DL276784 | 2024-06-12 | Active | Rapid City |
| Optioneer LLC | DL295748 | 2025-03-18 | Active | Pierre |
| OPTIONMED, INC. | FB027088 | 2003-03-06 | Inactive | DEERFIELD |
| Options Anomalies Corp | DB323511 | 2026-03-16 | Active | Watertown |
| Options Trading Unlimited, LLC | DL163820 | 2019-04-28 | Suspended | Spearfish |
| Options Unlimited LLC | DL295615 | 2025-03-17 | Active | Custer |
| Options, Inc. | DB060600 | 2016-01-07 | Dissolved | SIOUX FALLS |
| OPTIV SECURITY INC. | FB038657 | 2015-07-02 | Active | Denver |
| OPTIV SERVICES LLC | FL329910 | 2026-05-29 | Active | LEAWOOD |
| OPTOMETRIC ASSOCIATES WILLIAM J. AIREY, O.D. - PHILIP M. SAVAGE, O.D. | 19200011D | 1920-02-14 | Dissolved | — |
| OPTOMETRIC CLINIC, P.C. | DB020538 | 1981-04-02 | Dissolved | — |
| OPTON INSURANCE AGENCY INC. | FB154520 | 2018-09-28 | Active | SCHAUMBURG |
| Optum Behavioral Care of Ohio, Inc. | FB255305 | 2023-07-24 | Active | Omaha |
| OPTUM FINANCIAL, INC. | FB034525 | 2010-07-26 | Active | Eden Prairie |
| OPTUM GOVERNMENT SOLUTIONS, INC. | FB027735 | 2003-09-24 | Active | Eden Prairie |
| OPTUM GROUP, LLC | FL001108 | 2001-11-19 | Inactive | GOLDEN VALLEY |
| Optum Health Networks, Inc. | FB229890 | 2022-06-30 | Active | Eden Prairie |
| OPTUM INFUSION SERVICES 550, LLC | FL005586 | 2011-03-17 | Active | CINCINNATI |
| OPTUM PUBLIC SECTOR SOLUTIONS, INC. | FB031151 | 2006-11-17 | Active | La Crosse |
| OPTUM SERVICES (PUERTO RICO) LLC | FL226922 | 2022-05-12 | Active | — |
| OPTUM SERVICES, INC. | FB037123 | 2013-11-01 | Active | Eden Prairie |
| OPTUM WOMEN'S AND CHILDREN'S HEALTH, LLC | FL004473 | 2009-03-03 | Active | Atlanta |
| OPTUM360 SERVICES, INC. | FB037262 | 2013-12-09 | Active | Eden Prairie |
| OPTUM360, LLC | FL042081 | 2013-10-11 | Active | Eden Prairie |
| OPTUMHEALTH BEHAVIORAL SOLUTIONS, INC. | FB034020 | 2009-12-18 | Inactive | SAN FRANCISCO |
| OPTUMHEALTH CARE SOLUTIONS, INC. | FB022516 | 1999-05-10 | Inactive | GOLDEN VALLEY |
| OPTUMHEALTH CARE SOLUTIONS, INC. | FB034015 | 2009-12-17 | Inactive | GOLDEN VALLEY |
| OPTUMHEALTH CARE SOLUTIONS, LLC | FL131527 | 2017-03-14 | Active | Eden Prairie |
| OPTUMHEALTH SPECIALTY BENEFITS, INC. | FB034029 | 2009-12-23 | Inactive | COLUMBIA |
| OPTUMHEALTH, INC. | FB022186 | 1999-01-15 | Inactive | MINNETONKA |
| OPTUMINSIGHT, INC. | FB019694 | 1997-01-06 | Active | EDEN PRAIRIE |
| OPTUMINSIGHT, INC. | RS005633 | — | Active | — |
| OPTUMRX PBM OF ILLINOIS, INC. | FB026886 | 2002-12-23 | Active | EDEN PRAIRIE |
| OPTUMRX PBM OF MARYLAND, INC. | FB030430 | 2006-03-07 | Inactive | SCHAUMBURG |
| OPTUMRX PBM OF MARYLAND, LLC | FL129696 | 2017-01-13 | Active | Eden Prairie |
| OPTUMRX PD OF MARYLAND, INC. | FB032707 | 2008-06-12 | Inactive | Schaumburg |
