Praxair

Sigma Four is a contract manufacturer of wire, cable, connectors, power supplies and medical tubing products. The company is a minority-owned and operated business that specializes in manufacturing custom electronic and cable assemblies and medical tubing products. Sigma Four supplies its product and services to the telecommunications, medical and electronics industries. The company s portfolio of customers includes Alcatel, Flextronics, Marlow Industries, Texas Instruments, Raytheon and SPX. In addition, Sigma Four s unique setup allows it to serve large original equipment manufacturers, as well as small start-up companies. The organization, which is based in Plano, Texas, also has the flexibility and capacity to evaluate, design and provide a quick turn-around to meet its customers goals.

Established in 1960, Graham Packaging Company manufactures blow-molded plastic containers for the food, beverage, automotive and personal care industries. The company provides containers for sauces, jellies, refrigerated juices, yoghurt and nutritional drinks. It offers plastic containers for hair, skin and oral care products. Graham Packaging Company also sells bottles, jars, tubes and canisters in various specifications. The company provides design and labeling services to its customers. Its client list includes Cadbury Trebor Bassett, Johnson & Johnson Services, Procter & Gamble and Castrol. Graham Packaging Company employs more than 8,700 people in over 85 locations worldwide. Headquartered in York, Pa., the company maintains a location in Rockwall, Texas.