Steward Machine Co., Inc.
Directory listingDirectory record status
These labels describe this UNITEMFG record. They do not guarantee current capabilities, certifications, capacity, quality, or fit for a specific job.
- Directory listing
- Listed
- Ownership
- Unclaimed
- Website evidence check
- Checked Jul 13, 2026
- Evidence reviewed
- Not recorded
- Last evidence review
- Not recorded
About
Steward Machine Co., Inc. stands as a premier heavy machinery manufacturer in Birmingham, Alabama, delivering comprehensive turnkey solutions since 1904. Operating from 290,000 square feet of manufacturing space across three facilities, this AISC-certified company specializes in CNC precision machining, metal fabrication, welding, and complex assembly operations. With 500-ton lifting capacity and heavy CNC equipment, Steward Machine serves critical infrastructure sectors including movable bridges, hydropower, lock and dam systems, and aerospace applications. The company maintains prestigious certifications including AASHTO, AGMA, NHA, and NSBA standards, ensuring quality compliance across demanding industrial projects. Their experienced workforce, with over 20 percent receiving longevity pay, demonstrates exceptional retention and expertise in precision manufacturing. Steward Machine offers complete project management from engineering design through final delivery, supported by comprehensive quality control processes and specialized coating services. Strategic advantages include direct rail spur and barge access for efficient transportation of oversized components. Notable achievements encompass the Murray Morgan Vertical Lift Bridge in Tacoma, Miller Park retractable roof in Milwaukee, and the Charleroi Lock and Dam in Pennsylvania. Their century-plus heritage combines traditional craftsmanship with modern manufacturing technology, positioning Steward Machine as a trusted partner for complex industrial machinery projects requiring precision, reliability, and proven performance in challenging engineering applications.
Specialties
Certifications & Quality
Business Certifications
Source-backed capabilities
These capability statements were observed in the linked manufacturer sources. They are source evidence, not a certification of the company or its current capacity.
Certification
- AISC Certified
Our commitment to quality, safety, and customer satisfaction sets us apart as a trusted partner for complex and large-scale fabrication needs. AISC CERTIFIED HSS Steward Machine’s Inspection Dept has over 100 years of experience in Quality Control, and with Inspectors working bot
Services - Steward Machine ↗ Observed Jul 13, 2026
Process
- Metal Fabrication
long. With this extensive range of equipment, we are equipped to handle large-scale and complex projects with unparalleled precision and efficiency. Metal Fabrication and Welding With over 500 tons of lifting capacity and barge access, SMC specializes in precision metal fabricati
Services - Steward Machine ↗ Observed Jul 13, 2026 - Precision Machining
covering every corner of the project from blue print to the final bolt CNC Precision Machining We have some of the largest CNC machinery in the world, enabling us to meet the tightest tolerances and most exacting specifications. Our state-of-the-art CNC lathes are capable of hand
Services - Steward Machine ↗ Observed Jul 13, 2026 - Welding
range of equipment, we are equipped to handle large-scale and complex projects with unparalleled precision and efficiency. Metal Fabrication and Welding With over 500 tons of lifting capacity and barge access, SMC specializes in precision metal fabrication and custom manufacturin
Services - Steward Machine ↗ Observed Jul 13, 2026