| THE MOSLER SAFE COMPANY | — | F00354597 | 1949-05-10 | Merged | HAMILTON |
| THE NEW NORTH POINT COMPANY | — | D00524587 | 1949-11-03 | Active | DUNDALK |
| THE NORTH END CIVIC ASSOCIATION, INC | — | D00161877 | 1949-04-20 | Active | FREDERICK |
| THE OCTONARY CLUB, INC. | — | D00163923 | 1949-12-06 | Dissolved | ANNAPOLIS |
| THE PHOENIX MANUFACTURING COMPANY | — | D00172296 | 1949-12-30 | Suspended | BALTIMORE |
| THE PHOENIX REALTY COMPANY | — | D00172304 | 1949-12-30 | Dissolved | OWINGS MILL |
| THE PULASKI LAND COMPANY | — | D00177600 | 1949-08-22 | Active | BALTIMORE |
| THE RALPH C. HELLER FOUNDATION, INC | — | D00091397 | 1949-12-09 | Active | OWINGS MILLS |
| THE RED LION COMPANY | — | D00180042 | 1949-12-30 | Suspended | BALTIMORE |
| THE RIVA VOLUNTEER FIRE DEPARTMENT, INC | — | D00183046 | 1949-10-14 | Merged | RIVA |
| THE ROCK HILL BEACH COMMUNITY ASSOCIATION, INC | — | D00542605 | 1949-01-26 | Active | PASADENA |
| THE ROCKY RIDGE VOLUNTEER FIRE CO | — | D00184614 | 1949-07-18 | Active | ROCKY RIDGE |
| THE SCHWARTZ TAILORING COMPANY, INC. | — | D00193003 | 1949-03-16 | Suspended | BALTIMORE |
| THE SILVER BIT RIDING CLUB, INC. | — | D00197236 | 1949-05-31 | Suspended | JEFFERSON |
| THE SILVER RUN IMPROVEMENT ASSOCIATION, INC. | — | D00387621 | 1949-05-09 | Suspended | WESTMINSTER |
| THE SOCIAL LIST OF WASHINGTON, INCORPORATED | — | D00199471 | 1949-05-02 | Active | KENSINGTON |
| THE TABERNACLE OF THE LORD | — | D00125906 | 1949-11-22 | Active | BALTIMORE |
| THE TANEYTOWN ROD AND GUN CLUB, INC | — | D00388660 | 1949-01-17 | Active | TANEYTOWN |
| THE TOWER CLUB OF BALTIMORE, INC. | — | D00211029 | 1949-11-29 | Suspended | BALTO. |
| THE TRUSTEES OF THE GALILEE BAPTIST CHURCH OF BALTIMORE COUNTY, MARYLAND | — | D06415343 | 1949-04-05 | Suspended | BALTIMORE |
| THE VOLUNTEER FIRE COMPANY OF HALFWAY MARYLAND, INCORPORATED | — | D00260323 | 1949-03-21 | Active | HAGERSTOWN |
| THE WALDORF VOLUNTEER FIRE DEPARTMENT, INC | — | D00220301 | 1949-09-06 | Active | WALDORF |
| THE WESTLAND GARDENS COMPANY | — | D00243295 | 1949-09-01 | Active | BALTIMORE |
| THE WESTMINSTER LODGE NO. 1381, LOYAL ORDER OF MOOSE, INC | — | D00243436 | 1949-05-02 | Active | Baltimore |
| THE WM. D. BOWERS LUMBER COMPANY | — | D00066050 | 1949-11-15 | Suspended | FREDERICK |
| THEATRE CONCESSIONS, INC. | — | D00209023 | 1949-01-07 | Suspended | BALTIMORE |
| THREE NINETEEN WEST PRATT CORPORATION | — | D00251041 | 1949-06-13 | Suspended | BALTIMORE |
| TITO, INC | — | D00210393 | 1949-09-27 | Dissolved | HUNT VALLEY |
| TOBIN PACKING CO., INC | — | F00014365 | 1949-08-12 | Active | ROCHESTER |
| TOWN & COUNTRY SCHOOL AND SUMMER DAY CAMP, INC | — | D00211136 | 1949-04-28 | Suspended | KENSINGTON |
| TRANSCONTINENTAL GAS PIPE LINE CORPORATION | — | F00520163 | 1949-03-07 | Dissolved | HOUSTON |
| TRUSTEES OF THE HARUNDALE COMMUNITY CHURCH PRESBYTERIAN | — | D00391623 | 1949-01-24 | Active | GLEN BURNIE |
| TYPEMASTERS, INC. | — | D00344432 | 1949-06-30 | Suspended | CLINTON |
| UNION CARBIDE CORPORATION | — | F00036046 | 1949-02-25 | Active | Seadrift |
| UNITED CONTRACTORS, INC. | — | D00216614 | 1949-02-18 | Dissolved | BALTIMORE |
| UNIVERSITY UNITED METHODIST CHURCH | — | D00217463 | 1949-12-01 | Active | COLLEGE PARK |
| VARSITY "M" CLUB, INCORPORATED OF MORGAN STATE UNIVERSITY | — | D00980615 | 1949-09-14 | Suspended | BALTIMORE |
| W. A. MARTIN, INC. | — | D01157726 | 1949-06-29 | Suspended | SILVER SPRING |
| WALTHERSON IMPROVEMENT ASSOCIATION OF BALTIMORE CITY, INC | — | D00220764 | 1949-08-22 | Active | BALTIMORE |
| WAYNE APARTMENTS "C" INC | — | D00260539 | 1949-11-30 | Merged | ROCKVILLE |
| WEST HYATTSVILLE CITIZENS ASSOCIATION, INC. | — | D00242651 | 1949-01-17 | Suspended | HYATTSVILLE |
| WESTPORT BUILDING SUPPLY, INCORPORATED | — | D00260620 | 1949-12-06 | Suspended | ANNE ARUNDEL COUNTY BALTIMORE |
| WHALEN & PURDY, INCORPORATED | — | D00243857 | 1949-04-04 | Suspended | KENSINGTON |
| WILLIAM F. AND CAROLINE HILGENBERG FOUNDATION, INC | — | D00094359 | 1949-12-21 | Active | BALTIMORE |
| WINDSOR HILLS NEIGHBORS, INC | — | D00246488 | 1949-05-26 | Active | BALTIMORE |
| WISE OIL & FUEL, INC | — | D00247007 | 1949-03-03 | Dissolved | CAMBRIDGE |
| WOMAN'S CLUB OF COLLEGE PARK, INC | — | D00247452 | 1949-02-04 | Suspended | COLLEGE PARK |
| WOODSBORO LIVESTOCK SALES, INC | — | D00248229 | 1949-03-03 | Suspended | WOODSBORO |
| WORCESTER POST NO. 93, THE AMERICAN LEGION, INCORPORATED | — | D00260851 | 1949-02-09 | Active | POCOMOKE CITY |
| YORK HOTEL, INC. | — | D00249177 | 1949-06-17 | Suspended | BALTIMORE |