![APS Buildings 401 and 402](Images/APS023hSmall.jpg)
APS Engineering Support Division (AES)
The APS Engineering Support Division provides reliable operations and technical support to the Advanced Photon Source user community. AES works to ensure that the Advanced Photon Source maintains its status as a preeminent scientific user facility.
Learn more »What's New
The Center for Nanoscale Materials (CNM) is complete! The CNM is a two-story, 85,000 square foot structure adjoining the west side of the APS.