Powell Industries, Inc., (POWL: chart), said it sees Q1 profit in the range of 6 cents to 11 cents a share. For fiscal 2006, Powell Industries expects net income between 45 cents and 55 cents a share on revenue of $300 million to $325 million.

Winnebago Industries Inc., (WGO: chart), motor homes and self-contained recreation vehicles manufacturer, reported Q1 earnings of 44 cents a share, down from 57 cents a share in the year-earlier period, beating analyst estimate of earnings of 42 cents a share.Sales fell to $232.3 million from $266.1 million.

Argon ST, Inc., (STST: chart), maker of systems and sensors for military applications, announced that Q4 net income soared 95% to 29 cents a share from the year-ago period matching analysts’. Sales more than doubled. Argon envisages fiscal 2006 revenue in the range of $330 million to $345 million.

Cubic Corp., (CUB: chart), service electronic products manufacturer, reported Q4 earnings of 19 cents a share, down from 35 cents a share in the year-earlier period, missing analysts’ expectations of 21 cents a share Sales rose to $219 million from $185 million.

Charles River Laboratories International, Inc., (CRL: chart), research tools and integrated support services provider, restated its 2005 guidance and announced it envisages 2006 earnings in the range of $2.07 to $2.13 a share on revenue up 7% to 9%. In addition, the company intends to repatriate up to $150 million of its accumulated income earned outside the U.S.