jlg industries, inc., an oshkosh corporation company, is an american designer, manufacturer and marketer of access equipment (aerial work platforms and telehandlers). the company's products are used in construction, fit-outs, industrial maintenance, material handling and facilities maintenance. founded in 1969, jlg operated independently until 2006 when it was acquired by oshkosh corporation. jlg operates globally and is headquartered in hagerstown, maryland, united states. the company celebrated its 50th anniversary in 2019.