Contact Us See why customers have chosen to work with Gumans Welding for 30 years. Our customer-friendly atmosphere and attention to detail are just some of the great assets we have to offer. sarah@gumanswelding.com 570-383-0383 109 River St Olyphant, PA 18447 Monday - Friday 8:00 AM - 4:30 PM Online Contact Form Name Email Address Company Name Subject Message Number Send