Heidelberg Materials North America Acquires Green Drop Rock Products

Heidelberg Materials North America Acquires Carver Sand & Gravel

July 29, 2024

Building Products

Heidelberg Materials North America has entered into a definitive agreement to acquire Carver Sand & Gravel, the largest aggregates producer in the Albany, New York area. The deal includes four quarries, three sand and gravel pits, a trucking business, two asphalt plants, roughly 70 million metric tons of reserves and about 200 employees, and is positioned as a bolt-on to expand Heidelberg's footprint in the New York market.

Heidelberg Materials North America Acquires Highway Materials, Victory Rock and Aaron Materials

July 16, 2024

Building Products

Heidelberg Materials North America has agreed to acquire Highway Materials (Greater Philadelphia) and Victory Rock and Aaron Materials (both Texas), expanding its aggregates, asphalt and recycling operations across Pennsylvania and Texas. The transactions, which together with a prior acquisition total approximately $380 million in purchase price and expected post-synergy EBITDA of roughly $50 million, strengthen Heidelberg's regional footprint and circular construction capabilities.

CRH Acquires North American Aggregates

December 16, 2025

Building Products

CRH has acquired North American Aggregates (NAA), a supplier of aggregates headquartered in Perth Amboy, New Jersey, expanding CRH Americas Materials' presence and aggregate reserves in the New York–New Jersey region. The acquisition integrates NAA's waterfront plant and processing capabilities into CRH's Tilcon NY operations to support long-term supply for construction and infrastructure customers.

Heidelberg Materials Acquires The SEFA Group, Inc.

April 24, 2023

Building Products

Heidelberg Materials (North America) has entered into a definitive agreement to acquire The SEFA Group, Inc., the largest recycler of harvested fly ash sold for use in concrete products in the United States. Based in Lexington, South Carolina, The SEFA Group operates 20 locations with five business units and more than 500 employees, and the acquisition strengthens Heidelberg's cementitious footprint and sustainable product offerings in the Southeastern U.S.

Keystone Cement Transitions to Independent Operations as Heidelberg Materials Acquires Giant Cement Holding

April 1, 2025

Building Products

Keystone Cement Company will transition to independent operations under newly formed Keystone Cement Holding, Inc., effective April 1, 2025, and will remain part of Fortaleza Materiales Group. The move occurs alongside Heidelberg Materials’ acquisition of Giant Cement Holding, Inc.; Keystone is excluded from that sale and will continue operating its cement, aggregates and resource recovery divisions with leadership continuity.

Hydrofarm Acquires Greenstar Plant Products

August 3, 2021

Manufacturing

Hydrofarm Holdings Group, Inc. acquired Canadian nutrient manufacturer Greenstar Plant Products, Inc., adding the Grotek and Gaia Green brands to its branded product portfolio. The deal, funded with cash and Hydrofarm's existing credit facility for approximately $83 million U.S., makes Greenstar a wholly owned indirect subsidiary and is expected to be accretive to Hydrofarm's 2021 adjusted EBITDA.