WILMINGTON, MA-Dow Industries renews its lease for 33,000-sf of office and research and development space at 200 Research Dr., which is located in Wilmington Technology Park, just off of Route 93. The deal is good news in this three million-sf market.

MILFORD, MA-In an era of hospital closures and cutbacks, the Milford-Whitinsville Regional Hospital, located at the intersection of Routes 140 and 16, is about to do something highly irregular: expand. The hospital is set undertake a $45-million expansion project that is the largest in its history.

BILLLERICA, MA-Optimems Technologies, Inc. leases 12,866 sf of space at 37 Manning Rd. in a sublease deal. The facility. will serve as Optimems' North American research and development headquarters.

ARLINGTON, MA-In a deal that the broker involved says is indicative of the current industrial market, Publishers Circulation Fulfillment, Inc. leases 15,100 sf of office and warehouse space at 60 Lowell St. The company provides distribution services to the publishing industry.

STOUGHTON, MA-In the second of what it says will be more acquisitions, Home Properties purchases Stone Ends Apartments from Archstone Smith Communities. The New York-based REIT purchased a 696-unit development in Waltham, MA last year.

WALTHAM, MA-Texas Instruments renews and expands its lease at 400-1 Totten Pond Rd. in the Totten Pond Office Center. The Dallas-based high-tech company is expanding from 18,855 sf to 34,890 sf.

CHELMSFORD, MA-Siemens Information Systems subleases 65,184 sf from Tellabs at 271 Mill Rd. The building is one of two that Tellabs had built in an attempt to consolidate all of its area offices. But the tech wreck forced the company to put the buildings on the sublease market.

METHUEN, MA-3M Corp. renews its lease for 38,823 sf of space at 300 Griffin Brook Park. The deal represents a downsizing of space as MicroTouch Systems was leasing 90,000 sf at this location when 3M bought the company in 2001.