| ATON TITLE COMPANY, LLC | — | LC0066713 | 2002-06-19 | Canceled | SPRINGFIELD |
| ATON-LUCE ELECTRIC COMPANY, INC. | — | 00066457 | 1945-10-26 | Canceled | SPRINGFIELD |
| ATON-LUCE-LEIDY ELECTRIC COMPANY, INC. | — | 00043197 | 1924-10-21 | Dissolved | SPRINGFIELD |
| ATONEMENT EARLY LEARNING CENTER LLC | — | LC014657763 | 2025-08-19 | Active | Lees Summit |
| ATONEMENT PRODUCTIONS, LLC | — | LC0067086 | 2002-06-26 | Active | CHILHOWEE |
| ATONIA LLC | — | LC014343613 | 2021-12-27 | Active | Joplin |
| ATOOZ LLC | — | LC014460580 | 2023-05-01 | Active | Arnold |
| ATOP Note Shoppe LLC | — | LC0530539 | 2003-07-10 | Active | Hollister |
| ATOP PROPERTIES, LLC | — | LC014523232 | 2024-01-30 | Active | Bowling Green |
| ATOP PROPERTY SHOPPE LLC | — | LC0028773 | 1999-06-09 | Active | Forsyth |
| ATOP, LLC | — | LC1101893 | 2010-11-30 | Active | Saint Louis |
| ATOS APPLICATION MANAGEMENT SERVICES, LLC | — | FL1219614 | 2012-04-10 | Active | JEFFERSON CITY |
| ATOS HEALTHCARE SERVICES, LLC | — | FL001412379 | 2015-03-05 | Canceled | JEFFERSON CITY |
| ATOS IT OUTSOURCING SERVICES, LLC | — | FL001412495 | 2015-03-04 | Active | JEFFERSON CITY |
| ATOS MEDICAL INC. | — | F00825869 | 2007-06-21 | Active | JEFFERSON CITY |
| ATOS ORIGIN IT SERVICES INC. | — | F00320767 | 1988-10-26 | Dissolved | Jefferson City |
| ATOS OUTSOURCING SOLUTIONS, LLC | — | FL1305545 | 2013-04-09 | Merged | Jefferson City |
| ATOS PUBLIC SAFETY, LLC | — | FL001420438 | 2017-06-08 | Active | JEFFERSON CITY |
| ATOS RESTAURANT TECHNOLOGY SERVICES, LLC | — | FL001423698 | 2018-04-12 | Active | JEFFERSON CITY |
| ATOS SOLUTIONS, INC. | — | F001436324 | 2026-04-27 | Active | Jefferson City |
| ATOS SYNTEL INC. | — | F001332051 | 2019-05-02 | Active | Jefferson City |
| ATOS TECHNOLOGIES USA, LLC | — | FL001698223 | 2023-04-13 | Canceled | Jefferson City |
| ATOSH LOGISTICS LLC | — | LC1732150 | 2020-09-17 | Active | Kansas City |
| ATOTECH INC. | — | F00349536 | 1991-02-04 | Dissolved | ST. LOUIS |
| ATOTECH MANUFACTURING, INC. | — | F001431058 | 2024-05-16 | Active | Rolla |
| ATOTECH USA INC. | — | F00377527 | 1993-03-01 | Withdrawn | Jefferson City |
| ATOTECH USA, LLC | — | FL001419984 | 2017-04-26 | Active | Rolla |
| ATOW Enterprises, LLC | — | LC001429610 | 2014-12-29 | Active | Ellisville |
| ATOYAC LLC | — | LC014610041 | 2025-02-13 | Active | Clinton |
| ATOYCO, INC. | — | CC0440071 | 1997-04-17 | Dissolved | KANSAS CITY |
| ATOZ KIDZ LLC | — | LC014641141 | 2025-06-17 | Active | Saint Louis |
| ATOZ REALTY & INVESTMENT COMPANY | — | 00028082 | — | Dissolved | |
| ATOZ SALES LLC | — | LC014659314 | 2025-08-26 | Active | Brookline |
| ATP ALL CONSTRUCTION, LLC | — | LC014643934 | 2025-06-30 | Active | FLORISSANT |
| ATP Broadcast LLC | — | LC001603791 | 2018-08-07 | Active | Harrisonville |
| ATP CAPITAL, LLC | — | LC014496776 | 2023-09-28 | Active | Cottleville |
| ATP CREATIONS, LLC | — | LC001631474 | 2019-02-08 | Active | Anderson |
| ATP Construction Company LLC | — | LC0791976 | 2007-01-26 | Active | Independence |
| ATP Construction Partners LLC | — | LC001663815 | 2019-08-20 | Active | Columbia |
