BURLINGTON, MA-Tellabs lays off 150 employees in the state and closes sales and development offices here and in Wilmington and Bedford. The Illinois-based communications equipment maker will maintain a research and sales operation in Chelmsford.

LOS ANGELES-The seven-year deal gives Marina Medical Billing 26,082 sf of office space on Studebaker Road.

BOSTON-GVA Worldwide enters the market here by adding GVA Thompson Doyle Hennessey & Everest as its new Boston partner. The international real estate services firm has a presence in 85 markets in 24 countries.

HOUSTON-Clay Development & Construction is undertaking a six-building project on 10 acres in the city's northwestern tier. CMI Moulding will buy its 30,000-sf office-warehouse while Dover Equipment will be leasing a 20,000-sf flex project.