Oxley Leasing Cos. has purchased The Center, a three-building office campus totaling 377,126 square feet at 8303, 8313 and 8323 Southwest Freeway. Tarantino Properties' Anthony Tarantino, president, and Peggy Rougeou, director of commercial leasing, represented the seller, The Center Holdings. Assured Flow Solutions, an engineering firm serving the upstream and midstream sectors of the oil and gas industry, has leased 5,569 square feet at 2245 Texas Drive in Sugar Land Town Square. DSV Air & Sea, a global supplier of transport and logistics solutions with offices in more than 70 countries, relocated to a 8,148-square-foot office at 333 N.