| ATP Distributing LLC | — | LC0975860 | 2009-06-17 | Active | Benton |
| ATP ELITE TRANSPORT LLC | — | LC014627299 | 2025-04-22 | Dissolved | Jefferson City |
| ATP ENTERPRISES, L.L.C. | — | LC0015524 | 1997-10-20 | Active | WOOLDRIDGE |
| ATP Group, LLC | — | LC1383353 | 2014-03-07 | Active | Lebanon |
| ATP Helping Hands Fund, Inc. | — | N000707061 | 2017-12-22 | Active | Cape Girardeau |
| ATP Homes, LLC | — | LC001561316 | 2017-10-26 | Active | Warrensburg |
| ATP L.L.C. | — | LC1126650 | 2011-03-15 | Active | Fenton |
| ATP RESTORATION, LLC | — | FL001420449 | 2017-06-09 | Active | Kansas City |
| ATP Real Estate, L.L.C. | — | LC0618410 | 2004-10-25 | Active | Cape Girardeau |
| ATP Solutions LLC | — | LC1721875 | 2020-08-03 | Active | camdenton |
| ATP TRAINING LLC | — | LC014720682 | 2026-03-30 | Active | Saint Peters |
| ATP TRUCKING COMPANY, INC. | — | 00282756 | 1985-11-25 | Dissolved | ADVANCE |
| ATP Trans LLC | — | LC001577922 | 2018-02-20 | Active | Saint Louis |
| ATP Transcription Services, LLC | — | LC0608066 | 2004-08-26 | Active | O Fallon |
| ATP WASHING LLC | — | LC014577372 | 2024-09-17 | Active | Grandview |
| ATP2K, LLC | — | LC1005335 | 2009-10-21 | Active | St Charles |
| ATPA LLC | — | LC001670289 | 2019-10-01 | Active | Saint Louis |
| ATPAC-GULF CORPORATION | — | 00109736 | 1963-07-18 | Revoked | CLAYTON |
| ATPF, Inc. | — | 001365813 | 2015-03-18 | Dissolved | O Fallon |
| ATPG LLC | — | LC014518688 | 2024-01-10 | Canceled | Kansas City |
| ATPOPE LLC | — | LC014543881 | 2024-04-21 | Active | HARRISONVILLE |
| ATQ, LLC | — | LC014403487 | 2022-09-02 | Active | Saint Louis |
| ATQI Ventures LLC #4 | — | LC1767636 | 2021-03-03 | Active | Kansas City |
| ATR ADVENTURES LLC | — | LC001612206 | 2018-10-03 | Active | AVA |
| ATR AVIATION, INC. | — | 00112102 | 1964-03-16 | Revoked | KANSAS CITY |
| ATR Brent, LLC | — | LC001651620 | 2019-06-06 | Active | St. Louis |
| ATR Chris, LLC | — | LC1726446 | 2020-08-21 | Active | St. Louis |
| ATR Contracting, LLC | — | LC001565634 | 2017-11-30 | Active | Belton |
| ATR DIRECT LLC | — | LC014555370 | 2024-06-09 | Active | O'Fallon |
| ATR DIRT WORKS LLC | — | LC1789922 | 2021-05-24 | Active | AVA |
| ATR ENTERPRISES, LLC | — | LC0060464 | 2002-01-29 | Active | CAMDENTON |
| ATR EXPRESS LLC | — | LC1313093 | 2013-05-10 | Active | BEAUFORT |
| ATR Enterprise, LLC | — | LC014352256 | 2022-01-30 | Active | Saint Louis |
| ATR Fabrication llc | — | LC001580028 | 2018-03-05 | Active | Saint Peters |
| ATR Farms, LLC | — | LC001475892 | 2016-01-20 | Active | Perryville |
| ATR GROUP LLC | — | LC014606925 | 2025-01-31 | Active | Ballwin |
| ATR HAULING, LLC | — | LC014511965 | 2023-12-11 | Active | Columbia |
| ATR Hand Therapy, LLC | — | LC0733531 | 2006-04-24 | Active | St. Louis |
| ATR Holding Group LLC | — | LC014383336 | 2022-06-03 | Active | Kansas City |
| ATR Homes LLC | — | LC1226033 | 2012-05-07 | Active | O'Fallon |
| ATR Investments LLC | — | LC1012408 | 2009-11-23 | Active | St. Louis |
| ATR JARZ LLC | — | LC014759868 | 2026-07-22 | Active | Saint Louis |
