William LaBarthe Steele was an American architect from Chicago, Illinois. He is considered a principal member of the Prairie School Architectural Movement during the early 20th century.
Purcell & Elmslie (P&E) was the most widely know iteration of a progressive American architectural practice. P&E was the second most commissioned firm of the Prairie School, after Frank Lloyd Wright. The firm in all iterations was active from 1907 to 1921, with their most famous work being done between 1913 and 1921.
Linden House, built in 1950 in Vermillion, South Dakota, is notable as a rare example of postmodern architecture in South Dakota. It was designed by Sioux City architects Hugill, Blatherwick & Fritzel. It was listed on the National Register of Historic Places in 2001.
The Grand Lodge and Library of the Ancient Free and Accepted Masons in Sioux Falls, South Dakota is a building from 1924. It was listed on the National Register of Historic Places in 1976. The architects were Hugill & Blatherwick of Sioux Falls.
The Iowa Bridge Company was a company that designed and built many bridges that are listed on the U.S. National Register of Historic Places.
Charles N. Daniels (1828-1892) was an American architect active in Minnesota, North Dakota, and Washington.
Perkins & McWayne was an architectural partnership of Robert Perkins and Albert McWayne.
Standard Bridge Company was an American bridge company that was "one of the most important bridge building firms in Nebraska history."
Joseph Schwartz, known also as Josef Schwartz, was a notable architect of Sioux Falls, South Dakota.
Charles Emlen Bell (1858–1932), often known as C.E. Bell, was an American architect of Council Bluffs, Iowa and Minneapolis, Minnesota. He worked alone and in partnership with John H. Kent and Menno S. Detweiler. He also worked as part of Bell, Tyrie and Chapman. A number of his works are listed on the U.S. National Register of Historic Places.
Omeyer & Thori was an architectural partnership of Diedrik A. Omeyer (1850-1907) and Martin P. Thori (1864-1905). The two were immigrants from Norway.
Wallace L. Dow (1844-1911), often known as W. L. Dow, was an architect of Sioux Falls, South Dakota. He has been referred to as the "Builder on the Prairie" and was "considered the premier architect of South Dakota in the late 19th century."
The Ziebach County Courthouse is located on Main Street in Dupree, the county seat of Ziebach County, South Dakota. It is a three-story structure, faced in brick, with modest Classical Revival styling. It was designed by Hugill and Blatherwick of Sioux Falls and built in 1931–32, replacing inadequate and deteriorating facilities that included the county's first courthouse, built in 1911. The building is roughly rectangular in shape, divided into three sections, one of which projects slightly. The appearance of this section is one of a portico, with pilasters supporting an triangular gabled pediment. The building is, despite its relative architectural simplicity, one of the largest and most architecturally distinctive buildings in the county, and has housed most of the county offices and court facilities since its construction.
Beuttler & Arnold was an architectural firm in Sioux City, Iowa that designed several works that are listed on the National Register of Historic Places for their architecture.
Sundberg & Sundberg was an architectural firm based in Idaho Falls, Idaho. Among its works are several county courthouses. Several of its works are listed on the National Register of Historic Places for their architecture.
Gilbert R. Horton FAIA (1888–1985) was an American architect in practice in Jamestown, North Dakota from 1913 until 1980.
The Clark County Courthouse at 200 N. Commercial St. in Clark, South Dakota serves Clark County. It was listed on the National Register of Historic Places in 2002.
Kings & Dixon was an architectural firm based in Mitchell, South Dakota. A number of its works are listed on the National Register of Historic Places.
August Goetz was a building contractor based in Yankton, South Dakota who is credited with constructing many churches, public buildings, and houses throughout the state. Several of his works are listed on the National Register of Historic Places (NRHP).
Burton E. Morse, was an American architect based in Twin Falls, Idaho, United States. Several of his works are listed on the National Register of Historic Places (NRHP).
