| McLean Oral and Maxillofacial Surgery, P.C. | — | 01895796 | 1978-11-01 | Inactive | Mc Lean |
| Melvin Friedman, P.C. | — | 01812189 | 1978-01-03 | Inactive | VIRGINIA BEACH |
| Mental Health America of South Hampton Roads | — | 01860618 | 1978-06-22 | Inactive | VIRGINIA BEACH |
| Mercer Plastics, Inc. | — | 01880210 | 1978-09-07 | Inactive | ELKTON |
| Metropolitan Nephrology Associates, P.C. | — | 01899426 | 1978-11-16 | Active | Clinton |
| Morris A. Nunes, Atty., P.C. | — | 01907898 | 1978-12-19 | Inactive | FALLS CHURCH |
| Mullins, Harris, Jessee & Dotson, a Professional Corporation | — | 01812783 | 1978-01-04 | Active | NORTON |
| N. K. BRADFORD, INC. | — | 01879485 | 1978-09-05 | Active | ALEXANDRIA |
| NAFCU SERVICE CORPORATION | — | F0340838 | 1978-10-12 | Inactive | Arlington |
| NASH INSURANCE AGENCY, INC. | — | 01861806 | 1978-06-28 | Inactive | BLACKSTONE |
| NATIONAL ASSOCIATION OF POSTMASTERS OF THE UNITED STATES | — | F0335747 | 1978-06-15 | Inactive | ALEXANDRIA |
| NATIONAL ASSOCIATION OF PROFESSIONAL INSURANCE AGENTS | — | F0332470 | 1978-04-06 | Active | Alexandria |
| NATIONAL ASSOCIATION OF SOCIAL WORKERS | — | F0336901 | 1978-07-14 | Active | Washington |
| NATIONAL AUTO PARTS INCORPORATED OF APPOMATTOX, VIRGINIA | — | 01838366 | 1978-04-06 | Active | APPOMATTOX |
| NATIONAL CAPITAL INSURANCE AGENCY, INC. | — | 01842590 | 1978-04-20 | Inactive | WASHINGTON |
| NATIONAL CLAIMS SERVICE, INC. | — | 01896067 | 1978-11-01 | Inactive | GLEN ALLEN |
| NATIONAL FOUNDATION FOR CANCER RESEARCH, INC. | — | F0332652 | 1978-04-11 | Active | Rockville |
| NATIONAL OUTDOOR SPORTS ADVERTISING, INC. | — | 01868447 | 1978-07-25 | Active | BETHESDA |
| NATIONAL ROOFING CORPORATION | — | 01832559 | 1978-03-17 | Active | SUFFOLK |
| NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION | Finance and insurance | F0330011 | 1978-02-13 | Active | Sterling |
| NATIONAL WESTERN LIFE INSURANCE COMPANY | — | F0328999 | 1978-01-23 | Active | Austin |
| NATURE FOOD CENTRES OF VIRGINIA, INC. | — | 01880624 | 1978-09-08 | Inactive | RICHMOND |
| NAUTICAL ADVENTURES, INC. | — | 01819119 | 1978-01-24 | Inactive | NORFOLK |
| NAVAL AVIATION FOUNDATION, INC. | — | 01900612 | 1978-11-21 | Inactive | FREDERICKSBURG |
| NELVA CORPORATION | — | 01908599 | 1978-12-21 | Inactive | VA BEACH |
| NEPHROLOGY ASSOCIATES OF TIDEWATER, LTD. | — | 01854140 | 1978-06-02 | Active | Norfolk |
| NEW CENTURY DISTRIBUTORS, INC. | — | 01848944 | 1978-05-15 | Inactive | WINCHESTER |
| NEW RIVER FINISHING, INC. | — | F0342925 | 1978-12-01 | Inactive | FAIRFAX |
| NEW RIVER VALLEY ASSOCIATION OF REALTORS, INC. | — | 01852441 | 1978-05-26 | Active | CHRISTIANSBURG |
| NEW YORK FASHION ORGANIZATION, INC. | — | 01863232 | 1978-07-05 | Pending | Norfolk |
| NEWINGTON CONCRETE CORPORATION | — | 01834464 | 1978-03-23 | Inactive | NEWINGTON |
| NEWINGTON WOODS HOMEOWNERS ASSOCIATION, INC. | — | 01819127 | 1978-01-24 | Active | SPRINGFIELD |
| NEWPORT CONVALESCENT CENTER, INC. | — | 01881994 | 1978-09-13 | Inactive | NEWPORT NEWS |
| NGD, LLC | — | 01868603 | 1978-07-25 | Active | Potomac |
| NICKELS, INC. | — | 01891936 | 1978-10-18 | Inactive | TAZEWELL |
| NIXON AUTO SALES, INC. | — | 01818145 | 1978-01-20 | Active | VA BEACH |
| NO. 1 HOME CENTER, INC. | — | 01819994 | 1978-01-26 | Inactive | GLEN ALLEN |
| NONPUBLIC EDUCATIONAL SERVICES, INC. | — | 01825702 | 1978-02-17 | Active | Philadelphia |
| NORFOLK CITY BLUES RUGBY CLUB, INC. | — | 01841725 | 1978-04-18 | Active | PAMPLIN |
| NORFOLK SASH & DOOR, INC. | — | 01863968 | 1978-07-07 | Inactive | NORFOLK |
| NORLIN COMMUNICATIONS, INC. | — | F0329534 | 1978-02-01 | Inactive | RICHMOND |
| NORTH WALES ASSOCIATION, INC. | — | 01891290 | 1978-10-16 | Inactive | Warrenton |
| NORTHERN VIRGINIA CARVERS, INCORPORATED | — | 01826114 | 1978-02-21 | Active | FAIRFAX STATION |
| NORTHERN VIRGINIA CHAPTER OF THE AMERICAN INSTITUTE OF ARCHITECTS | — | 01844497 | 1978-04-27 | Active | Alexandria |
| NORTHERN VIRGINIA FOOTBALL OFFICIALS ASSOCIATION, INC. | — | 01894740 | 1978-10-27 | Inactive | DALE CITY |
| NORTHERN VIRGINIA LIONS MOBILE SIGHT AND HEARING SCREENING UNIT, INC. | — | 01838028 | 1978-04-05 | Inactive | Dumfries |
| NORTHERN VIRGINIA PSYCHIATRIC GROUP, P.C. | — | 01866078 | 1978-07-18 | Pending | Fairfax |
| NORTHERN VIRGINIA TITLE & ABSTRACT COMPANY, INC. | — | 01888122 | 1978-10-04 | Inactive | MANASSAS |
| NORTHROP GRUMMAN INFORMATION TECHNOLOGY, INC. | — | F0341679 | 1978-11-02 | Inactive | LOS ANGELES |
| NORTON COMMUNITY HOSPITAL PHARMACY, INC. | — | 01908755 | 1978-12-21 | Inactive | WISE |