Nsi Crankshaft, LLC

Partner with a world leader in the manufacturing of precision-machined crankshafts.

NSI Crankshaft is a leader in the manufacturing of precision-machined crankshafts for the world’s OEM producers of engines, pumps, and compressors.

We provide total engineering solutions, from guidance through the development of new crankshaft designs and materials, to testing and final production. Look to NSI as your creative, collaborative partner committed to delivering the innovation and performance you need.

The only crankshaft manufacturer in the world to have complete vertical integration, NSI maintains control over every step of the production process – ensuring you of consistent, high-quality products at a competitive price and delivered in a timely manner.

Every day, the experienced and dedicated 100+ team members of NSI Crankshaft work to provide innovative solutions, competitive pricing, and the timely delivery of superior quality crankshafts for customers in commercial automotive, diesel, oil & gas, and military markets.

We are valued partners, trusted to develop new crankshaft designs and materials that help our customers deliver exceptional performance and reliability in their products.

Vertically Integrated

NSI Crankshaft is the world’s only crankshaft manufacturer to offer complete vertical integration of its crankshaft manufacturing. All steel making, forging, machining, and heat treatment are provided by NSI Crankshaft or a subsidiary of Nippon Steel Corporation & Sumitomo Corporation.

We are valued partners, trusted to develop new crankshaft designs and materials that proactively meet our customers’ needs for innovative solutions to challenges.

Why Choose NSI

• Responsive – We can assist OEMs in mission-critical operations on a timely basis because of available equipment in storage and the location of our manufacturing and production facility, which offers easy access to major highways and railways
•  Creative – To minimize project costs, we maximize the use of available equipment or tooling on hand or in the market to fit the needs of our customers
•  IATF 16949 Certified – To ensure quality, NSI Crankshaft is certified for IATF 16949
  • Download IATF 16949 Certificate
  • Download NSI ISO14001 Certificate US014775
•  Stable – Nippon Steel Corporation and Sumitomo Corporation have more than 100 years of manufacturing experience
•  Accessible – Based in Fostoria, Ohio, our 205,000-square-foot manufacturing facility offers easy access to major highways, railways, and airports