MARKEL CORPORATION

WEST VIRGINIA UNIVERSITY RESEARCH CORPORATION

HUNTON & WILLIAMS LLP

NORFOLK STATE UNIVERSITY

VIRGINIA DEPARTMENT OF TRANSPORTATION

THE BUREAU OF NATIONAL AFFAIRS, INC.

NORFOLK PUBLIC SCHOOLS

PRA GROUP, INC.

EASTERN VIRGINIA MEDICAL SCHOOL

HAMPTON UNIVERSITY

THE BERLIN STEEL CONSTRUCTION COMPANY

COOPER CARRY, INC.

PENFED CREDIT UNION

N/A

LONGWOOD UNIVERSITY

CAPELLA UNIVERSITY INC

N/A

CHARTWAY FEDERAL CREDIT UNION

SMART HOME SENTRY INC.

WINCHESTER MEDICAL CENTER

COLUMBIA STATE BANK CORPORATION

IMS GEAR VIRGINIA INC

STARCHASE LLC

N/A

ALLIANCE GROUP TECHNOLOGIES COMPANY - CALUMET INC.

N/A

HBA ARCHITECTURE & INTERIOR DESIGN, INC.

STRAYER UNIVERSITY

METROPOLITAN WASHINGTON AIRPORTS AUTHORITY

N/A

WEST VIRGINIA STATE UNIVERSITY

OPEN SYSTEMS, INC.

MYEYEDR OPTOMETRY OF VIRGINIA, PLLC

SKANSKA USA CIVIL SOUTHEAST, INC.

N/A

FACTOR ONE SOURCE PHARMACY LLC

N/A

COUNTERPART INTERNATIONAL, INC.

N/A

MYTHIC, INC.

VIRGINIA TRANSFORMER CORPORATION

SHEPHERD UNIVERSITY

GIANT EAGLE, INC.

CENTRAL VIRGINIA COMMUNITY COLLEGE

CVCC

OBX RESORT, LLC

DBA HILTON GARDEN INN

FBR CAPITAL MARKETS & CO.

RARE, INC.

GTT COMMUNICATIONS INC.