Four large regional CPA firms have joined the membership of CPAmerica International during the first half of 2007.The new member firms include two from Alabama, one from Ohio and one from Texas. Together, they employ nearly 200 staff members. Anglin Reichmann Snellgrove & Armstrong, PC, with offices in Huntsville, Ala., and Packer Thomas, with offices in Youngstown, Ohio and New Castle, Pa., signed on as members in early January. In March, Birmingham, Ala.-based Donaldson, Holman & West, P.C., joined the network.