| C. J. GRAY CO., LTD. | — | 03200460D | 1905-01-13 | Inactive | NEW ORLEANS |
| CALCASIEU NAVAL STORES COMPANY, LTD. | — | 03800080D | 1905-12-22 | Inactive | NEW ORLEANS |
| CALDWELL DEVELOPMENT COMPANY, LTD. | — | 03400660D | 1905-06-08 | Inactive | LISTED |
| CAMPBELL PAINT & VARNISH COMPANY | — | 03400500F | 1905-06-02 | Withdrawn | LISTED KANSAS CITY |
| CAPITAL CITY BANK | — | 03600280B | 1905-09-01 | Active | |
| CAPITAL CITY OIL COMPANY | — | 03600620D | 1905-09-25 | Inactive | BATON ROUGE |
| CAPITAL PRINTING COMPANY | — | 03500540D | 1905-07-22 | Inactive | BATON ROUGE |
| CASON, WHITE COMPANY, LTD. | — | 03300510D | 1905-04-19 | Inactive | LISTED MARKSVILLE |
| CATAHOULA NAVAL STORES COMPANY | — | 03700120F | 1905-10-25 | Withdrawn | LISTED STAMPS |
| CENTRAL BANK, SAVINGS AND TRUST COMPANY | — | 03400530B | 1905-06-02 | Active | |
| CENTRAL CITY OIL & DEVELOPMENT CO., LTD. | — | 03400640F | 1905-06-07 | Inactive | LISTED |
| CENTRAL ICE COMPANY | — | 03400720D | 1905-06-10 | Inactive | NEW ORLEANS |
| CENTRAL INVESTMENT & MORTGAGE COMPANY | — | 03400520D | 1905-06-02 | Inactive | NEW ORLEANS |
| CENTRAL LOUISIANA OIL & MINERAL DEVELOPMENT COMPANY | — | 03500520D | 1905-07-20 | Inactive | ALEXANDRIA |
| CENTRAL TRUST & SAVINGS BANK | — | 03800110B | 1905-12-23 | Active | |
| CHAILLE MARGARET OIL COMPANY | — | 03000770F | 1905-02-15 | Canceled | HOUSTON |
| CHAMBERLIN SAW MILL COMPANY | — | 03500670D | 1905-07-27 | Inactive | LISTED CHAMBERLIN |
| CHARLES AMMEN COMPANY, LTD. | — | 03400330D | 1905-05-26 | Inactive | NEW ORLEANS |
| CHARLES WATKINS AND BRO. COMPANY, LIMITED | — | 03500640D | 1905-07-25 | Inactive | BERWICK |
| CHICAGO LUMBER & COAL COMPANY | — | 03300130F | 1905-04-08 | Withdrawn | LISTED DES MOINES |
| CHITA COMPANY, LIMITED | — | 03500250D | 1905-07-05 | Inactive | NEW ORLEANS |
| CITIZENS OIL & PIPE LINE CO., LTD. | — | 03800140D | 1905-12-27 | Inactive | SHREVEPORT |
| CITY REALTY COMPANY, LTD. | — | 03400380D | 1905-05-27 | Inactive | LISTED BATON ROUGE |
| CLINTON JEWELRY & MERCANTILE CO., LTD. | — | 03400220D | 1905-05-24 | Inactive | LISTED |
| CLINTON SAW MILL COMPANY, LTD. | — | 03700500D | 1905-12-12 | Inactive | LISTED |
| COHN-GOTTLIEB REALTY COMPANY, LTD. | — | 03500550D | 1905-07-22 | Inactive | PORT ALLEN |
| COMMERCIAL BASE BALL LEAGUE | — | 03201000D | 1905-03-30 | Inactive | NEW ORLEANS |
| CONAWAY OYSTER COMPANY, LTD. | — | 03500080D | 1905-06-27 | Inactive | NEW ORLEANS |
| CONROY LUMBER COMPANY, LTD. | — | 03500150D | 1905-06-30 | Inactive | NEW ORLEANS |
| CONSUMERS BREWING COMPANY | — | 03200980D | 1905-03-27 | Inactive | NEW ORLEANS |
| CORDILL REALTY COMPANY | — | 03600150D | 1905-08-14 | Inactive | NEW ORLEANS |
| COTTON PLANTERS COMMISSION & HOLDING CO. | — | 03400210D | 1905-05-23 | Inactive | NEW ORLEANS |
| COVINGTON NAVAL STORES CO., LTD. | — | 03300620D | 1905-05-06 | Inactive | COVINGTON |
| COYLE COMPANY, LTD. | — | 03400140D | 1905-05-19 | Inactive | SAREPTA |
| CRABITES COMPANY, LTD. | — | 03400770D | 1905-06-13 | Inactive | NEW ORLEANS |
| CRESCENT BUILDING COMPANY, LTD. | — | 03200450D | 1905-01-09 | Inactive | NEW ORLEANS |
| CRESCENT CITY CARBONATE COMPANY | — | 03200440D | 1905-01-09 | Inactive | NEW ORLEANS |
| CRESCENT CITY CONSTRUCTION COMPANY | — | 03400240D | 1905-05-24 | Inactive | NEW ORLEANS |
| CRESCENT CITY JOCKEY CLUB | — | 03600120D | 1905-08-12 | Inactive | NEW ORLEANS |
| CUMMINGS-MOBERLY COMPANY, INC. | — | 03800120D | 1905-12-23 | Inactive | NEW ORLEANS |
| D. H. HOLMES COMPANY, LIMITED | — | 03400020D | 1905-05-13 | Merged | BATON ROUGE |
| DELOACH LAND CO., LTD. | — | 03300040D | 1905-04-03 | Inactive | LISTED NATCHITOCHES |
| DESOTO LAND & LUMBER COMPANY | — | 03700130D | 1905-10-25 | Inactive | SHREVEPORT |
| DILZELL ENGINEERING & CONSTRUCTING CO., LTD. | — | 03700480D | 1905-12-08 | Inactive | NEW ORLEANS |
| DR. G. H. TICHENOR ANTISEPTIC COMPANY | Manufacturing | 03600400D | 1905-08-29 | Active | NEW ORLEANS |
| DR. G. H. TICHENOR COMPANY, LTD. | — | 03600050D | 1905-08-09 | Active | NEW ORLEANS |
| DUCKPORT MERCANTILE CO., LTD. | — | 03300070D | 1905-04-05 | Inactive | DUCKPORT |
| E. C. JOULLIAN CANNING COMPANY | — | 03200950D | 1905-03-01 | Inactive | NEW ORLEANS |
| E. I. DUPONT COMPANY | — | 03500590F | 1905-07-14 | Withdrawn | WILMINGTON |
| E. MCILHENNY'S SON | — | 03600670D | 1905-10-03 | Inactive | AVERY ISLAND |