SGL Group - The Carbon Company - is one of the world's leading manufacturers of carbon-based products. Our comprehensive portfolio ranges from carbon and graphite products to carbon fibers and composites. We focus on creating innovative solutions and value for our customers.

Hasbro, Inc. (an abbreviation of its original name, Hassenfeld Brothers) is an American multinational toy and board game company. It is the third largest toy maker in the world with revenues of approximately $4.45 billion. Hasbro acquired the trademarks and products of Kenner, Parker Brothers, and Milton Bradley, among others. Among its products are Monopoly, G.I. Joe, Furby, Transformers, Nerf, and My Little Pony. The Hasbro brand also spawned TV shows to promote its products, such as Family Game Night on the Discovery Family network. The corporate headquarters is located in Pawtucket, Rhode Island. The majority of its products are manufactured in East Asia.

Hawaiian Airlines (NASDAQ: HA) (Hawaiian: Hui Mokulele ʻo Hawaiʻi) is the flag carrier and the largest airline in the U.S. state of Hawaii. It is the 10th largest commercial airline in the US, and is based in Honolulu, Hawaii. The airline operates its main hub at Daniel K. Inouye International Airport on the island of Oahu and a secondary hub out of Kahului Airport on the island of Maui. Hawaiian Airlines operates flights to Asia, Hawaii, New Zealand, Australia and the United States Mainland. Hawaiian Airlines is owned by Hawaiian Holdings, Inc. of which Mark Dunkerley is the current President and Chief Executive Officer.

Hartzell Propeller was founded in 1917 by Robert Hartzell as the Hartzell Walnut Propeller Company. Hartzell is an American manufacturer of composite and aluminum propellers for certified, homebuilt, and ultralight aircraft. The company headquarters is located in Piqua, Ohio.

The company produces propellers, spinners, governors, ice protection systems, and other propeller controls.

Harley-Davidson, Inc. (H-D), or Harley, is an American motorcycle manufacturer, founded in Milwaukee, Wisconsin in 1903.

Harley-Davidson manufactures its motorcycles at factories in York, Pennsylvania; Milwaukee, Wisconsin; Kansas City, Missouri; Manaus, Brazil; and Bawal, India, and markets its products worldwide.

Besides motorcycles, the company licenses and markets merchandise under the Harley-Davidson brand, among them apparel, home decor and ornaments, accessories, toys, and scale figures of its motorcycles, and video games based on its motorcycle line and the community.

Harbor Freight Tools is a privately held discount tool and equipment retailer, headquartered in Calabasas, California, which operates a chain of retail stores as well as a mail-order and eCommerce business. The company has over 800 stores in 47 states,. The company employs over 17,000 people in the U.S.

Hanesbrands Inc. is an American clothing company based in Winston-Salem, North Carolina. It employs 65,300 people internationally. On September 6, 2006, the company was spun off by the Sara Lee Corporation.

Hanesbrands owns several clothing brands, including Hanes, Champion, Playtex, Bali, L'eggs, Just My Size, Hanes Hosiery, Barely There, Wonderbra, Duofold, Airé, Beefy-T, C9 by Champion, Cacharel, Celebrity, Daisyfresh, J. E. Morgan, One Hanes Places, Maidenform, Rinbros, Ritmo, Sheer Energy, Silk Reflections, Sol, Sol y Oro, Tagless, and Zorba.

Hamilton Exhibits was founded as Hamilton Display Manufacturing Company in January 1947 by Renzie Hamilton and his father-in-law, Sterner Faussett. Hamilton Exhibits designs and manufactures exhibits, visual media, and interiors.

Hallmark Cards, Inc. is a private, family-owned American company based in Kansas City, Missouri. Founded in 1910 by Joyce Hall, Hallmark is the largest manufacturer of greeting cards in the United States. In 1985, the company was awarded the National Medal of Arts.

In addition to greeting cards, Hallmark also manufactures such products as party goods, gift wrap, and stationery. They acquired Binney & Smith in 1987, and would later change its name to Crayola, LLC after its well-known Crayola brand of crayons, markers and colored pencils. Hallmark has also had a long foray in the television business, having produced the long-running Hallmark Hall of Fame series since 1951, and launching the Hallmark Channel 50 years later (replacing an earlier joint venture with The Jim Henson Company, Odyssey Network).

The Hain Celestial Group is an American food company whose main focus is foods and personal care products. Their products range from herbal teas, offered through their Celestial Seasonings brand, to chickens from the FreeBird brand. They also provide whole grain foods through Arrowhead Mills. The company assumed its current form in May 2000, through the merger of the Hain Food Group with Celestial Seasonings, Inc.

Its subsidiary of the United Kingdom is Hain Daniels.

