The company offers engineering, environmental consulting, program management, and construction services.

[2] It was founded in 1925 in New Orleans as Doullut and Ewin, Inc.[3] The company operates with a workforce of 1200[2][4] people at more than 50 offices in 20 states and the District of Columbia.

[4] Volkert was ranked at 88 among the top 500 design firms in the United States in 2022 by Engineering News-Record.

[3] Its purchase of Allied Engineering and Testing Inc. of Fort Myers, Florida was announced in October 2012.

Allied Engineering and Testing Inc. employed 90 people in five Florida-based offices at the time of acquisition.