SI2 Technologies Inc., M.S. Inserts and Fasteners Corp., New England Rehabilitation Hospital and Lahey Clinic Inc. have leased a total of 31,300 square feet at 267 Boston Road in Billerica.

SI2 Technologies Inc., an electronic systems company, renewed and expanded its lease at 267 Boston Road to occupy 15,100 square feet. This space will serve as SI2 Technologies’ headquarters.

Alan Ringuette of The Stubblebine Co. represented SI2 Technologies. Newmark Knight Frank Principal Jim Thomson and Associate Devon Manfredonia represented building owners Alex Brown Realty Inc. and Hall Royce LLC.

"The efficiency of the single story building works very well for SI2’s needs of combining office space with manufacturing space," said Thomson.

M.S. Inserts and Fasteners Corp., an aerospace and electronic fasteners distributor, renewed 4,500 square feet within the two building, 97,000-square-foot industrial property. This space serves as the East Coast hub for MS Fasteners, according to a statement.

New England Rehabilitation Hospital also extended its 3,600-square-foot lease. The facility provides outpatient rehabilitation services for the hospital.

Lahey Clinic Inc. also expanded and extended its 8,100-square-foot lease. Lahey Clinic is a community based primary care facility, featuring specialties in cardiology, gastroenterology and internal medicine.

"We were thrilled to be able to renew all three of these tenants in the building. Lahey Clinic and New England Rehabilitation Hospital staying in the building allows the owners to continue to have a strong medical presence within the property," said Thomson.

Thomson and Manfredonia also represented building owners Alex Brown Realty Inc. and Hall Royce LLC in these transactions.