Marathon Modular design and construct modular buildings using comprehensive and sustainable building methods. Since we started over 15 years ago, Marathon Modular buildings have been made perfectly as temporary or permanent use and can be delivered and installed to any destination throughout Australia. We are passionate and dedicated in our aim to offer design satisfaction through innovative modular building solutions. Our modular building capabilities range from demountable classrooms, portable buildings for Amenities or changeroom facilities, switch room and control room buildings, and specialized office building complexes. We also manage the Architecture and design for our clients.