With experience in commercial contracting and professional industry practices, Modern Development USA understands technical, business, regulatory and legal matters, allowing us to identify key issues quickly and find the best solutions for our clients. Our clients hire Modern Development USA to ensure that every aspect of their capital project or program is properly governed, well-executed and fully supported from beginning to end. Commerical Building Envelope Contractor and Engineering Firm. Specializing in: Roofing Waterproofing Concrete Restoration Licensed General Contractor CGC1504639 Licensed Roofing Contractor CCC1332364