Short takes on the week's announcements and deals.

Acquisitions

Fairfax-based tech company ManTech International has closed on its previously announced $90 million acquisition of Seabrook-based IT company Worldwide Information Network Systems.

Contracts

Arlington-based language-learning software company Rosetta Stone said it has received contracts totaling $2.3 million from Colombia-based National Learning Services, Panama-based Universidad del Istmo, Mexico-based Tecnologico de Monterrey Prepatoria and the Barbados-based Caribbean Examination Council.

Expansions

Reston-based tech company Goodzer, the developer of a search engine designed to help users find items from nearby stores, said it has expanded its Web site and iPhone app to cover the entire United States.

Germantown-based weather information company Earth Networks said it plans to double the size of its weather monitoring network in Canada by deploying more than 1,000 additional weather stations over the next three years.

Funding

Columbia-based mobile technology startup Uppidy said it has closed on a $300,000 round of equity funding. The company said it will use the money to hire more technology and business development employees and for operational expenses.

Herndon-based Center for Innovative Technology said it has invested $200,000 through its Commonwealth Energy Fund in Charlottesville-based computer manufacturer ADI Engineering.

Bethesda-based biotech firm Northwest Biotherapeutics said it received $2.4 million in term loans and signed a deal to sell $3 million in newly issued shares as part of an equity facility of up to $25 million.

Tysons Corner-based NextNav, which develops GPS-like location services, has closed on a $19.2 million funding round.

Bethesda-based handheld device developer BrainScope has raised $5.6 million through a notes offering, according to a filing with the Securities and Exchange Commission. The company, whose product assesses a patient’s brain function, said it still plans to raise another $925,000.

Moves

Digital agency Tahzoo has moved its headquarters from Bethesda to the District: 1808 Florida Ave. NW, Washington, DC 20009.

Name changes

McLean-based ENC Marketing & Communications has changed its named to ENC Strategy.

New Jersey-based developer of global trade management technology Management Dynamics, which has an office in McLean, has changed its name to Amber Road.

New products & services

Reston-based sentiment and text analytics software firm Clarabridge said it has released Russian and German language versions of its Clarabridge Navigator.

District-based daily deals company LivingSocial began offering food ordering and delivering as part of its LivingSocial Instant service. The company also announced its Room Service, which offers “white glove” delivery from restaurants, and its Instant Escapes, which allows users to book last-minute weekend trips at discounted rates.

Herdon-based tech company YaSabe has released a new Android app designed to help users search for local businesses in Spanish and English, based on their location.

— Compiled by Shawn Selby