| ATR JOHN, LLC | — | LC014717865 | 2026-03-20 | Active | ST. LOUIS |
| ATR JON, LLC | — | LC014715189 | 2026-03-12 | Canceled | ST. LOUIS |
| ATR Justin, LLC | — | LC001650943 | 2019-06-03 | Active | St. Louis |
| ATR LIGHTING ENTERPRISES, INC. | — | 00316660 | 1988-06-27 | Active | Richland |
| ATR LINK LLC | — | LC014689668 | 2025-12-23 | Active | Camdenton |
| ATR Lighting West, Inc. | — | 00696710 | 2005-11-09 | Active | Richland |
| ATR Logistics LLC | — | LC014352882 | 2022-02-02 | Active | Saint Louis |
| ATR MORGAN, LLC | — | LC014596231 | 2024-12-16 | Active | Saint Louis |
| ATR NORTH AMERICA, INC. | — | F00468909 | 1999-04-27 | Dissolved | Jefferson City |
| ATR PUBLISHING, INC. | — | 00491451 | 2000-12-27 | Dissolved | EUREKA |
| ATR Ryan, LLC | — | LC1354028 | 2013-11-05 | Active | St. Louis |
| ATR TRANSPORT LLC | — | LC1373185 | 2014-01-29 | Active | BEAUFORT |
| ATR Thrive, LLC | — | LC001603270 | 2018-08-03 | Active | Saint Louis |
| ATR Tony, LLC | — | LC001478761 | 2016-02-10 | Active | St. Louis |
| ATR Transportation LLC | — | LC014363262 | 2022-03-14 | Active | SPRINGFIELD |
| ATR, LLC | — | LC001463968 | 2015-10-06 | Active | Columbia |
| ATR,L L C | — | LC001539702 | 2017-05-16 | Active | St Charles |
| ATR-HAKE, LLC | — | LC001417549 | 2014-09-02 | Active | St. Louis |
| ATR-JEFF, LLC | — | LC001417546 | 2014-09-02 | Active | St. Louis |
| ATR-TC, LLC | — | LC1303409 | 2013-04-02 | Active | St. Louis |
| ATR/ PRESSCO, LLC | — | LC0820709 | 2007-06-04 | Active | St. Louis |
| ATR/JWA, INCORPORATED | — | 00408416 | 1995-03-08 | Dissolved | KANSAS CITYT. |
| ATRA & ROLLINS LLC | — | LC0080863 | 2003-03-31 | Active | BRANSON |
| ATRA DATA, INC. | — | 00311120 | 1988-01-29 | Active | Lake Ozark |
| ATRAARORA LLC | — | LC014553943 | 2024-06-03 | Active | Kansas City |
| ATRAHASIS INC | — | N001704425 | 2026-04-09 | Active | Joplin |
| ATRAHSIS LABS LLC | — | LC014726274 | 2026-04-16 | Active | Joplin |
| ATRAK GROUP, LLC | — | LC1019710 | 2009-12-17 | Active | St. Louis |
| ATRANS2 INC. | — | 001420784 | 2020-11-05 | Dissolved | Harrisonville |
| ATRAX PROMOTION LLC | — | LC014504707 | 2023-11-06 | Active | |
| ATRAX PROPERTIES, L.L.C. | — | LC0012090 | 1996-03-27 | Active | ST. LOUIS |
| ATRB LLC | — | LC001544159 | 2017-06-20 | Active | Columbia |
| ATRC LLC | — | LC1247841 | 2012-08-09 | Active | St. Louis |
| ATRE INVESTMENTS, LLC | — | FL001699693 | 2023-07-13 | Active | Saint Louis |
| ATRE OZARK COUNTY LLC | — | LC014715797 | 2026-03-14 | Active | CAPE GIRARDEAU |
| ATREA DEVELOPMENT CORPORATION | — | 00199270 | 1978-03-23 | Revoked | ST. LOUIS |
| ATREDIS HEAVY INDUSTRIES, INC. | — | 001648869 | 2024-05-17 | Active | Jefferson City |
| ATREIDES CONSULTING LLC | — | LC014567914 | 2024-08-05 | Active | St. Louis |
| ATREK Development, LLC | — | LC0719348 | 2006-02-23 | Active | Kansas City |
| ATREX, INC. | — | F00462753 | 1998-11-23 | Dissolved | FENTON |
| ATREYU LLC | — | LC014375498 | 2022-04-29 | Active | Springfield |
| ATRIA MANAGEMENT COMPANY, LLC | — | FL1281206 | 2013-01-08 | Active | JEFFERSON CITY |
