Exhibit 21
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
9 Campus Realty L.L.C. NJ
11 COMMERCE DRIVE ASSOCIATES L.L.C. NJ
12 SKYLINE ASSOCIATES L.L.C. NY
120 PASSAIC STREET LLC NJ
1717 REALTY ASSOCIATES L.L.C. NJ
20 COMMERCE DRIVE ASSOCIATES L.L.C. NJ
300 TICE REALTY ASSOCIATES L.L.C. NJ
300 HORIZON ROAD REALTY L.L.C. NJ
400 RELLA REALTY ASSOCIATES L.L.C. NY
500 COLUMBIA TURNPIKE ASSOCIATES L.L.C. NJ
600 PARSIPPANY ASSOCIATES L.L.C. NJ
4 GATEHALL REALTY L.L.C. NJ
78 PINSON PARTNERS L.L.C. NJ
795 FOLSOM REALTY ASSOCIATES L.P. CA
9060 EAST VIA LINDA CO., LTD. AZ
AIRPORT PROPERTIES ASSOCIATES LLC NJ
BMP MOORESTOWN REALTY L.L.C. NJ
BMP SOUTH REALTY L.L.C. NJ
BRIDGE PLAZA ASSOCIATES L.L.C. NJ
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
C.W. ASSOCIATES L.L.C. NJ
CAL-HARBOR II & III URBAN RENEWAL ASSOCIATES L.P. NJ
CAL-HARBOR IV URBAN RENEWAL ASSOCIATES L.P. NJ
CAL-HARBOR V LEASING ASSOCIATES L.L.C. NJ
CAL-HARBOR V URBAN RENEWAL ASSOCIATES L.P. NJ
CAL-HARBOR VI URBAN RENEWAL ASSOCIATES L.P. NJ
CAL-HARBOR VII LEASING ASSOCIATES L.L.C. NJ
CAL-HARBOR VII URBAN RENEWAL ASSOCIATES L.P. NJ
CAL-TREE REALTY ASSOCIATES L.P. PA
CALI HARBORSIDE (FEE) ASSOCIATES L.P. NJ
CALI HARBORSIDE PLAZA I (FEE) ASSOCIATES L.P. NJ
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
CENTURY PLAZA ASSOCIATES L.L.C. NJ
COLLEGE ROAD REALTY L.L.C. NJ
COMMERCENTER REALTY ASSOCIATES L.L.C. NJ
COMMON MESSAGING EXCHANGE, INC. NJ
CROSS WESTCHESTER REALTY ASSOCIATES L.L.C. NY
CWLT ROSELAND EXCHANGE L.L.C. NJ
D.B.C. REALTY L.L.C. NJ
ELMSFORD REALTY ASSOCIATES L.L.C. NY
FIVE SENTRY REALTY ASSOCIATES L.P. PA
GARDEN STATE VEHICLE LEASING L.L.C. NJ
GROVE STREET ASSOCIATES OF JERSEY CITY LIMITED PARTNERSHIP NJ
HARBORSIDE COMMON AREAS L.L.C. NJ
HARBORSIDE HOSPITALITY CORP. NJ
HORIZON CENTER REALTY ASSOCIATES L.L.C. NJ
HORIZON CENTER REALTY L.L.C. NJ
JUMPING BROOK REALTY ASSOCIATES L.L.C. NJ
KEMBLE-MORRIS, LLC NJ
KEYSTONE VEHICLE LEASING L.L.C. PA
LINWOOD REALTY L.L.C. NJ
M-C CALIFORNIA SERVICES, INC. DE
M-C CAPITOL ASSOCIATES L.L.C. DE
M-C HARSIMUS PARTNERS L.L.C. NJ
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
M-C PENN MANAGEMENT CORP. DE
M-C PROPERTIES CO. REALTY L.L.C. NJ
M-C ROCKLAND PARTNERS L.P. NY
M-C TEXAS MANAGEMENT L.P. TX
MACK-CALI ADVANTAGE SERVICES CORPORATION DE
MACK-CALI AIRPORT REALTY ASSOCIATES L.P. PA
MACK-CALI ARIZONA CORPORATION DE
MACK-CALI B PROPERTIES, L.L.C. NJ
MACK-CALI BEARDSLEY LIMITED PARTNERSHIP AZ
MACK-CALI BRIDGEWATER CO., L.P. NJ
MACK-CALI BUILDING V ASSOCIATES L.L.C. NJ
MACK-CALI CALIFORNIA DEVELOPMENT ASSOCIATES L.P. CA
MACK-CALI CALIFORNIA PARTNERS L.P. CA
MACK-CALI CAMPUS REALTY L.L.C. NJ
MACK-CALI CENTURY III INVESTORS L.L.C. IA
MACK-CALI CHESTNUT RIDGE, L.L.C. NJ
MACK-CALI CW REALTY ASSOCIATES L.L.C. NY
MACK-CALI D.C. MANAGEMENT CORP DE
MACK-CALI E-COMMERCE, INC. DE
MACK-CALI E-COMMERCE L.L.C. DE
MACK-CALI EAST LAKEMONT L.L.C. NJ
MACK-CALI F PROPERTIES L.P. NJ
MACK-CALI GLENDALE LIMITED PARTNERSHIP AZ
MACK-CALI MID-WEST REALTY ASSOCIATES L.L.C. NY
MACK-CALI MORRIS REALTY L.L.C. NJ
MACK-CALI NORTH HILLS L.L.C. NY
MACK-CALI PENNSYLVANIA REALTY ASSOCIATES L.P. PA
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
