World-Class Precision Custom Injection Molders For Over 50 Years | Call Us: 866-886-2626

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Welcome to our online office

We'd love to hear from you. Please give us a call or fill out the short form below to let us know if you have questions or need more information on our precision plastic injection molding services.

If it would help to specify more detailed information, such as your industry or company information, please use our Detailed Contact Form.

147 River Street
Oneonta, NY 13820
Phone: 866-886-2626
Fax: 607-432-7861*
*No unsolicited faxes accepted.

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What Our Clients are Saying...

  • Community Involvement

      Our class would like to thank you for opening the company for us and allowing us to grow and become more educated in one of the many fields of engineering. We appreciate the opportunities you gave us, and we look forward to possibly coming back to the company in the near future.  

    Athena Basdekis and the Engineering Class of 2018, Otsego Area Occupational Center

  • Frirsz Music Company

      We are happy we brought our business to MAMCO!  

    Thomas Dunn, Frirsz Music Company

  • Custom Electronics

      MAMCO provides us with the quality and consistency that we seek in order to continue providing excellence to our own customers. MAMCO has always been responsive to the requirements of our overmolding projects, and very pleasant to work with.  

    Michael Shulte, Custom Electronics

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