Barr & Barr, Inc. | 4,662 followers on LinkedIn. Building with Integrity since 1927 | Today Barr & Barr is one of the nation's elite construction companies, recognized by Engineering News Record as one of the nation’s top Construction Managers. A specialist since the 1950s in cultural/historic restoration, academic, healthcare, and research projects. Barr & Barr is known for its team approach and ingenuity in problem-solving.