Mazza Iron & Steel is a 3rd generation family-owned and operated scrap metal recycling company based in Fairless Hills, PA. Tom & Mike Mazza have a long history of demolition and recycling scrap material. With over 35 years of experience in owning their own business, the brothers specialize in all types of ferrous and non-ferrous scrap metal and demolition. The Mazza family mantra is to always stay sharp and competitive and to provide competitive pricing with unsurpassed customer service. Services offered include scrap metal recycling, automobile recycling (which includes a state-of-the-art shredder for light iron and car disposal), demolition of steel structures, dismantling and rigging and transportation (by truck, rail, barge or bulk vessel).

Founded in 1955, Rolling Rock Building Stone produces and distributes natural quarried stone. We offer more than two hundred premier building and landscaping stone products, and we distribute throughout North America. Our sales and production teams operate across 365 scenic acres at Rolling Rock's primary quarry in Oley Valley, PA. Visit us online at www.RollRock.com or in person at 40 Rolling Rock Road, Boyertown, PA 19512.

Whibco, Inc. was founded in 1841 and is America’s first producer of sand for use in the metal casting industry. Today, Whibco produces a wide variety of industrial sands and fine construction aggregates. Industrial markets include foundries, grout, roof shingle manufacturing, recreational sands, fillers, and most recently hydraulic fracturing sands (or “proppants”) to service the rapidly expanding Marcellus shale natural gas exploration and mining. Construction markets include concrete sands, gravels, septic sand, fill, and numerous other grades used in road and infrastructure construction. Whibco is owned and operated by the Sjogren family, and led by Wade and Walter Sjogren, with combined experience in the mining industry of almost 50 years. Whibco is proud of its strong track record of civic involvement, being good stewards of the environment, and being second to none in the on-time delivery of quality products.

T. S. HESS & SONS EXCAVATING, INC is a mining & metals company based out of 1317 ROUTE 113, Perkasie, Pennsylvania, United States.

Dyer Quarry Inc is a mining & metals company based out of 1275 Rock Hollow Rd, Birdsboro, Pennsylvania, United States.

Burton Construction is a full-service general contracting firm headquartered in Houston, Texas. We service much of the southwest and northeast including Texas, Arizona, California, Louisiana, New Mexico, Oklahoma, Virginia and Washington DC. The Burton portfolio of projects includes professional office and medical office buildings, industrial/manufacturing facilities, corporate headquarters, mixed-use environments, multi-family, hospitality, education and office interiors. The Burton Team is comprised of talented professionals with an expertise in project delivery including: Design-Build, Design Assist, and Competitive Bids. At the conception of each project, Burton will assign a highly skilled project manager to oversee, direct and manage the project through final completion. This approach ensures a single point-of-contact for the client and subcontractors facilitating open communication, creative problem-solving, and project manager accountability. Burton’s corporate philosophy is to build long-standing relationships with its clients and its colleagues in the design and construction community, which are based in trust, integrity, and partnership.