| ATRIA MANAGEMENT COMPANY, LLC | — | FL0074633 | 2002-12-09 | Canceled | Jefferson City |
| ATRIA RETIREMENT AND ASSISTED LIVING, VILLA VENTURA, LLC | — | FL0066293 | 2002-06-10 | Canceled | CLAYTON |
| ATRIA, INC. | — | F00429975 | 1996-08-13 | Dissolved | Jefferson City |
| ATRIARK, INC. | — | F001328310 | 2017-10-23 | Dissolved | Jefferson City |
| ATRIAX, L.L.C. | — | FL001427653 | 2019-04-08 | Active | Harrisonville |
| ATRIGLO, LLC | — | LC014664939 | 2025-09-16 | Active | Chesterfield |
| ATRILOGY SOLUTIONS GROUP, INC. | — | F001326591 | 2017-01-24 | Withdrawn | Jefferson City |
| ATRINITY PROMOTIONS, LLC | — | LC0081403 | 2003-04-07 | Active | ST LOUIS |
| ATRIO T. V. SERVICE, INC. | — | 00102359 | 1961-05-24 | Revoked | KANSAS CITY |
| ATRIO, INC. | — | 00511499 | 2002-07-31 | Dissolved | Jefferson City |
| ATRIUM ASSOCIATES, L.P. | — | LP0001083 | 1988-01-29 | Dissolved | ST. LOUIS |
| ATRIUM COMPANIES, INC. | — | F00459832 | 1998-08-28 | Dissolved | Jefferson City |
| ATRIUM CONSTRUCTION INVESTMENT CORPORATION | — | 00396006 | 1994-05-13 | Dissolved | ST. LOUIS |
| ATRIUM CONSULTING, LLC | — | FL0052626 | 2001-06-29 | Active | SPRINGFIELD |
| ATRIUM DEVELOPMENT MO, LLC | — | FL001712606 | 2025-09-29 | Active | Saint Louis |
| ATRIUM FINANCE I, LP | — | LF0688092 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM FINANCE II, LP | — | LF0688095 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM FINANCE III, LP | — | LF0688099 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM FINANCE IV, LP | — | LF0688100 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM GALLERY, LTD. | — | 00291545 | 1986-07-24 | Dissolved | St. Louis |
| ATRIUM MANAGEMENT, INC. | — | 00259299 | 1983-12-21 | Dissolved | ST. JOSEPH |
| ATRIUM MEDICAL STAFFING LLC | — | FL1434916 | 2021-02-08 | Canceled | Jefferson City |
| ATRIUM OMNIWORKS LLC | — | FL001713436 | 2025-10-09 | Active | Saint Louis |
| ATRIUM ON THE PLAZA CONDOMINIUM ASOCIATION, INC. | — | N00053266 | 1995-11-03 | Active | Saint Louis |
| ATRIUM PARTNERS, L.L.C. | — | LC0011017 | 1997-01-21 | Active | BALLWIN |
| ATRIUM PAYROLL SERVICES LLC | — | FL1399823 | 2014-05-05 | Active | Saint Louis |
| ATRIUM PRESS LLC | — | LC014623174 | 2025-04-06 | Active | HARRISONVILLE |
| ATRIUM PROPCO HOLDING COMPANY, LLC | — | FL001710703 | 2025-05-05 | Active | Rolla |
| ATRIUM SALON L.L.C. | — | LC0008732 | 1996-08-09 | Canceled | SPRINGFIELD |
| ATRIUM STAFFING LLC | — | FL001417486 | 2016-08-22 | Active | Saint Louis |
| ATRIUM STAFFING OF NEW JERSEY, L.L.C. | — | FL001420370 | 2017-06-02 | Merged | ST. LOUIS |
| ATRIUM STAFFING SERVICES LTD. | — | F001427797 | 2023-04-03 | Active | Saint Louis |
| ATRIUM TRS I, LP | — | LF0688102 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM TRS II, LP | — | LF0688105 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM TRS III, LP | — | LF0688128 | 2005-09-26 | Active | JEFFERSON CITY |
| ATRIUM TRS IV, LP | — | LF0688107 | 2005-09-28 | Active | JEFFERSON CITY |
| ATRIUM ZEN , LLC | — | LC0574063 | 2004-03-09 | Canceled | JEFFERSO CITY |
| ATRIUMS AT SOHO EAST CONDOMINIUM ASSOCIATION | — | N00621802 | 2004-11-15 | Canceled | KANSAS CITY |
