About Us

Corporate Overview

Cornerstone PDC, based in Manchester, NH is a full-service building construction firm that specializes in commercial, industrial and institutional projects. Cornerstone and its personnel enjoy an industry-wide reputation for innovation and total commitment to quality.

In addition to conventional general construction services, Cornerstone offers a comprehensive range of supplemental services such as Construction Management, Design-Build, Program Management and Facilities Management.

From pre-construction services and design development through construction and project closeout, Cornerstone can be relied upon to provide the highest levels of service to its customers.


Personnel and Industry Partners

Cornerstone employs some of the most seasoned construction professionals in the industry. From Field Superintendents and Craftspeople to Project Managers and Senior Management, you can be assured that only the most experienced people are involved in your project.

The subcontractors and vendors that we bring to your project are the best the industry has to offer. All of our construction partners are carefully vetted and their experience level verified for each project we undertake.