Implementations of the present invention relate to systems, methods, and apparatus for constructing a building. More specifically, the present disclosure provides an interlocking wall system that can allow a builder to accurately position, orient, and/or secure various structural wall modules. Additionally, this disclosure provides systems and methods for securing one or more cladding layers to the building's envelope. Furthermore, implementations of the present disclosure can allow for quick and modifiable installation of utility and communication lines within the building.