Alfred Benesch & Co

Clapsaddle-Garber Associates (CGA) is a civil engineering firm based in Marshalltown, Iowa, with expertise in a wide range of services including agricultural drainage, aviation engineering, land development, and water resource management. Established in 1959, CGA is dedicated to partnering with rural clients and municipalities to provide innovative engineering solutions tailored to community needs. In addition to engineering services, CGA offers comprehensive land surveying, GIS services, and grant funding assistance, facilitating improved infrastructure and development projects. Their team of certified professionals ensures quality construction administration and observation, helping clients navigate the complexities of both public and private sector projects. Generated from the website

Nilles Associates Inc, located in Ankeny, IA, specializes in a comprehensive range of civil engineering services. Their expertise encompasses site design, land development, stormwater resources, traffic transportation, wastewater management, potable water systems, land surveying, and landscape architecture. Committed to delivering high-quality solutions, Nilles Associates is dedicated to enhancing community infrastructure and supporting sustainable development. Their team of professionals brings a wealth of experience and knowledge to every project, ensuring effective and innovative results for their clients. Generated from the website

History & Ownership Having been established in 1968, A. Leo Pelds Engineering Co ( A.L.P.E.C. ) has served as a civil engineering consulting and land surveying firm for 40 years. The Des Moines company was owned and operated by A. Leo Pelds until 1998, when co-ownership was assumed by his son and daughter, Voldemars Pelds and Ingrida Steinblums A.L.P.E.C. is proud to offer its clients more than 65 years of combined engineering and land surveying experience. The firm is presently staffed by three Professional Engineers, one Profession Land Surveyor, one Engineer in Training, one Land Surveyor in Training, three Engineering Technicians, one Surveyor and two clerical staff members. A.L.P.E.C. provides civil engineering and land surveying services in Iowa, Illinois, Michigan, Missouri, Nebraska and Colorado. As a principal civil engineering and a s a conultant on land development profects, A.L.P.E.C. provides design, surveying and construction management services for residential, commercial and industrial subdivisions. Recent projects include: Grant Park, a residential subdivision in Waukee, Iowa -Berkshire Commons Office Park in Clive, and the Iowa -Spaghetti Works re-development project in downtown Des Moines, Iowa.