We manufacture for our clients expertly crafted crankshafts which meet specifications and are delivered on time. Southern Illinois Crankshaft, Inc. is big enough to meet the most demanding challenge, yet small enough to give you the personal attention and expeditious service you need. We do every job with craftsmanship, speed and precision that is second to none. While maintaining our core areas of expertise, we have become specialists in pump cranks used for oil field production. With our investments in modern technology, and with a staff of dedicated and talented machinist, every product is delivered with precise craftsmanship that we can be proud to call our own.