Ed Armenta and Doug Carrion, formerly of Zwelling and Associates, have established the Armenta-Carrion Lighting Group (A-C Lighting Group), Gaithersburg, Md. This newly formed sales agency represents W.A.C. Lighting, Garden City, N.Y., throughout Maryland, Washington, D.C., and northern Virginia.

Klein Tools, Chicago, has named B.N. Yanow Co., Brockton, Mass., as its representative for Connecticut, Rhode Island, Maine, New Hampshire, New York and Vermont. Thea & Schoen Inc., Clifton, N.J., will represent Klein Tools for the New York and New Jersey metropolitan area.

Hubbell Electrical Products, South Bend, Ind., has named T.F. Farmer Co., Greensboro, N.C., as its representative in North Carolina and South Carolina. Hubbell also named I. Arnold Hoge Associates Inc., Norcross, Ga., as its agent in Georgia, Alabama and Florida's panhandle. GCA, Tampa, Fla., will cover Florida, except the panhandle.

Alkco Lighting, Franklin Park, Ill., has announced three new sales representative organizations in the southeast. First Light of Virginia, Virginia Beach, Va., will represent Alkco throughout eastern Virginia. Genlyte Louisville, Louisville, Ky., will represent the manufacturer in Kentucky. The Helfrich Agency Inc., Richmond, Va., will cover central and western Virgina, including Roanoke.