Tinkham Realty completed the following transactions: * Thompson Mis has leased 2,500 s/f at Londonderry Square, 50 Nashua Rd. Thompson Mis is a medical device company focused on minimally invasive spine surgery and instrumentation. * Desertcar has leased 2,300s/f industrial condo in Pelham, N.H. Desertcart.com provides online shopping for electronics, apparel, jewelry and more. * Carvalho Electrical has located in a 800 s/f office at Londonderry Commons Professional Office Park. * E-Bikes Of New England has leased 2,600s/f at the Mr. Steer Market Place, Londonderry.