Subsidiary
        
        Exhibit21.1

State of
Incorporation
or Organization3 ODELL REALTY L.L.C.
        
        NY4 GATEHALL REALTY L.L.C.
        
        NJ4 SENTRY HOLDING L.L.C.
        
        DE4 SENTRY REALTY L.L.C.
        
        DE5 WOOD HOLLOW REALTY, L.L.C.
        
        NJ5/6 SKYLINE REALTY L.L.C.
        
        NY6 PARSIPPANY L.L.C.
        
        NJ9 CAMPUS REALTY L.L.C.
        
        NJ11 COMMERCE DRIVE ASSOCIATES L.L.C.
        
        NJ12 SKYLINE ASSOCIATES L.L.C.
        
        NY14/16 SKYLINE REALTY L.L.C.
        
        NY14 COMMERCE REALTY L.L.C.
        
        NJ20 COMMERCE DRIVE ASSOCIATES L.L.C.
        
        NJ25 COMMERCE REALTY, L.L.C.
        
        NJ78/PINSON PARTNERS L.L.C.
        
        NJ105 EISENHOWER REALTY L.L.C.
        
        NJ120 PASSAIC STREET L.L.C.
        
        NJ225 CORPORATE REALTY L.L.C.
        
        NY232 STRAWBRIDGE REALTY L.L.C.
        
        NJ300 HORIZON REALTY L.L.C.
        
        NJ300 TICE REALTY ASSOCIATES L.L.C.
        
        NJ400 CHESTNUT  REALTY L.L.C.
        
        NJ400 RELLA REALTY ASSOCIATES L.L.C.
        
        NY500 COLUMBIA TURNPIKE ASSOCIATES L.L.C.
        
        NJ600 HORIZON CENTER L.L.C.
        
        NJ600 PARSIPPANY ASSOCIATES L.L.C.
        
        NJ      795 FOLSOM REALTY ASSOCIATES L.P.
        
        CA1000 BRIDGEPORT REALTY L.L.C.
        
        CT1266 SOUNDVIEW REALTY L.L.C.
        
        CT1717 REALTY ASSOCIATES L.L.C.
        
        NJAIRPORT PROPERTIES ASSOCIATES L.L.C.
        
        NJBMP MOORESTOWN REALTY L.L.C.
        
        NJBMP SOUTH REALTY L.L.C.
        
        NJBRIDGE PLAZA REALTY ASSOCIATES L.L.C.
        
        NJC.W. ASSOCIATES L.L.C.
        
        NJCAL-HARBOR II & III URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-HARBOR IV URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-HARBOR V LEASING ASSOCIATES L.L.C.
        
        NJCAL-HARBOR V URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-HARBOR VI URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-HARBOR VII LEASING ASSOCIATES L.L.C.
        
        NJCAL-HARBOR VII URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-HARBOR SO. PIER URBAN RENEWAL ASSOCIATES L.P.
        
        NJCAL-TREE REALTY ASSOCIATES L.P.
        
        PACALI HARBORSIDE (FEE) ASSOCIATES L.P.
        
        NJCALI HARBORSIDE PLAZA I (FEE) ASSOCIATES L.P.
        
        NJCENTURY PLAZA ASSOCIATES L.L.C.
        
        NJCLEARBROOK ROAD ASSOCIATES L.L.C.
        
        NYCOLLEGE ROAD REALTY L.L.C.
        
        NJCOMMERCENTER REALTY ASSOCIATES L.L.C.
        
        NJCROSS WESTCHESTER REALTY ASSOCIATES L.L.C.
        
        NYCWLT ROSELAND EXCHANGE L.L.C.
        
        NJD.B.C. REALTY L.L.C.
        
        NJELMSFORD REALTY ASSOCIATES L.L.C.
        
        NY




EMPIRE STATE VEHICLE LEASING L.L.C.
        
        NYFIVE SENTRY REALTY ASSOCIATES L.P.
        
        PAGARDEN STATE VEHICLE LEASING L.L.C.
        
        NJHARBORSIDE HOSPITALITY CORP.
        
        NJHORIZON CENTER REALTY ASSOCIATES L.L.C.
        
        NJHORIZON CENTER REALTY L.L.C.
        
        NJJUMPING BROOK REALTY ASSOCIATES L.L.C.
        
        NJKEMBLE PLAZA II REALTY L.L.C.
        
        NJKEYSTONE VEHICLE LEASING L.L.C.
        
        PAKNIGHTSBRIDGE REALTY  L.L.C.
        
        NJLINWOOD REALTY L.L.C.
        
        NJLITTLETON REALTY ASSOCIATES L.L.C.
        
        NJM-C CALIFORNIA SERVICES, INC.
        
        DEM-C CAPITOL ASSOCIATES L.L.C.
        
        DEM-C HARSIMUS PARTNERS L.L.C.
        
        NJM-C PENN MANAGEMENT TRUST
        
        MDM-C PROPERTIES CO. REALTY L.L.C.
        
        NJM-C ROCKLAND PARTNERS L.P.
        
        NYM-C TEXAS MANAGEMENT L.P.
        
        TXMACK-CALI ADVANTAGE SERVICES CORPORATION
        
        DEMACK-CALI AIRPORT REALTY ASSOCIATES L.P.
        
        PAMACK-CALI B PROPERTIES, L.L.C.
        
        NJMACK-CALI BRIDGEWATER CO., L.P.
        
        NJMACK-CALI BUILDING V ASSOCIATES L.L.C.
        
