About Us

For over 20 years, our staff at Northeastern DMI has been the strong foundation used to assist architects and builders by offering complete custom window and door solutions.


Our People

Our team, many that have 15 to 30 years of building industry and architectural design experience, work hard to provide architects and builders the guidance needed to choose the windows and doors that could benefit them the most.


With helpful information and a habit of creating strong, exceptional customer relationships, our staff is here to help you ensure the longevity of your investment


    • Main Office
    • Phone - (908) 754-2115
    • Fax - (908) 755-8913

    • Colin Coryell - General Manager
    • Email - ccoryell@nedmi.com

    • George Knowles - Territory Manager
    • Mobile - (516) 991-9003
    • Email - georgek@nedmi.com

    • Lou Ammirati - Territory Manager
    • Mobile - (609) 218-8024
    • Email - loua@nedmi.com



Our In-House Services

With over 10 years experience, our service technician can provide assistance for almost any job-related activity. Additionally, our service technician is equipped with a fully stocked service vehicle, a thorough product knowledge, and training to service all of the products we provide in a professional and timely manner.


Delivery is completed expeditiously to you when the product arrives from our suppliers. For more information about our Service Department, or to contact, please email us here.


Our Showroom

Displaying the products we provide has been one of the keys to helping our customers make important decisions. Our showrooms are fully stocked with examples of our most popular products to give you a real-world preview of what you're ordering.


South Plainsfield, New Jersey - (Get Directions)

Operating Hours: 8am to 5pm Monday through Friday

Phone Number: (908) 754-2115    Fax Number: (908) 755-8913