EXHIBIT 2.2 AGREEMENT AND PLAN OF MERGER AS AMENDED THIS AGREEMENT AND PLAN OF MERGER (the "Agreement and Plan of Merger"), dated as of October 25, 1996, is by and among MFRI, INC., a Delaware corporation ("MFRI") and MIDWESCO, INC., an Illinois...Merger Agreement • January 10th, 1997 • Mfri Inc • Industrial & commercial fans & blowers & air purifing equip • Delaware
