Heat treating, brazing, and metal finishing services. Metallurgical resources. Servicing automotive, aerospace, medical, agricultural and more. Nadcap, QS9000, ISO9001, AS9100 and Ford HTX approved facilities.Paulo Heat Treating, Brazing and Metal Finishing About Paulo Quality Capabilities Plant Locations News & Events Request Quote Resources Employment Contact Us Sitemap Heat Treating | Brazing | Metal Finishing 5711 West Park Avenue - St. Louis, Missouri 63110 | Tel: (314) 647-7500 | Fax: (314) 647-7518