Genesis Energy, L.P. (NYSE: GEL) is a publicly traded diversified midstream energy master limited partnership headquartered in Houston, Texas. As a flexible and responsive supply and logistics company, our custom solutions allow us to move product to market in the most efficient and cost-effective manner, while maintaining our strong cultural focus on safety and reliability. Through our four divisions: offshore pipeline transportation, chemicals, onshore facilities and transportation and marine transportation, we provide an integrated suite of services to integrated oil companies, large independent oil and gas or refinery companies and large industrial and commercial enterprises. We are primarily located in Texas, Louisiana, Arkansas, Mississippi, Alabama, Florida, Wyoming and the Gulf of Mexico.

Magris Talc is the leading fully integrated North American Talc producer with a 100+ year operating history. Our products are used globally by leading, blue-chip organizations, to enhance performance in a variety of industrial applications in key markets including polymers, paints & coatings, pharmaceutical, building products and more. Leading Supplier of Critical Inputs: We are the leading supplier of talc products in North America. Our products increase performance, reduce weight, control emissions and displace harmful chemicals in a variety of industries including automotive, building products, agriculture, pharmaceutical and more. Continuous Innovation: We understand the complex demands of customers. Our research & development experts help develop solutions by designing new products, technologies & processes. Health, Safety & Environmental: Safety is our most important value, and we believe that everyone should go home safe & healthy everyday. At Magris Talc, we utilize best in class safety management programs which help us to target continuous improvement in our safety performance & culture. Approach to Sustainability: We define the performance of our organization based on a strong health & safety leadership & culture, and on industry-best environmental practices. We also prioritize building and maintaining relationships with the communities that are critical to sustain our mission. We operate responsibly, respecting our employees, communities, and the environment. Across our operations, we ensure that we enhance everyday lives, and communities at large, to create a lower carbon world. We continuously invest in technologies that reduce our overall footprint, and in communities that help sustain our mission. Community: Magris’s core values are rooted in the relationships we strive to build with our communities. We define these communities to include our employees, contractors, suppliers, local communities, & others who may be impacted by our activities

Martin Stone Quarries, Inc. is a family owned and operated business since 1953. We mine granite gneiss stone in Bechtelsville, Pa. Martin Stone Quarries also produces Martin Infield Mix, which is used on baseball and softball fields throughout the Mid Atlantic Region. We are so proud of our Martin Infield Mix, we put our name on it.

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).

Ziegler Chemical is an asphalt and coatings company based in Piscataway NJ. We provide specialized adhesives and coatings for a multitude of industries listed below. Key Products and Industries Served: •Building Products •Batteries & Electronics •DOT Asphalt Binders, Primers and Membrane •Industrial Adhesives •Mineral Rubber (Powder and Block Form) •Oxidized Asphalts •Paving •Pipe Coating (NSF 61 approved oil & water based coating) •Potting Compounds (Filled and Unfilled) •Printing Ink

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.

DUN-RITE SAND & GRAVEL CO., INC. is a mining & metals company based out of 573 EAST GRANT AVENUE, VINELAND, New Jersey, United States.

DELAWARE QUARRIES, INC. is a building materials company based out of 6603 ROUTE 202, NEW HOPE, Pennsylvania, United States.

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