| ATRIUMS AT SOHO WEST CONDOMINIUM ASSOCIATION | — | N00621798 | 2004-11-15 | Active | Saint Louis |
| ATRIUMS DEVELOPMENT CO. | — | 00297875 | 1987-01-20 | Revoked | CAPE GIRARDEAU |
| ATRIWAL PROPERTIES LLC | — | FL001697446 | 2023-02-22 | Active | La Plata |
| ATRIX, INC. | — | CC0783555 | 2006-12-18 | Dissolved | ST LOUIS |
| ATRM Services LLC | — | LC001513756 | 2016-11-09 | Active | Saint Louis |
| ATRO ENGINEERED SYSTEMS, INC. | — | 00299124 | 1987-02-20 | Merged | SULLIVAN |
| ATRO ENGINEERED SYSTEMS, INC. | — | 00510007 | 2002-06-14 | Canceled | St. Clair |
| ATRO LLC | — | FL1433333 | 2020-09-29 | Active | Jefferson City |
| ATRO REAL ESTATE HOLDINGS, LLC | — | LC1384187 | 2014-03-11 | Active | Sullivan |
| ATROAD, INC. | — | F00492779 | 2001-02-01 | Dissolved | Jefferson City |
| ATRODOT LLC | — | LC014762698 | 2026-07-30 | Active | Saint Louis |
| ATRON SOLUTIONS, LLC | — | FL001700254 | 2023-08-18 | Active | Rolla |
| ATRONIC ALARMS, INC. | — | 00240409 | 1982-04-08 | Active | Kansas City |
| ATRSTL TREE SERVICE LLC | — | LC014710266 | 2026-02-25 | Active | Robertsville |
| ATRT, INC. | — | 00372088 | 1992-10-14 | Dissolved | KANSAS CITY |
| ATRUZ LLC | — | LC014488978 | 2023-08-25 | Active | Liberty |
| ATRWHP, LLC | — | LC0770883 | 2006-10-16 | Active | Kansas City |
| ATS - Advanced Technology Solutions, LLC | — | LC001513302 | 2016-11-04 | Active | Granby |
| ATS - Anusic Technology Services, LLC | — | LC014387395 | 2022-06-22 | Active | Saint Louis |
| ATS - T.S ENTERPRISE, LLC | — | FL001706086 | 2024-08-02 | Active | Rolla |
| ATS 2011, LLC | — | LC1167111 | 2011-08-31 | Active | Lees Summit |
| ATS ASSOCIATES, INC. | — | 00517591 | 2003-02-03 | Canceled | NIXA |
| ATS ATHLETICS LLC | — | LC014737450 | 2026-05-19 | Active | Ozark |
| ATS AUTO SERVICE LLC | — | LC014621014 | 2025-03-28 | Active | HARRISONVILLE |
| ATS BUSINESS LLC | — | LC001688871 | 2020-02-06 | Active | ARNOLD |
| ATS BUSINESS SOLUTIONS LLC | — | LC014558113 | 2024-06-20 | Active | HARRISONVILLE |
| ATS CELLULARS SALES AND SERVICE, INC. | — | 00418606 | 1995-11-13 | Dissolved | PLATTE CITY |
| ATS CONTRACTING, INC. | — | 00772994 | 2006-10-23 | Dissolved | Washington |
| ATS CONTRACTORS LLC | — | LC014492773 | 2023-09-12 | Active | Joplin |
| ATS Communications Network Corp. | — | 001364198 | 2014-08-20 | Dissolved | Overland |
| ATS Communications, LLC | — | LC0802497 | 2007-03-16 | Active | Saint Louis |
| ATS Community Consulting LLC | — | LC1750897 | 2020-12-25 | Active | St. Louis |
| ATS Construction LLC | — | LC1770863 | 2021-03-16 | Active | CAPE GIRARDEAU |
| ATS Consulting, LLC | — | LC0799834 | 2007-03-01 | Active | St.Louis |
| ATS Custom Cleaning, LLC | — | LC001453777 | 2015-07-10 | Active | Kansas City |
| ATS DEALERS LLC | — | FL001694261 | 2022-07-26 | Active | Harrisonville |
| ATS Drilling, Inc. | — | F001325007 | 2016-05-13 | Dissolved | Jefferson City |
| ATS ELITE TRUCKING LLC | — | LC014530974 | 2024-03-03 | Active | Saint Charles |
| ATS ENTERPRISE LLC | — | LC014474813 | 2023-06-29 | Active | Kansas City |