McCay Tool & Engineering Co

McCay Tool and Engineering is a St. Louis, Missouri manufacturer of aerospace components. It makes precision aircraft parts and support equipment.

The company has been in business for more than 70 years. It says its customers include major aerospace companies such as Boeing and Lockheed Martin. It also works for the United States government and the governments of its allies. McCay builds custom parts for all types of aircraft and support equipment. Its specialty is low volume, high mix production.

The company lists several military aircraft programs that it supports. These are the Boeing F/A-18E/F Super Hornet, F-15, KC-135, AH-64 Apache and T-X trainer. They also include the Lockheed Martin F-35 and F-22.

McCay makes parts from raw metal. Its core capabilities are fabrication, CNC milling, 5-axis machining, CNC turning, assemblies, cylindrical grinding and programming. The company says some of its signature products are only possible through a precise cylindrical grinding process. It aims to keep quality high and costs low through ongoing programming improvements.

McCay also lists capabilities from TIGHITCO. These include complex composite part design, engineering, fabrication and assembly. They also include assemblies and integrated structures for aerospace, defense, industrial and agricultural machinery. Insulation and textile products protect parts from high temperatures. Overhaul support and MRO services cover aircraft and rotorcraft. A mobile NDT team offers rapid AOG response, heavy maintenance and field inspection anywhere in the world.

On quality, the company lists AS9100 and ISO 9001:2015 certification. It also lists a Boeing D6-51991 approval and ITAR registration.

Services

• Fabrication
• CNC milling
• 5-axis machining
• CNC turning
• Assemblies
• Cylindrical grinding
• Programming
• Complex composites
• Insulation and textiles
• Mobile NDT