Health tech firms are growing rapidly in the Minneapolis-St. Paul area, with 34 companies moving or expanding operations there in the last four years, according to a LifeScience Alley report. On average, these health tech company moves or expansions involved 79,619 square feet of new space and 86 added jobs, larger than most other industries. Some of the companies expanding include Upsher-Smith Laboratories, Smiths Medical, National Marrow Donor Program, and St. Jude Medical.