. . . EXHIBIT 21.1 FIRST INDUSTRIAL REALTY TRUST, INC. SUBSIDIARIES OF THE REGISTRANT STATE OF INCORPORATION NAME FORMATION REGISTERED NAMES IN FOREIGN JURISDICTIONS - -------------------------------------------- -------------- ----------------------------------------------------------- First Industrial, L.P. Delaware First Industrial(Alabama), Limited Partnership First Industrial (Michigan), Limited Partnership First Industrial (Minnesota), Limited Partnership First Industrial (Tennessee), L.P. First Industrial Limited Partnership First Industrial Finance Corporation Maryland N/A First Industrial Financing Partnership, L.P. Delaware First Industrial Financing Partnership, Limited Partnership First Industrial Financing Partnership (Alabama), Limited Partnership First Industrial Financing Partnership (Minnesota), Limited Partnership First Industrial Financing Partnership (Wisconsin), Limited Partnership First Industrial Enterprises of Michigan, Inc. Michigan N/A First Industrial Group of Michigan, Inc. Michigan N/A First Industrial of Michigan, Inc. Michigan N/A First Industrial Associates of Michigan, Inc. Michigan N/A First Industrial Construction Company of Michigan N/A Michigan, Inc. First Industrial Acquisitions, Inc. Maryland FR Acquisitions, Inc. First Industrial Pennsylvania Corporation Maryland N/A First Industrial Pennsylvania, L.P. Delaware N/A First Industrial Harrisburg Corporation Maryland N/A First Industrial Harrisburg, L.P. Delaware N/A First Industrial Securities Corporation Maryland N/A First Industrial Securities, L.P. Delaware First Industrial Securities,Limited Partnership First Industrial Mortgage Corporation Maryland N/A First Industrial Mortgage Partnership, L.P. Delaware First Industrial MP, L.P. First Industrial Indianapolis Corporation Maryland N/A First Industrial Indianapolis, L.P. Delaware N/A FI Development Services Corporation Maryland N/A FI Development Services, L.P. Delaware FIDS (Arizona) L.P. FI Development Services, Limited Partnership FI Development Services of Delaware, L.P. FI Development Services Group, L.P. Delaware N/A FR Development Services, L.L.C. Delaware N/A First Industrial Development Services, Inc. Maryland First Industrial Development Services, Inc. (Maryland) FR Brokerage Services, Inc. Maryland N/A FR Management Services, Inc. Maryland First Industrial Management Services, Inc. First Industrial Florida Finance Corporation Maryland N/A TK-SV, Ltd. Florida N/A First Industrial Telecommunications, L.L.C. Delaware N/A