T Square Properties has completed six leases totaling 11,390 s/f. The deals include: * Industrial Medicine Associates, a provider of employee medical evaluation services signed a 10-year lease for 3,000 s/f of medical office space at the Fortune Building, 280 Central Ave. Phyllis Tunnell of T Square was the broker. * Dr. Stephen Konis has expanded his office and relocated to 666 Lexington Ave., Mount Kisco. Konis signed a 10-year lease for 1,223 s/f of dental office space. Trevor Tunnell of T Square was the broker. * Dr. Nicholas Vece has signed a 10-year lease for 2,136 s/f of dental space at 666 Lexington Ave., Mount Kisco. * Jill Cannon, a psychotherapist, signed a five-year lease for 919 s/f of office space at 239 Lexington Ave., Mount Kisco. Trevor Tunnell was the broker. * Bio Science Research signed a 10-year lease for 2,313 s/f of office space at 359 Main St., Mount Kisco. Trevor Tunnell was the broker. Hartcase Corp., a supplier of bracelets and watchcases, has signed a three-year lease for 1,800 s/f of office space at 84 Business Park Dr., Armonk. Trevor Tunnell was the broker.