Southern Indiana Steel Inc.

Southern Indiana Steel Inc. is a small business manufacturer located in Loogootee, Indiana, specializing in fabrication, machine shop services, and manufacturing of precision components and assemblies primarily for Department of Defense agencies. As a for-profit Subchapter S Corporation registered in SAM.gov since 2002, the company provides critical technical manufacturing solutions to various military branches. The company's core competencies include producing specialized parts for strategic weapons systems, naval shipbuilding, and missile defense operations, with a strong focus on delivering high-precision components that support national defense infrastructure.

Through its federal contract awards, Southern Indiana Steel Inc. has consistently provided a diverse range of specialized products to multiple defense agencies, including the Naval Sea Systems Command, Naval Strategic Systems Programs, Marine Corps, and Air Force. The company's contract awards have included fabricating components such as high-temperature window assemblies, winch carriages, O-ring installation kits, semiconductor thyristor units, handling fixtures, shipping and storage assemblies, foam inserts, and various mechanical components like alignment pins, transport chains, and restraint rings. Many of these contract awards have been set aside for small businesses, with contract values ranging from $1,580 to $244,500. The company has worked with prime contractors like Atlantic Diving Supply, Inc. and directly with federal agencies, demonstrating versatility in delivering mission-critical manufacturing solutions.

Southern Indiana Steel Inc. holds a significant $50 million blanket purchase agreement (BPA) with the Naval Sea Systems Command, effective from October 1, 2022, through September 30, 2027. This master agreement enables the company to provide fabrication and machine shop services across multiple Department of Defense initiatives. The BPA allows for task orders supporting sea-based nuclear deterrent programs, shipbuilding, and missile defense operations. Under this agreement, the company can receive task orders from various naval commands, with individual task order values ranging from a few thousand to several hundred thousand dollars. The BPA's broad scope allows Southern Indiana Steel Inc. to respond flexibly to the Department of the Navy's evolving manufacturing and logistics needs, positioning the company as a strategic small business partner in supporting critical defense infrastructure.