42 Years of experience in the Installation and construction of

commercial plumbing, heating and air condition systems.

Our mission at LDG is to be recognized as an honest and professional company that exceeds all of the expectations of its clients. We consistently strive for improvement in the quality of our installations as well as the safety of our work environment.

About Us

LDG CORPORATION is a mechanical contracting company specializing in the commercial installation of plumbing, heating, air conditioning & ventilation systems. We have established ourselves as one of the leading mechanical contracting companies serving central and southern New Hampshire.

LDG CORPORATION is a family owned and operated business and has more than 42 years of experience in the mechanical contracting business. The business began as a small plumbing and heating company in 1972 and operated as Luc D Girard Company until 1977, when it became incorporated and began operation as Luc D. Girard Co Inc. In 1990 the name changed to LDG CORPORATON and today, the business continues to operate as a full service mechanical contracting company under that same name.