One International Place consists of three separate but connected buildings. The cylindrical component is 46 stories and 600 feet, the taller rectangular mass is 27 stories and 365 feet, and the smallest component is 19 stories and 263 feet. This modern skyscraper is very prominent in the city's skyline, particularly when viewed from Boston harbor or across one of the local bridges at Fort Point Channel.

Two Oliver Street offers companies extreme flexibility, a location in the heart of Boston’s Financial District one block from Post Office Square, and new ownership that is committed to its tenants. The main lobby of Two Oliver Street is appointed with granite flooring and wall surfacing. Elegant light fixtures accent the 14’ ceilings and a maple and mahogany reception desk is located in the center of the lobby.

125 High St is a 30-story, 950,000 square foot (88,000 square meter) office tower. It sometimes also known as the Oliver Street Tower. Along with the two towers it also includes three restored 19th century buildings at with six stories, 5 stories and 4 stories. The Fire Department also makes the office towers one of the only highrise with a fully contained municipal fire department. . Standing 452 feet (138 m) tall, the highrise is currently the 22nd-tallest building in the city

The New England Telephone and Telegraph Building rises 298 feet into the skyline of Boston's financial district. The building formerly headquartered the New England Telephone company, but is currently used by Verizon Communications. Its construction was completed in 1947 and it overlooks the Post Office Square Park to the north.

The art deco building at 185 Franklin St. is like a slice of telephone history. In an alcove off the lobby, a small exhibit open to the public gives a history of the development of the telephone. A massive mural circles the lobby, showing the history of the telephone -- from Alexander Graham Bell's invention, to operators manning manual switchboards, to linemen working on phone poles.

Situated in the heart of Boston's Financial District, one block from Post Office Square and amidst the city's premier office towers, 230 Congress Street is strategically situated on a main fiber optic loop. As a result, 230 Congress Street has attracted the world's finest telecommunications companies and has become Boston's most mature 'Carrier Hotel'.

Originally constructed in 1926 and completely renovated in 1981, with a façade restoration in 1994, One Liberty Square consists of a total of 157,585 square feet of Class-A office space located in the heart of Boston's Financial District. The property is well known as one of Boston's classic office buildings from the 1920's, and is considered to be one of the finest office restorations in the city. One Liberty Square is located in what is widely considered the Financial District's epicenter, and is in proximity to several of Boston's Class A office towers. The 100% leased property also offers convenient access to Boston's interstate highway network, public transportation, and several area amenities including historic Faneuil Hall, Boston's top tourist attraction.

One Post Office Square is a 40-floor Modern skyscraper in the Financial District section of Boston, Massachusetts. The skyscraper is Boston's 10th-tallest building, standing 525 feet (160 m) tall. The exterior is modern style sculpted tower that consists of a steel frame with a concrete aggregate facade. [2] The three-story lobby is finished in patterned Rosso Verona and travertine marble walls and floors accented with mirror bronze signage, hand rails, and window bands. [3] HVAC is controlled by an automated, Energy Management System for maximum comfort and efficiency. [4]The building is connected to the Le Meridien Hotel at ground level by a private passageway.

The State Street Trust Building is the 75 Federal Street portion of the building. The Art Deco building was designed by Thomas M. James in 1929. [2]. In the late 1980s, the Boston Redevelopment Authority allowed for the elimination of smaller narrow streets to create larger building parcels. This is how an L-shaped parcel was created to make room for 101 Federal Street. The exterior surfaces of the 21 story building at 75 Federal consists of low relief figurative and floral bands on street level floors. The exterior also features bronze panel sculptures depicting finance, architecture and sculpture, agriculture, power and transportation . The exterior of the 31 story building at 101 Federal features masonry construction clad with smooth Indiana limestone panels. The surfaces have 101 Federal has raised circles and brushed aluminum. The lobby features floors of black and dark red terrazzo, with zinc and brass dividers and marble inlays. 101 Federal features wood elevators.

The Atlantic Avenue building sits in the heart of Boston's waterfront, between the Boston Harbor Hotel and a U.S. Coast Guard facility. It is across the street from Boston's fire department headquarters and the city's Financial District.

Constructed: 1917 - 1918. The building opened in 1918 as the Appraisers Stores. As an official warehouse or appraisal depot for the Custom House, the building ws primarily used as storage for goods seized by Custom officers, or goods waiting inspection at the nearby Custom House. The federal building in Boston is named for Captain John Foster Williams (1743-1814), a prominent figure in U.S. naval history. Williams was born in Boston, Massachusetts and started his career at sea at the age of fifteen. During the Revolutionary War, beginning in 1776, Williams commandeered several sea vessels and established a reputation as an accomplished seaman and officer. Located at 408 Atlantic Avenue, in Boston's waterfront and Rowe's Wharf District. This eight-story building, originally known as the Appraiser's Stores, was constructed in 1917 by the government as part of a campaign to utilize the waterfront property for storage, seizure and inspection of goods destined for the nearby Customs House. The safeguarding of goods recognized the critical role of the Customs Service in generating revenue, and the need for secure, fireproof quarters to protect goods, records and receipts. As constructed the building was utilized primarily as a warehouse, with open floors finished with painted exposed brick walls. The Williams Federal Building is designed and detailed in a stream-lined industrial manner reminiscent of early German industrial design. The building's curved southwest corner breaks from the common utilitarian box-like shape found in many warehouses. This rounded corner is typical of many steel-frame department stores and office buildings that were built in the late nineteenth and early twentieth centuries.