
Adventures in Preservation, formerly named Heritage Conservation Network, is a non-profit organization dedicated to safeguarding the world’s architectural heritage. Its programs give volunteers from all walks of life the opportunity to be involved in preservation in a variety of hands-on ways.

The American Institute for Conservation (AIC) is a national membership organization of conservation professionals, headquartered in Washington D.C..

The Ancient Monuments Society (AMS) is a learned society and registered charity in England and Wales, founded in 1924 "for the study and conservation of ancient monuments, historic buildings and fine old craftsmanship".

The Arab Regional Centre for World Heritage is a Category 2 Centre under the auspices of UNESCO. founded as an autonomous and independent Bahraini public institution in 2010.

The Big Sur Land Trust is a private 501(c)(3) non-profit located in Monterey, California that has played an instrumental role in preserving land in California's Big Sur and Central Coast regions. The trust was the first to conceive of and use the "conservation buyer" method in 1989 by partnering with government and developers to offer tax benefits as an inducement to sell land at below-market rates. As of 2016, it has protected around 40,000 acres (16,187 ha) through acquisition and resale to government agencies. It has added conservation easements to another 17,000 acres (6,880 ha) and has retained ownership of a number of parcels totaling about 4,500 acres (1,821 ha).

Birmingham Conservation Trust is a charity which saves and restores historic buildings in the city of Birmingham, England.

Daprato Rigali Studios is an interior restoration and renovation company in Chicago. It was founded in 1860 by the Daprato brothers, Italian immigrants from the town of Barga. The company specializes in interior renovations and restorations of historic and iconic buildings such as churches, theaters, hotels, banks, courthouses and commercial building lobbies. They have decorative painting, stained glass and marble fabrication departments.

The Flag of the United Nations Educational, Scientific and Cultural Organization (UNESCO) is one of the official symbols of the institution. The format consists of the white organization emblem on a blue background. The colors blue and white are the official colors of the United Nations.

The Friends of the Uffizi Gallery was established in 2006 in Palm Beach, Florida as the United States "sister" organization to the Amici degli Uffizi in Florence, Italy, which was founded by a group of concerned citizens in response to the terrorist bombing of the Uffizi Gallery in May 1993 that damaged several artworks and portions of the museum. The Friends of the Uffizi Gallery and the Amici degli Uffizi directly support the Uffizi Gallery by helping build awareness of the museum and its cultural heritage and by raising funds for acquisitions, preservation, restorations, temporary exhibitions, and educational programming.

Heritage Restoration and Design Studios Inc., or Heritage Restoration, is a family-owned interior restoration and renovation company located in Peoria, Illinois.

The Historic Cairo Restoration Project (HCRP) is an effort by the governments of Egypt and Cairo to restore and renovate historic Medieval Islamic Cairo. Al-Qahira (Cairo) was officially founded here in 969 CE by the Fatimid caliphs as an imperial capital and walled city, just to the north of the preceding capital Fustat. There are two parts to the HCRP: the remaking of the historic area and the restoration of its monuments.
The Intermuseum Conservation Association is the oldest non-profit art conservation center in the United States, currently located in Cleveland, OH. The ICA offers conservation and preservation treatments for paintings, murals, works on paper, documents, objects of all media, outdoor sculpture, monuments, and textiles.

The International Centre for the Study of the Preservation and Restoration of Cultural Property (ICCROM) is an intergovernmental organization dedicated to the preservation of cultural heritage worldwide through training, information, research, cooperation and advocacy programmes. It aims to enhance the field of conservation-restoration and raise awareness to the importance and fragility of cultural heritage.

MIDAS Heritage – the UK Historic Environment Data Standard is a British cultural heritage standard for recording information on buildings, archaeological sites, shipwrecks, parks and gardens, battlefields, areas of interest and artefacts.

The Midwest Regional Conservation Guild (MRCG) is a professional conservation association in the Midwestern United States.

The National Conservation Centre, formerly the Midland Railway Goods Warehouse, is located in Liverpool, Merseyside, England. It stands in a block surrounded by Victoria Street, Crosshall Street, Whitechapel, and Peter Street. After it closed as a warehouse it was converted into a conservation centre for National Museums Liverpool in the 1990s. Initially its exhibition area was open to the public, but this closed in 2010. The centre is recorded in the National Heritage List for England as a designated Grade II listed building.

The National Trust for Historic Preservation is a privately funded, nonprofit organization based in Washington, D.C., that works in the field of historic preservation in the United States. The member-supported organization was founded in 1949 by congressional charter to support the preservation of America’s diverse historic buildings, neighborhoods, and heritage through its programs, resources, and advocacy.

Save Our Heritage Organisation (SOHO) is a non-profit organization devoted to the preservation of the historic architecture and landmarks around the San Diego, California area. Founded in 1969, Save Our Heritage Organisation maintains several historic buildings including the Whaley House and the George W. Marston House. They are directly partnered with the National Trust for Historic Preservation.

Save Outdoor Sculpture! (SOS!) was a community-based effort to identify, document, and conserve outdoor sculpture in the United States. The program was initiated in 1989 and ended in 1999.

The Society for the Protection of Ancient Buildings (SPAB) is an amenity society founded by William Morris, Philip Webb and others, in 1877; to oppose what they saw as destructive 'restoration' of ancient buildings then occurring in Victorian England; 'ancient' being used in the wider sense of 'very old' rather than the more usual modern one of 'pre-medieval'.

Tibet House is an international, loosely affiliated group of nonprofit, cultural preservation organizations founded at the request of the Dalai Lama, to preserve, present, and protect Tibet's ancient traditions of philosophy, mind science, art, and culture due to the Chinese invasion of Tibet in 1950 and subsequent Tibetan diaspora. The first Tibet House was founded in New Delhi, India in 1965.

Tibet House US (THUS) is a Tibetan cultural preservation and education nonprofit founded in 1987 in New York City by a group of Westerners after the Fourteenth Dalai Lama, Tenzin Gyatso, had expressed his wish to establish a cultural institution to build awareness of Tibetan culture.

The United Nations Educational, Scientific and Cultural Organization is a specialised agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, the sciences, and culture. It has 193 member states and 11 associate members, as well as partners in the nongovernmental, intergovernmental, and private sector. Headquartered at the World Heritage Centre in Paris, France, UNESCO has 53 regional field offices and 199 national commissions that facilitate its global mandate.

The Washington Conservation Guild (WCG) is a non-profit organization of conservation professionals. The WCG serves as a resource for learning about the care of art collections.

The Weeks Bay National Estuarine Research Reserve is a field laboratory and research facility along Weeks Bay estuary, about 6,000 acres (2,400 ha) in size. It receives freshwater from the Magnolia and Fish Rivers, and drains a 198 square miles (510 km2) watershed into the portion of Mobile Bay via a narrow opening. This sub-estuary of Mobile Bay averages just 4.8 ft deep and is fringed with marsh and swamp. The reserve lands also include upland and bottomland hardwood forests, freshwater marsh, submerged aquatic vegetation and unique bog habitats. Weeks Bay is a critical nursery for shrimp, bay anchovy, blue crab and multitudes of other fish, crustaceans and shellfish that support robust commercial fisheries providing $450 million/year for Alabama.

The Western Association for Art Conservation (WAAC) is a nonprofit regional membership organization for conservation professionals based in the Western United States, although membership is open to all irrespective of geographical location.