There are many great sites on the World Wide Web but trying to actually find those great sites can be a frustrating experience. We have compiled a list of Websites that we have found to be helpful resources of information. When you click on a link, a new window will pop up. Close the window when you are ready to return to this page. Professional Contacts AGN International (AGN) is a world-wide association of separate and independent accounting and consulting firms serving business organizations throughout the world. Member firms of AGN assist clients in meeting the challenges posed both by successful domestic and cross-border ventures. These firms advise companies on diverse financial and tax rules governing local, national and international commerce. Through AGN, clients tap a world of professional knowledge. Deltek Systems, Inc., has a 20-year track record of providing government contractors with effective and reliable project accounting solutions. Lanigan, Ryan, Malcolm & Doyle has teamed with Deltek – together, our goal is to offer the government contractor the best value in products and services. The American Institute of Certified Public Accountants is the national, professional organization for all Certified Public Accountants. Its mission is to provide members with the resources, information, and leadership that enable them to provide valuable services in the highest professional manner to benefit the public as well as employers and clients.