Brokerage firm Colliers International Inc., is moving its longtime Southfield office at 2 Corporate Dr. to the building at 450 W. Fourth St. downtown that also houses Howard & Howard Attorneys PLLC.
Architecture and planning firm HED is moving its Michigan office and 100 employees to downtown Royal Oak in the space currently occupied by tech company Vectorform.The company formerly known as Harley Ellis Devereaux Corp. is taking Vectorform's approximately 19,000 square feet in the building at…