        NJMACK-CALI BUSINESS CAMPUS ASSOCIATES, INC.
        
        NJMACK-CALI CALIFORNIA DEVELOPMENT ASSOCIATES L.P.
        
        CAMACK-CALI CALIFORNIA PARTNERS L.P.
        
        CAMACK-CALI CAMPUS REALTY L.L.C.
        
        NJMACK-CALI CHESTNUT RIDGE, L.L.C.
        
        NJ




MACK-CALI CW REALTY ASSOCIATES L.L.C.
        
        NYMACK-CALI D.C. MANAGEMENT CORP
        
        DEMACK-CALI E-COMMERCE L.L.C.
        
        DEMACK-CALI EAST LAKEMONT L.L.C.
        
        NJMACK-CALI F PROPERTIES L.P.
        
        NJMACK-CALI GLENDALE LIMITED PARTNERSHIP
        
        AZMACK-CALI MEADOWLANDS ENTERTAINMENT L.L.C.
        
        NJMACK-CALI MEADOWLANDS SPECIAL L.L.C.
        
        NJMACK-CALI MID-WEST REALTY ASSOCIATES L.L.C.
        
        NYMACK-CALI MORRIS REALTY L.L.C.
        
        NJMACK-CALI NORTH HILLS L.L.C.
        
        NYMACK-CALI PENNSYLVANIA REALTY ASSOCIATES L.P.
        
        PAMACK-CALI PROPERTIES CO.
        
        NJMACK-CALI PROPERTIES CO. #3 L.P.
        
        NJMACK-CALI PROPERTY TRUST
        
        MDMACK-CALI SO. WEST REALTY ASSOCIATES L.L.C.
        
        NYMACK-CALI SUB XV, TRUST
        
        MDMACK-CALI TAXTER ASSOCIATES L.L.C.
        
        NYMACK-CALI TEXAS PROPERTY L.P.
        
        TXMACK-CALI TRS HOLDING CORPORATION
        
        DEMACK-CALI WILLOWBROOK COMPANY L.L.C.
        
        NJMACK-CALI WOODBRIDGE II L.P.
        
        NJMACK-CALI WP REALTY ASSOCIATES L.L.C.
        
        NYMACK-CALI-R COMPANY NO. 1 L.P.
        
        NJMANHASSET ASSOCIATES L.L.C.
        
        NYMAPLE 4 CAMPUS REALTY L.L.C.
        
        NJMAPLE 6 CAMPUS REALTY L.L.C.
        
        NJMC ONE RIVER FUNDING L.L.C.
        
        NJ




MC-SJP PINSON DEVELOPMENT, L.L.C.
        
        DEMID-WESTCHESTER REALTY ASSOCIATES L.L.C.
        
        NYMONMOUTH/ATLANTIC REALTY ASSOCIATES L.L.C.
        
        NJMONUMENT 150 REALTY L.L.C.
        
        DEMONUMENT HOLDING L.L.C.
        
        DEMOORESTOWN REALTY ASSOCIATES L.L.C.
        
        NJMOUNT AIRY REALTY ASSOCIATES L.L.C.
        
        NJMOUNTAINVIEW REALTY L.L.C.
        
        NJOFFICE ASSOCIATES L.L.C.
        
        NJONE RIVER ASSOCIATES
        
        NJONE SYLVAN REALTY, L.L.C.
        
        NJPA UTILIPRO SOLUTIONS TRUST
        
        MDPALLADIUM REALTY L.L.C.
        
        NJPARSIPPANY 4/5 REALTY L.L.C.
        
        NJPARSIPPANY CAMPUS REALTY ASSOCIATES L.L.C.
        
        NJPHELAN REALTY ASSOCIATES L.P.
        
        CAPLAZA VIII & IX ASSOCIATES L.L.C.
        
        NJPRINCETON CORPORATE CENTER REALTY ASSOCIATES L.L.C.
        
        NJPRINCETON JUNCTION METRO OFFICE CENTER ASSOCIATES, INC.
        
        NJPRINCETON OVERLOOK REALTY L.L.C.
        
        NJRAMLAND REALTY ASSOCIATES L.L.C.
        
        NYROSELAND II L.L.C.
        
        NJROSELAND OWNERS ASSOCIATES L.L.C.
        
        NJSENTRY PARK WEST L.L.C.
        
        PASIX COMMERCE DRIVE ASSOCIATES L.L.C.
        
        NJSKYLINE REALTY L.L.C.
        
        NYSO. WESTCHESTER REALTY ASSOCIATES L.L.C.
        
        NYSTEVENS AIRPORT REALTY ASSOCIATES L.P.
        
        PASYLVAN/CAMPUS REALTY L.L.C.
        
        NJ




TALLEYRAND REALTY ASSOCIATES L.L.C.
        
        NYTERRI REALTY ASSOCIATES L.L.C.
        
        NJTHE HORIZON CENTER PROPERTY OWNERS ASSOCIATION, INC.
        
        NJTRIAD REALTY ASSOCIATES L.L.C.
        
        DETRIAD REALTY HOLDINGS L.L.C.
        
        DEU.S. UTILIPRO SOLUTIONS L.L.C.
        
        DEUTILIPRO SOLUTIONS, INC.
        
        NJVAUGHN PARTNERS L.L.C.
        
        NJVAUGHN PRINCETON ASSOCIATES L.L.C.
        
        NJWEST AVENUE REALTY ASSOCIATES L.L.C.
        
        CTWESTAGE REALTY L.L.C.
        
        NYWHITE PLAINS REALTY ASSOCIATES L.L.C.
        
        NY