803 Summer Street, 1st Floor
Boston, MA 02127

255 Park Avenue, Suite 508
Worcester, MA 01609

Digital Geographic Technologies, Inc.: A Legacy of Excellence

At Digital Geographic Technologies, Inc., our commitment to support and anticipate our client’s surveying needs is part of a legacy of excellence that spans generations of development in Greater Boston.

Together and in succession, the divisions of Digital Geographic Technologies, Inc. have provided continuous consulting, civil engineering, and surveying services for more than 130 years.

DGT Survey Group

Michael A. Clifford, PLS, and Robert S. Staples, PLS, founded DGT Survey Group in 1997. DGT Survey Group uses veteran field engineers and the latest advances in 3D laser scanning, GIS/Mapping, BIM, and CAD technology to support the need for increasingly complex surveying data. DGT Survey also maintains the oldest private archive of survey plans and data in Greater Boston. Learn more information about DGT Survey Group’s services here.

Gunther Engineering

Digital Geographic Technologies, Inc.'s Gunther Engineering division was founded in 1983 by Gunther Greulich, PE, PLS. Gunther Engineering, Inc., d/b/a Survey Engineers of Boston, served as consultant and surveyor for some of Boston’s largest commercial, institutional, and public works projects, including Boston’s Fan Pier, NorthPoint in Cambridge, and Harvard Business School. Prior to Gunther Engineering, Greulich was a founder of Boston Survey Consultants, Inc.

New England Survey Service

In 1932, H.B. Ullian, PE, RLS, a 1917 MIT civil engineering graduate, founded New England Survey Service, Inc. Under Ullian's direction, New England Survey Service became the largest surveying and aerial mapping firm in New England during the 1950s. Notable projects included construction of the Callahan Tunnel, the Mass Turnpike Extension, and expansion of Children’s Hospital and New England Medical Center in Boston. In 1983, the firm was acquired by Gunther Engineering, Inc.

William S. Crocker / Aspinwall & Lincoln

In 1910, William S. Crocker, C.E., became the successor to Aspinwall & Lincoln, which had offered surveying and civil engineering services in the Greater Boston area and throughout New England since 1877. William S. Crocker's notable projects included mapping the Massachusetts Institute of Technologies campus ("MAPMIT"); mapping various Harvard University campuses in Boston and Cambridge; and surveys for expansion of the Massachusetts General Hospital. In 1954, the firm became associated with New England Survey Service, Inc., and became a division of Gunther Engineering, Inc. in 1983.

J. F. Hennessy Company

In 1922, John F. Hennessy, PE, RLS, a MIT civil engineering graduate, started his private practice in Brookline, Mass., expanding the landscape contracting business started by his family in 1899. Upon Hennessy's retirement, his firm became a division of Gunther Engineering, Inc. Today, J.F. Hennessy Company specializes in complete civil engineering and land surveying for residential and commercial properties in Brookline, Mass. and surrounding communities. Learn more about J.F. Hennessy Company's services here.