| COLE NATIONAL CORPORATION | — | F00019851 | 1951-06-21 | Merged | CLEVELAND |
| COLLIFLOWER, INC | — | D00120089 | 1951-01-11 | Active | Baltimore |
| COLONIAL JEWELERS OF CHESTERTOWN, INC. | — | D00072777 | 1951-03-21 | Suspended | CHESTERTOWN |
| COMMISSIONED OFFICERS ASSOCIATION OF THE UNITED STATES PUBLIC HEALTH SERVICE, INC | — | D02128734 | 1951-10-17 | Active | BALTIMORE |
| CONGREGATION ARUGAT HABOSEM OF BALTIMORE, INC | — | D00074476 | 1951-11-13 | Suspended | BALTIMORE |
| CONGREGATION BETH-EL OF MONTGOMERY COUNTY | — | D00074484 | 1951-09-10 | Active | BETHESDA |
| CONGREGATION HAR TZEON - AGUDATH ACHIM | — | D00083543 | 1951-10-29 | Active | WEST, SILVER SPRING |
| COUNTY CREDIT CORPORATION | — | D00357707 | 1951-08-29 | Dissolved | BALTIMORE COUNTY TOWSON |
| COURT ESTATES, INC. | — | D00076588 | 1951-04-03 | Suspended | BALTIMORE |
| COX KITCHENS AND BATHS, INC | — | D00041178 | 1951-12-21 | Active | BALTIMORE |
| CROPPER & BRITTINGHAM, INCORPORATED | — | D00225995 | 1951-10-22 | Active | BERLIN |
| CUMBERLAND VALLEY VOLUNTEER FIREMAN'S ASSOCIATION | — | F00261370 | 1951-09-13 | Suspended | WAYNESBORO |
| DAVIDSONVILLE UNITED METHODIST CHURCH, INC | — | D00213652 | 1951-09-13 | Active | DAVIDSONVILLE |
| DENITTIS PIZZERIA, INC | — | D00081117 | 1951-05-04 | Suspended | BALTIMORE |
| DEPARTMENT OF MARYLAND, CATHOLIC WAR VETERANS OF THE UNITED STATES OF AMERICA, INC | — | D01305564 | 1951-01-19 | Active | ELLICOTT CITY |
| DEVALE MANAGEMENT CORPORATION | — | D02406817 | 1951-11-27 | Suspended | BALTIMORE |
| DISTRICT ELECTRIC CO. INC. | — | D00082107 | 1951-08-13 | Suspended | EDGEWATER |
| DONNYBROOK CONSTRUCTION CO., INC. | — | D00082800 | 1951-07-10 | Merged | BALTIMORE |
| DORCO FARMS, INC. | — | D00227629 | 1951-11-23 | Merged | CAMBRIDGE |
| DOUGLASS GARDENS ONE, INC. | — | D00227728 | 1951-11-30 | Suspended | MONT. CO WASHINGTON |
| DOUGLASS GARDENS TWO, INC. | — | D00083741 | 1951-11-30 | Suspended | WASHINGTON |
| DRUG FAIR, INC. | — | D00084772 | 1951-05-01 | Merged | BALTIMORE |
| E. L. BRADY & COMPANY, INCORPORATED | — | D00806802 | 1951-11-29 | Suspended | BALTIMORE |
| E. LEHNERT & SONS, INC | — | D00139444 | 1951-12-20 | Suspended | BALTIMORE |
| EASTERN STATES SOILBUILDERS, INC. | — | D00091843 | 1951-01-29 | Suspended | SHARPSBURG |
| EDGAR A. SPIES, INCORPORATED | — | D00201434 | 1951-03-28 | Suspended | RANDALLSTOWN |
| ESTATE OF JOHN H. GEIS, INC. | — | D00107995 | 1951-06-13 | Suspended | BALTIMORE |
| EVANGEL ASSEMBLY OF GOD | — | D00097733 | 1951-10-11 | Active | CAMP SPRINGS |
| FALL LINE COMPANY | — | D00059709 | 1951-07-05 | Dissolved | ROCKVILLE |
| FAMOUS HOME FURNISHINGS, INC. | — | D00099481 | 1951-12-04 | Suspended | TAKOMA PARK |
| FEDERAL MANAGERS ASSOCIATION, CHAPTER NO. 14, INCORPORATED, U.S. COAST GUARD YARD, BALTIMORE, MARYLAND 21226 | — | D00384107 | 1951-09-25 | Suspended | CURTIS BAY |
| FEDERALSBURG POST 5246 VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATED | — | D00375832 | 1951-12-07 | Active | FEDERALSBURG |
| FIRST BAPTIST CHURCH OF CHERRY HILL, BALTIMORE, MARYLAND | — | D00101147 | 1951-05-07 | Active | BALTIMORE |
| FOOD SERVICE EXECUTIVES ASSOCIATION, INCORPORATED | — | D00102913 | 1951-03-08 | Suspended | BALTIMORE |
| FORTY WEST LIONS CLUB, INC | — | D00242537 | 1951-03-22 | Active | BALTIMORE |
| FOX INVESTMENT COMPANY | — | F00019406 | 1951-06-15 | Suspended | WASHINGTON |
| FREDERICK ELECTRONICS CORPORATION | — | D00104539 | 1951-09-26 | Merged | FREDERICK |
| FREE STATE REALTY COMPANY, INC. | — | D00104919 | 1951-04-02 | Suspended | BALTO. |
| FREEDOM SUPER MARKET, INC. | — | D00105031 | 1951-05-21 | Suspended | BALTIMORE |
| FRENCHTOWN TAVERN, INC | — | D00105247 | 1951-11-09 | Suspended | ELKTON |
| FRIENDSVILLE VOLUNTEER FIRE AND RESCUE DEPARTMENT, INC | — | D00225268 | 1951-05-23 | Active | FRIENDSVILLE |
| FULLERTON PHARMACY, INC. | — | D00106146 | 1951-03-06 | Dissolved | BALTO. |
| FUND FOR JOHNS HOPKINS MEDICINE | — | D00089060 | 1951-01-16 | Dissolved | BALTIMORE |
| FUTURE FARMERS OF AMERICA | — | F00002626 | 1951-04-30 | Suspended | WASHINGTON |
| GARLOCK MEMORIAL CONVALESCENT HOME, INC | — | D00107318 | 1951-12-06 | Suspended | HAGERSTOWN |
| GENERAL SALES EXPORT CORPORATION | — | D00108316 | 1951-12-28 | Dissolved | POTOMAC |
| GENSTAR RENTAL ELECTRONICS, INC. | — | F00622811 | 1951-04-25 | Suspended | GAITHERSBURG |
| GEORGE L. SCHNADER, JR., INC | — | D00192609 | 1951-05-02 | Active | BALTIMORE |
| GEORGE OED CO., INC. | — | D00164103 | 1951-08-20 | Suspended | |
| GLAD TIDINGS ASSEMBLY OF GOD, INCORPORATED | — | D00109330 | 1951-09-13 | Active | POCOMOKE CITY |