MACK-CALI PROPERTIES CO. #3 L.P. NJ
MACK-CALI PROPERTIES CO. NO. 11, L.P. NY
MACK-CALI PROPERTY TRUST MD
MACK-CALI REALTY 9060 L.L.C. AZ
MACK-CALI REALTY ACQUISITION CORP. DE
MACK-CALI REALTY BEARDSLEY L.L.C. AZ
MACK-CALI REALTY CONSTRUCTION CORPORATION NJ
MACK-CALI REALTY GLENDALE L.L.C. AZ
MACK-CALI REALTY L.P. DE
MACK-CALI REALTY METROPOLITAN L.L.C. FL
MACK-CALI SERVICES, INC. NJ
MACK-CALI SO. WEST REALTY ASSOCIATES L.L.C. NY
MACK-CALI STAMFORD REALTY ASSOCIATES, L.P. CT
MACK-CALI SUB I, INC. DE
MACK-CALI SUB II, INC. DE
MACK-CALI SUB III, INC. DE
MACK-CALI SUB IV, INC. DE
MACK-CALI SUB IX, INC. DE
MACK-CALI SUB V, INC. DE
MACK-CALI SUB VI, INC. DE
MACK-CALI SUB X, INC. DE
MACK-CALI SUB XI, INC. DE
MACK-CALI SUB XII, INC. DE
MACK-CALI SUB XIII, INC. DE
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
MACK-CALI SUB XIV, INC. DE
MACK-CALI SUB XIX, INC. DE
MACK-CALI SUB XV, INC. DE
MACK-CALI SUB XVI, INC. DE
MACK-CALI SUB XVII, INC. DE
MACK-CALI SUB XVIII, INC. DE
MACK-CALI SUB XX, INC. DE
MACK-CALI SUB XXI, INC. DE
MACK-CALI SUB XXII, INC. DE
MACK-CALI SUB XXIII, INC. DE
MACK-CALI TAXTER ASSOCIATES L.L.C. NY
MACK-CALI TEXAS PROPERTY L.P. TX
MACK-CALI TRS HOLDING CORPORATION DE
MACK-CALI WILLOWBROOK COMPANY L.P. NJ
MACK-CALI WOODBRIDGE II L.P. NJ
MACK-CALI WP REALTY ASSOCIATES L.L.C. NY
MACK-CALI-R COMPANY NO. 1 L.P. NJ
MAIN-MARTINE MAINTENANCE CORP. NY
MANHASSET ASSOCIATES L.L.C. NY
MAPLE 4 CAMPUS REALTY L.L.C. NJ
MAPLE 6 CAMPUS REALTY L.L.C. NJ
MARTIN AVENUE REALTY ASSOCIATES L.L.C. NY
MC-CAP L.L.C. DE
MID-WEST MAINTENANCE CORP. NY
MID-WESTCHESTER REALTY ASSOCIATES L.L.C. NY
MONMOUTH/ATLANTIC REALTY ASSOCIATES L.L.C. NJ
MOORESTOWN REALTY ASSOCIATES L.L.C. NJ
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
MORRIS V PARTNERS L.L.C. NJ
MORRIS VI PARTNERS L.L.C. NJ
MORRISTOWN TEN NJ
MOUNT AIRY REALTY ASSOCIATES L.L.C. NJ
MOUNTAINVIEW REALTY L.L.C. NJ
OFFICE ASSOCIATES L.L.C. NJ
ONE SYLVAN REALTY, L.L.C. NJ
PA UTILIPRO SOLUTIONS, INC. DE
PARSIPPANY CAMPUS REALTY ASSOCIATES L.L.C. NJ
PHELAN REALTY ASSOCIATES L.P. CA
PLAZA V LEASING ASSOCIATES L.L.C. NJ
PLAZA VII LEASING ASSOCIATES L.L.C. NJ
PLAZA X LEASING ASSOCIATES L.L.C. NJ
PLAZA X REALTY L.L.C. NJ
PLAZA X URBAN RENEWAL ASSOCIATES L.L.C. NJ
PRINCETON CORPORATE CENTER REALTY ASSOCIATES L.L.C. NJ
PRINCETON OVERLOOK REALTY L.L.C. NJ
ROSELAND II L.L.C. NJ
ROSELAND OWNERS ASSOCIATES L.L.C. NJ
SHELTON REALTY ASSOCIATES L.P. CT
SIX COMMERCE DRIVE ASSOCIATES L.L.C. NJ
SKYLINE REALTY L.L.C. NY
STATE OF
INCORPORATION
SUBSIDIARY OR ORGANIZATION
SO. WESTCHESTER REALTY ASSOCIATES L.L.C. NY
SOUTH-WEST MAINTENANCE CORP. NY
STEVENS AIRPORT REALTY ASSOCIATES L.P. PA
SYLVAN 701 PARTNERS L.L.C. NJ
SYLVAN 704 PARTNERS L.L.C. NJ
SYLVAN/CAMPUS REALTY ASSOCIATES L.L.C. NJ
TALLEY MAINTENANCE CORP. NY
TALLEYRAND REALTY ASSOCIATES L.L.C. NY
TENBY CHASE APARTMENTS L.L.C. NJ
THE GROVE STREET URBAN RENEWAL CORP. NJ
THE HORIZON CENTER PROPERTY OWNERS ASSOCIATION, INC. NJ
TRADEMATRIX COMMUNICATIONS, INC. DE
U.S. UTILIPRO SOLUTIONS L.L.C. DE
UTILIPRO SOLUTIONS, INC. NJ
VAUGHN PARTNERS L.L.C. NJ
VAUGHN PRINCETON ASSOCIATES L.L.C. NJ
WEST-AVE. MAINTENANCE CORP. CT
WESTAGE REALTY L.L.C. NY
WHITE PLAINS REALTY ASSOCIATES L.L.C. NY