AJO Concrete Construction is a manufacturer and supplier that specializes in site concrete construction. The company operates a concrete ready-mix plant in Baltimore. AJO Concrete Construction is a minority business enterprise certified by the Maryland Department of Transportation. The company also features a milling division and has milled runways at airports, major highways, and intercounty and city roadways. Additionally, it undertakes various other jobs, such as milling parking lots and full-depth asphalt repair. The company s capabilities include cutting surfaces to meet required slope along with tie-ins for road and highway overlay. Its team includes group of managers, superintendents, foremen and office staff. AJO Concrete Construction maintains its headquarters in Annapolis Junction, Md.