Systems & Methods, Inc. (SMI), has renewed its lease for 6,200 s/f at Braintree Executive Park (BEP), 150 Grossman Dr. Representing the parties in the transaction was Richard McKinnon, director of brokerage services for The Grossman Companies, Inc., of Quincy. The landlord is Braintree Executive Park Trust LLC. The BEP office park consists of 100 and 150 Grossman Dr. BEP's mirror-image buildings consist of 124,000 s/f of first-class office space off Rte. 3. In addition to easy highway access and proximity to Boston, there are numerous restaurants, stores and hotels nearby. There is plenty of free parking and the complex is within walking distance of the MBTA's Red Line and Commuter Rail station. BEP's well-known tenants include Rockland Trust, Genworth Mortgage, Tremont Credit Union, Harvard Vanguard Medical Associates, Bank of America, Sentient Jet and Walden Behavioral Care, among others. The Grossman Cos. offers a full range of landlord and tenant services with a focus on sales and leasing of commercial property throughout New England.