The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

The firm is retained to design signage, renovations, and additional tenant amenities at 3 Times Square in New York City.

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

Tibor Szegezdy becomes a partner of the firm, now known as Severud-Perrone-Szegezdy-Sturm.

The firm is retained to design signage, renovations, and additional tenant amenities at 3 Times Square in New York City.

The firm is retained to design renovations and an addition to the Solomon R. Guggenheim Museum in New York City. The project is completed in 1992.

Alfred Perrone, Werner Sturm, and Hannskarl Bandel become partners of the firm, now known as Severud-Perrone-Sturm-Bandel (1960).

The firm is retained to design the redevelopment of the James A. Farley Building in New York City and transform it into the Moynihan Train Hall. The three-phase redevelopment is completed in 2021.

The firm is retained to design the United States Tax Court in Washington, DC. A cantilevered block of courtrooms is supported by six slender steel columns along the rear edge while post-tensioned steel cables resist the overturning moment. The building is completed in 1974.

The firm is retained to design One Vanderbilt Avenue in New York City. The high-rise office tower, which includes improvements to the adjoining Grand Central Terminal, is completed in 2020.

The firm is retained to design the Jeppesen Terminal roof, glass walls, and curbside canopies at Denver International Airport. Non-linear analysis of the lightweight fabric and cable tensile structures is facilitated by computer software developed in-house. The airport opens in 1995.

The firm is retained by architect Eero Saarinen to provide structural engineering for his entry in the Jefferson National Expansion Memorial competition. With Severud’s assistance, Saarinen wins the competition with his arch design in 1948.