Berkeley Capital Management agreed to acquire Delta Asset Management from ING Investment Management, said James E. Landau, Berkeley CEO. Terms were not disclosed. The deal is expected to close later this year. The combined company will employ 30 people and manage more than $5 billion in assets under management. Mr. Landau said there are no plans to lay off any Delta employees. Robert Crispin, ING Investment president and CEO, was unavailable for comment; the firm's compliance officers, Michael McComb and Michael Geoffrey, did not return calls by press time for comment.