LINEMARK PRINTING INC Maryland Since: 1985 Prince Georges Branch 501 PRINCE GEORGES BLVD Upper Marlboro
LANGLEY INVESTMENT HOLDINGS, LLC Maryland Since: 2017 Prince Georges Branch 9616 BYWARD BLVD Mitchellville
LONGHORN VACCINES AND DIAGNOSTICS, LLC Maryland Since: 2006 Montgomery Branch 7272 WISCONSIN AVE FL 9 Bethesda
LEVEL ONE PERSONNEL, INC. Maryland Since: 1999 Howard Branch 6996 COLUMBIA GATEWAY DR STE 204 Columbia