H&E Equipment Services, one of the largest integrated providers of heavy construction and industrial equipment in the U.S., registered with the SEC for an initial public offering Friday morning. The Baton Rouge, LA-based company generated nearly $280 million in sales and an operating margin of 10.4% for the six-month period ended June 2005. CS First Boston and UBS Investment Bank will underwrite the deal. Terms and timing have yet to be announced.