In business since 1969, we have the experience to meet your project needs. We bring expertise to many types of projects including land development, public works projects, site design and more.. D'Onofrio,Kottke & Associates is a Civil Engineering and Land Surveying firm providing services across Southern Wisconsin. Other firms will specialize in one service,but they can't comprehensively oversee a multi-faceted project. When it comes to civil engineering and land surveying,we have the best of both worlds: we are large & capable,yet small enough to specialize.