Haas Automation, Inc is an American machine tool builder headquartered in Oxnard, California, that designs and manufactures precision machine tools and specialized accessory tooling, mostly computer numerically controlled (CNC), such as vertical machining centers and horizontal machining centers, lathes/turning centers, and rotary tables and indexers. Most of its production and manufacturing process occurs at the company's main facility in Oxnard.

Haas is one of the largest machine tool builders in the world by total unit volume.

The H. T. Hackney Company is an American wholesale grocery distribution firm headquartered in Knoxville, Tennessee. Founded in 1891, the company has grown over the years to become one of the largest grocery wholesalers in the nation, with operations covering much of the Eastern United States. H. T. Hackney employs over 3,400 people, and distributes over 30,000 different items to over 20,000 locations in 21 states. Its current Chairman and CEO is William B. Sansom.

HEB Grocery Company, LP, also known as HEB Grocery Stores, is an American privately held supermarket chain based in San Antonio, Texas, with more than 350 stores throughout the U.S. state of Texas, as well as in northeast Mexico. The company also operates Central Market, an upscale organic and fine foods retailer. As of 2013, the company has a total revenue surpassing $20 billion USD (2013). H-E-B ranked No. 15 on Forbes' 2014 list of "America's Largest Private Companies." H-E-B was named Retailer of the Year in 2010 by Progressive Grocer. Supermarket News ranked H-E-B No. 13 in the 2008 "Top 75 North American Food Retailers." Based on 2014 revenues, H-E-B is the twentieth largest retailer in the United States. It donates five percent of pre-tax profits to charity.

Graham Holdings Company (formerly The Washington Post Company) is a diversified American conglomerate, best known for formerly owning the newspaper for which it was once named, The Washington Post, and Newsweek.

Its holdings include the online magazine Slate, Graham Media Group (formerly Post-Newsweek Stations), a group of six television stations, higher education company Kaplan, and the now closed Trove (formerly WaPo Labs)—the developers of a news reader app. Graham Holdings Company also owned cable television and internet service provider Cable One until it was spun off in 2015.

Growmark, Inc., is a regional agricultural supply cooperative operating in more than 40 states and Ontario, Canada. Its local member cooperatives commonly use the name FS.

Growmark ranks 74th on the ICA Global 300 2008 list of mutuals and cooperatives (ranked by revenue). Growmark is ranked fifth largest cooperative on the National Cooperative Bank's listing of top 100 cooperatives in North America and fourth largest agricultural cooperative.

Staples, Inc. is an American multinational office supply retailing corporation, with over 1,500 stores in North America. Headquartered in Framingham, Massachusetts, Staples also does business extensively with enterprises in the United States and Canada, and as Staples Business Advantage.

Staples sells supplies which include staples, office machines, promotional products, technology, and business services both in stores and online. The company opened its first store in Brighton, Massachusetts on May 1, 1986.

Caterpillar Inc. (NYSE: CAT) is an American Fortune 100 corporation which designs, develops, engineers, manufactures, markets and sells machinery, engines, financial products and insurance to customers via a worldwide dealer network. It is the world's largest construction equipment manufacturer. In 2016 Caterpillar was ranked #59 on the Fortune 500 list and #194 on the Global Fortune 500 list.

The Kraft Heinz Company is an American food company formed by the merger of Kraft Foods Group and Heinz in 2015. The merger was backed by 3G Capital and Berkshire Hathaway, which invested US$10 billion in the deal, making Kraft Heinz worth about US$46 billion. In 2015, the Kraft Heinz Company had 13 different brands with $500 million or more each in annual sales.

Group O, Headquartered in Milan, Illinois, is one of the largest Hispanic-owned companies in the U.S. and a provider of managed products and services, specializing in Marketing Services, Print Management, Business Analytics, Decision Sciences, Business Process Outsourcing, Managed Services, Packaging, Supply Chain and Third-Party Logistics (3PL). Founded in 1974, Group O has grown to approximately 1,500 employees across 34 U.S. facilities. The company targets a broad range of industries, including: food and beverage, telecommunications, manufacturing, consumer packaged goods, financial services, pharmaceutical, health care, retail and technology.

The Greenbrier Companies is an American publicly-traded transportation manufacturing corporation based in Lake Oswego, Oregon, United States. Greenbrier specializes in transportation services, notably barge and railroad car manufacturing, railroad car refurbishment, and railroad car leasing/management services. As of 2015, Greenbrier employs in excess of 10,689 people combined at its operations in Europe, Mexico, Canada, and the United States. Formed in 1981 and publicly traded since 1994, the company generates revenues of USD $2.61 billion.

The company has manufacturing facilities in Portland, Oregon, Świdnica, Poland, and three railcar plants in Mexico: Monclova, Sahagun City, and Tlaxcala.