The four NNIN sites supporting extensive computational nanotechnology each has at least one dedicated computational scientist to assist users. These are all published Ph.D. scientists who are experts in at least one area of computational nanotechnology. Computational nanotechnology is rarely a plug and play project. There are many assumptions and choices that go into every calculation, some of them not being particularly obvious. The NNIN Compuational Technical Liaisons can assist users in selecting the proper codes or even modifying codes to meet a particular need. Please contact them directly to discuss your computational nanotechnology project.