Custom Builders and Remodelers Since 2004, NBM Custom Builders and Remodelers of Middletown, New Jersey has been a family-owned remodeling company. We specialize in creating custom room additions and complete room remodels. Completely transform your home with NBM Custom Builders and Remodelers. Our company is not only passionate, but also obsessed about making sure your remodeling or design service exceeds your expectations. We are not finished until the end product is the best.