About Rapid-Line, Inc. . Potential Sign on Bonus $ 3,000.00. Pay range: $20.00 - $24.00. About Rapid-Line, Inc. Rapid-Line, Inc. is an innovative fabrication company that is 100% employee-owned. Our employee-owners pride themselves on personally improving the business process while offering innovative ideas and product design. At Rapid-Line, Inc., we are a family-orientated company that offers our employees an opportunity to move forward with new...