| COLEBROOK MANOR, INCORPORATED | — | D00119719 | 1949-11-15 | Dissolved | SILVER SPRING |
| COLMAR MANOR POST NO. 131, THE AMERICAN LEGION, INCORPORATED | — | D00224972 | 1949-05-20 | Active | COLMAR MANOR |
| COLUMBIA ACCEPTANCE CORPORATION | — | D00039024 | 1949-07-20 | Dissolved | BALTIMORE |
| COMMERCIAL PROPERTIES COMPANY, INC. | — | D00073700 | 1949-11-21 | Dissolved | BALTIMORE |
| CONSOLIDATED CONSTRUCTION COMPANY, INC. | — | D00074948 | 1949-02-16 | Suspended | BALTIMORE |
| COPLEY REALTY, INC | — | D00075713 | 1949-09-30 | Suspended | BALTIMORE |
| CRANE RENTAL COMPANY, INC | — | F00020560 | 1949-04-18 | Suspended | CAPITOL HEIGHTS |
| CROSS COUNTRY MANOR, INC. | — | D00077545 | 1949-04-14 | Dissolved | BALTIMORE |
| DAMASCUS POST NO. 171, THE AMERICAN LEGION, DEPARTMENT OF MARYLAND, INCORPORATED | — | D00375642 | 1949-06-27 | Active | DAMASCUS |
| DARLINGTON VOLUNTEER FIRE COMPANY, INCORPORATED | — | D00079392 | 1949-05-02 | Active | DARLINGTON |
| DAVIS LIBRARY, INCORPORATED | — | D00079897 | 1949-01-31 | Suspended | WESTMINSTER |
| DIGNAN TRUCKING, INC. | — | D00227207 | 1949-02-09 | Suspended | HOWARD COUNTY BALTIMORE |
| DISABLED AMERICAN VETERANS, DEPARTMENT OF MARYLAND, INCORPORATED | — | D00081927 | 1949-07-22 | Active | BALTIMORE |
| DISPLAY CRAFT MFG. CO. INC. | — | D00081992 | 1949-06-22 | Merged | BALTIMORE COUNTY BALTIMORE |
| DODDER MUTUAL INSURANCE AGENCY & CO., INC. | — | D00082529 | 1949-04-05 | Merged | BETHESDA |
| DOLFIELD DEMOCRATIC CLUB, INC. | — | D02575017 | 1949-09-30 | Suspended | BALTIMORE |
| DOXSEE FOOD CREDIT UNION | — | D00512152 | 1949-08-19 | Suspended | |
| DUNDALK FREE METHODIST CHURCH OF NORTH AMERICA, INC | — | D00086504 | 1949-10-25 | Active | DUNDALK |
| DUNDALK LUMBER COMPANY, INC. | — | D00086553 | 1949-12-28 | Suspended | DUNDALK |
| EARLBECK CORPORATION | — | D00089029 | 1949-05-27 | Active | BALTIMORE |
| EASCO-DELAWARE CORPORATION | — | F00036939 | 1949-01-06 | Suspended | BALTIMORE |
| ECKHART METHODIST CHURCH, ECKHART, MARYLAND | — | D00093096 | 1949-07-15 | Suspended | ECKHART |
| EDWARD B. FRIEL, INC. | — | D00230920 | 1949-04-01 | Suspended | SILVER SPRING |
| EGRET, INC. | — | D00165464 | 1949-10-25 | Suspended | BALTIMORE |
| ELECTRICAL CONTRACTORS ASSOCIATION OF BALTIMORE COUNTY, INCORPORATED | — | D00332072 | 1949-05-11 | Active | TOWSON |
| ELLIS FINKELSTEIN, INC | — | D00100917 | 1949-12-16 | Active | BALTIMORE |
| ELM-BETHESDA CORPORATION | — | D00095992 | 1949-07-08 | Dissolved | GAITHERSBURG |
| ENGINEERING MATERIALS CORPORATION | — | D00096610 | 1949-04-04 | Suspended | BALTIMORE |
| ESTHER E. GRINAGE KINDERGARTEN ASSOCIATION, INC. | — | D00113860 | 1949-06-17 | Dissolved | FREDERICK |
| EUDIST FATHERS OF THE CONGREGATION OF JESUS AND MARY, INC | — | D00097592 | 1949-12-15 | Suspended | HYATTSVILLE |
| EVANGELISTIC TEMPLE, INCORPORATED | — | D00097899 | 1949-09-09 | Suspended | |
| EVCO, INC | — | D00098053 | 1949-09-09 | Active | RANDALLSTOWN |
| EVELYN HILL CORP | — | D00094409 | 1949-01-06 | Active | BALTIMORE |
| F. C. JULIO BROS., INC | — | D00463950 | 1949-09-16 | Suspended | RANDALLSTOWN |
| FAMILY REAL ESTATE AND MORTGAGE COMPANY | — | D00099499 | 1949-11-10 | Suspended | BALTO. |
| FEDERAL FUEL COMPANY, INC. | — | D00207258 | 1949-02-28 | Dissolved | BALTIMORE |
| FELDMAN BROS. OF POCOMOKE, INC. | — | D00100107 | 1949-02-28 | Suspended | POCOMOKE |
| FINE FOODS, INC. | — | D00100842 | 1949-10-06 | Suspended | FREDERICK |
| FINKELSTEIN DEPARTMENT STORE, INC. | — | D00100909 | 1949-12-16 | Suspended | TOWSON |
| FLEMING AND SHEELEY, INC | — | D00102467 | 1949-07-26 | Suspended | BALTIMORE |
| FOELL BROTHERS, INC. | — | D00102749 | 1949-09-26 | Suspended | BALTO. |
| FORD, BACON & DAVIS, INCORPORATED | — | F00241141 | 1949-08-19 | Suspended | CLIFTON |
| FRANKIE WILSON & SONS, INC | — | D00246140 | 1949-01-03 | Active | LINTHICUM HEIGHTS |
| FRANKLIN PARK HOTEL, INC. | — | D00104174 | 1949-07-08 | Suspended | BALTIMORE |
| FRED S. AND CELIA KOGOD FOUNDATION, INC | — | D00141689 | 1949-11-15 | Active | BETHESDA |
| FREDERICK GAS COMPANY, INC. | — | D00512665 | 1949-10-14 | Merged | FREDERICK |
| FRIENDLY FINANCE CORPORATION | — | D00039131 | 1949-10-13 | Active | OWINGS MILLS |
| FT. HOWARD COMMUNITY CHURCH, INC | — | D00103374 | 1949-06-16 | Active | FT HOWARD |
| FUNKSTOWN ROD AND GUN CLUB, INCORPORATED | — | D00106310 | 1949-05-18 | Active | FUNKSTOWN |
| G F S REALTY, INC | — | F00027060 | 1949-01-03 | Dissolved | WASHINGTON |