Sound Manufacturing, established in 1984, is a leading provider of metal fabrication services and contract manufacturing. We offer an innovative array of capabilities and expertise to the commercial and industrial markets. Sound is committed to quality and has been ISO 9001 certified since 1999. Our engineering expertise together with our extensive precision sheet metal manufacturing and fabrication capabilities enables us to design and develop innovated products and rapidly respond to the needs of our customers.

 51 Donnelley Road, Old Saybrook, CT 06475
 Phone: (860) 388-4466   Fax: (860) 388-4488


With over 100 years of engineering and fabrication experience, the Sound Mfg. engineering team has the experience and diversity to design and develop innovative products utilizing 3D modeling (Solid Works), fixturing and tooling automation. The capabilities of the engineering department enable us to fully utilize our equipment capabilities and lean manufacturing processes to control the cost of fabrication. The results are high quality precision sheet metal fabrication, and increased productivity and efficiency of the production process, which enhance profitability and differentiate us from our competition.


Sound management understands the importance of technology and continuously invests in our fabrication process.

 New in 2011: Trumpf 7036 Press Brake          Lissmac Deburring and Edging Machine

Trumpf Automated CNC Punches


Trumpf Laser Cutting



Sound Manufacturing has been ISO 9001 certified since 1999. In 2010, we were re-certified to the latest ISO 9001:2008 standards. Not only do we have a highly integrated quality management system, we invest in the latest quality inspection technology.


Human capital:

The Sound / Monster team has great diversity and expertise in all aspects of our operations, ranging from management skills, sales representation, engineering capabilities, technical expertise, and quality control which affords the Monster organization the depth of knowledge and experience that is not typical of a new company.

Our focus is to develop strategic alliances utilizing our expertise in design engineering, prototyping capabilities, lean manufacturing technology, value added services, and logistics.
Proudly Made in the USA by Sound Mfg. Inc., ISO 9001:2008 Certified