Ruff-Inn-It is a commercial site in Mount Zion, Illinois constructed in 2016. Mann Engineering & Surveying provided site engineering and surveying services for the project.

Prairie Winds Subdivision is a residential development in Forsyth, IL with improvements constructed in 2019. Mann Engineering & Surveying provided site engineering and land surveying for the project.

HSHS Medical office building constructed in Chatham, IL in 2017. Mann Engineering & Surveying provided site engineering and surveying services for the project.

HSHS Medical office building constructed in Maryville, IL in 2018. Mann Engineering & Surveying provided site engineering for the project.

Central Illinois Regional Dispatch Center building constructed in Decatur, IL in 2018. Mann Engineering & Surveying provided site engineering and surveying services for the project.

New fire training building and pavement constructed in Decatur, IL in 2019. Mann Engineering & Surveying provided site engineering and surveying services for the project.