| OPTUMRX, INC. | FB032675 | 2008-05-22 | Active | Eden Prairie |
| OPTUMRX, INC. | RS005634 | — | Active | — |
| OPTUMSERVE HEALTH SERVICES, INC. | FB034037 | 2009-12-28 | Active | LaCrosse |
| OPTUS, INC. | FB035000 | 2011-03-07 | Active | JONESBORO |
| Opulence Infused Life LLC | DL184732 | 2020-07-20 | Dissolved | Gulf Breeze |
| Opus A Records LLC | DL010652 | 2006-02-02 | Active | — |
| Opus ABA LLC | DL320693 | 2026-02-12 | Active | ABERDEEN |
| OPUS AE GROUP, INC. | FB034584 | 2010-08-24 | Inactive | MINNETONKA |
| OPUS AE GROUP, L.L.C. | FL006648 | 2013-01-04 | Revoked | MINNETONKA |
| OPUS ARCHITECTS & ENGINEERS, INC. | FB019303 | 1996-09-10 | Revoked | MINNETONKA |
| OPUS ARCHITECTS & ENGINEERS, INC. | FB013518 | 1990-04-13 | Revoked | MINNETONKA |
| OPUS CORPORATION | DB044976 | 2002-01-17 | Inactive | — |
| OPUS CROWNE MANAGEMENT LLC | DL224220 | 2022-04-05 | Dissolved | Sioux Falls |
| OPUS DEVELOPMENT COMPANY, L.L.C. | FL006657 | 2013-01-09 | Active | MINNETONKA |
| OPUS DEVELOPMENT CORPORATION | FB034659 | 2010-09-28 | Inactive | ROSEMONT |
| OPUS FINANCIAL, L.L.C. | FL002499 | 2005-07-29 | Revoked | MINNETONKA |
| OPUS HOME LOANS, INC | FB322445 | 2026-03-04 | Active | BLOOMFIELD HILLS |
| Opus LLC | DL143646 | 2018-02-07 | Dissolved | Sioux Falls |
| OPUS NORTHWEST CONSTRUCTION CORPORATION | FB004281 | 1973-02-28 | Inactive | MINNETONKA |
| OPUS NORTHWEST MANAGEMENT, L.L.C. | FL000106 | 1996-01-19 | Inactive | MINNETONKA |
| OPUS NORTHWEST, L.L.C. | FL000030 | 1994-11-17 | Revoked | ARDEN HILLS |
| OPUS PRIZE FOUNDATION | NS010210 | 1994-11-10 | Active | SIOUX FALLS |
| OPUS PROPERTIES, INC. | DB026009 | 1987-01-07 | Inactive | — |
| OPUS PROPERTY SERVICES, L.L.C. | FL004538 | 2009-04-16 | Revoked | MINNETONKA |
| OPUS U.S. CORPORATION | FB011681 | 1987-09-11 | Inactive | MINNEAPOLIS, |
| OPUS U.S., L.L.C. | FL000082 | 1995-09-20 | Inactive | WILMINGTON |
| Opus Veritas LLC | DL178620 | 2020-03-11 | Active | Eureka Springs |
| OPUSING LLC | FL280020 | 2024-07-31 | Active | BOSTON |
| OPUSTONE REAL ESTATE LIMITED PARTNERSHIP | DP174646 | 2019-12-19 | Active | MIAMI |
| OPW FUEL MANAGEMENT SYSTEMS, INC. | FB190538 | 2020-11-02 | Revoked | HODGKINS |
| OPW Fuel Management Systems, LLC | FL262119 | 2023-11-07 | Active | Austin |
| OPW INVESTMENTS LLC | DL028753 | 2012-07-09 | Dissolved | BLACK HAWK |
| OPY USA Inc | FB206382 | 2021-07-13 | Revoked | San Diego |
| Oquendo Tax Services LLC | DL290053 | 2025-01-01 | Active | Watertown |
| OQUOSSOC ANGLING ASSOCIATION | 18790001ND | 1879-02-11 | Active | — |
| OQUOSSOC UNION PARISH | 19170012N | 1917-09-28 | Active | — |
| OR Consulting, LLC | DL328490 | 2026-05-12 | Active | Sioux Falls |
| OR Krew, LLC | DL132188 | 2017-04-04 | Dissolved | SPEARFISH |