go Results Found: 3 Button group with nested dropdown IPG Photonics Corporation IPG Photonics Corporation 50 Old Webster Road Oxford MA 01540 (508) 373-1100 Gentex Optics Gentex Optics 183 West Main Street Dudley MA 01571 (508) 943-3860 Jeffco Fibres, Inc. Jeffco Fibres, Inc. 12 Park Street Webster MA 01570 (508) 943-0440