BARTON International delivers the highest performance industrial garnet and mineral abrasives in the world. We offer blasting and waterjet abrasives that solve any challenge in waterjet cutting, surface preparation, grinding and polishing. Specifically developed for waterjet cutting, BARTON waterjet abrasives are as effective on thick steel or titanium as they are on composites, laminates, printed circuit boards, fiber-optic cables and other fragile materials. Our Mil-Spec and CARB-approved garnet blasting abrasives come in a variety of grades that perform across a range of applications, from pack rust on bridges and ship hulls to mill scale on new steel and projects with less-demanding profile requirements. Operators enjoy maximum productivity and low dusting for superior safety. Our four-tier abrasive product line offers different levels of value and performance: ADIRONDACK® Mined and milled in the USA, our world-renowned ADIRONDACK garnet is the most refined hard rock garnet abrasive in the world. Its ever-sharp crystalline structure makes it the fastest, cleanest, most precise blasting and waterjet cutting abrasive available. ALLTEK™ This globally sourced alluvial garnet abrasive combines superior blasting and waterjet cutting performance with economy. It’s perfect for jobs that don’t require the ultra-high performance of our ADIRONDACK garnet. FUSION® The newest product in our line of abrasives, FUSION is a custom blend of ALLTEK alluvial garnet and ECOTEK staurolite for a general-purpose abrasive that balances cutting consistency with cost. ECOTEK® STL This domestically produced waterjet cutting abrasive provides solid cutting performance for customers focused on material costs. Customers can get genuine OEM and OEM style waterjet parts and accessories shopping online marketplace at store.barton.com. For over 140 years, our family-owned company continues a legacy built on innovative solutions and the most knowledgeable teams in the industry.

S.M. Lorusso & Sons, Inc. is a building materials company based out of 331 WEST ST, Walpole, Massachusetts, United States.

T. L. EDWARDS, INC is a mining & metals company based out of 100 WALES AVE, Avon, Massachusetts, United States.

Established in 1986, AMCI Group (“AMCI”) is a privately held group that invests in and operates industrial businesses focused on natural resources, transportation, infrastructure, metals and energy. AMCI has invested over $1.7 billion in 40 industrial companies and has a current portfolio consisting of 21 companies located around the world with approximately 8,000 employees, over $6 billion in annual revenue and over $2 billion in annual EBITDA. AMCI is also the sponsor of two special purpose acquisition vehicles, AMCI Acquisition Corp and AMCI Acquisition Corp II. AMCI Acquisition Corp successfully completed its business combination with Advent Technologies on February 4, 2021. AMCI Acquisition Corp II priced its IPO on August 3, 2021 and is currently searching for a target.

Tresca Brothers Concrete, Sand, and Gravel Inc. is a family-owned and operated ready-mix concrete supplier that has been serving the greater Boston area for over 100 years. Tresca Brothers Concrete excels in supplying the highest quality ready-mix concrete, sand, and gravel to their customers. Tresca Brothers Sand And Gravel Inc. can be reached at PO BOX 189, Millis, Massachusetts, United States.

Benevento Companies is a fourth generation, family-owned and operated construction materials supplier. We operate an integrated aggregate, asphalt, ready mix concrete, and recycling business with locations in Wilmington and Georgetown, MA as well as Plaistow, Pembroke, and Loudon, NH. Benevento Companies was founded on a simple fundamental: an enduring commitment to customer service. Our experienced and talented team ensure we remain the most “easy-to-do-business with” company in our industry.

E. Tetz & Sons Inc. is a construction company based out of 63 Cemetery Rd, Middletown, NY, United States.

Rock of Ages, the country’s preeminent quarrier, manufacturer and distributor of high-quality, exquisitely designed memorials, has constantly evolved its memorial products to meet the needs, expectations and circumstances of its customers. Whether it has been listening and responding to the needs of individual families in remembering their loved ones, or listening and responding to the needs of American communities and institutions in honoring heroes or celebrating the life and times of our great nation, Rock of Ages has been the innovative leader in the memorialization industry for 125 years.

Precision Stone Inc is a leading fabricator and installer of custom natural stone works for the architectural design community. Since 1983 we have exemplified professional mastery in the use of natural stone for commercial and residential spaces. By forging relationships with prestigious architects, interior designers, general contractors, artists, and suppliers, we have built bespoke work of the highest quality. Our scope of services includes but is not limited to: -Architectural design and engineering, including shop drawings, 3D modeling and rendering. -Project management, value engineering, and jobsite supervision. -Worldwide stone consulting and procurement -Stone carving and sculpting - robotic and hand finishing -Expertise in stone handling, storage, crating, and shipping -Historical and landmarked building restoration -Fabrication and Installation of: -all stone exterior and interior elements -stone staircases with specialty in post-tension and cantilevered designs -stone furniture and functional design elements -glass and mosaic tiles Our base in Westbury, Long Island has allowed us to work on projects all over the state of New York as well as New England, with additional work in Florida, California, and Michigan. Our accomplished and skillful team brings together state-of-the-art engineering with exceptional design and craftsmanship, completed with expert installation.

BORO SAND AND STONE CORP. is a construction company based out of 192 PLAIN STREET, NORTH ATTLEBORO, Massachusetts, United States.

RJ Valente Gravel, Inc. is a construction company based out of 118 Button Road, Waterford, New York, United States.

Pro Design, Inc. is a reputable time honored supplier, fabricator and installation contractor for the natural stone and tile industries, specializing in "high end" work Our distinguished customers are pleased with our “one stop” type of service, for all of their natural stone needs: selection, design, shop drawings, fabrication, and custom installation, in a chic corporate setting. Our primary clientele consists of Influential NYC designers, celebrated Architectural firms and prominent Management Agents in our Tri State area. Our High end projects have been celebrated and featured in architectural exhibits and various publications, both currently and through the years. Our field mechanics and stonecutters offer inspired craftsmanship, old fashioned quality while utilizing the latest most up to date, modern technologies. Our specialties: fabrication and installation of marble, granite, limestone, travertine and all dimensional stones and related products ( counters, vanities, sinks, fireplaces and custom patterned floors. ) Our knowledge & expertise extends with great skill to ceramic, porcelain, glass and metal tiles; mosaics being another area. Our defined method and technique for realizing exact specifications has been unmatched Much of our attributed success lies with a fine reputation for our precise attention to details and a particular knack completing projects consistently on time. When put to the test and under the gun, Pro Design, Inc. performs steadfast, poised and confident, still on schedule with the same meticulous results. Our management staff has established a strict protocol and enhanced corporate policy that will support and foster a steadfast connection to our growing clientele and their changing needs. Our clients are better served by the proficient knowledge of our professional home office staff: Construction Sales, Project Management, Architectural Drafting, Estimating, Purchasing, Showroom Sales, Accounting and Administrative.