Poepping Stone Bach & Assoc

Located in Quincy, Ill., Klingner and Associates offers a wide range of professional services, including civil, environmental, geotechnical and structural engineering. The firm also provides architecture, planning, land surveying and geographic information systems. It offers services to individuals, industrial and commercial businesses, municipalities and government agencies. The firm has branch offices in Hannibal in Missouri and Burlington in Iowa. Incorporated in 1985, it offers a wide range of engineering services for the supply, treatment, transmission and distribution of water. The firm also provides the collection, treatment and reclamation of wastewater and drainage, levee district and flood control services. Klingner and Associates designs streets, highways, bridges and airports.

Quigg Engineering, Inc is a Transportation Engineering Consulting Firm founded in 2006 by Lori Quigg. Quigg Engineering, Inc will work together with the client, using practical experience and common sense to provide professional quality services; emphasizing technical details, accuracy, and professionalism. Our employees have over 90 years combined experience in Transportation, Design, Surveying and Special Studies. Our experience and size gives us the ability to give each clients project a special touch as principals and senior engineers oversee all projects. Quigg Engineering, Inc uses Microstation V8, Geopak, HCS+, Autoturn, HY8 and other required software. Quigg Engineering, Inc headquarters is located in Jacksonville, Illinois with a branch office in Belleville, Illinois.