Trinity Marine Products is one of the largest manufacturers of inland barges and fiberglass covers in the United States. The company is a wholly owned subsidiary of Trinity Industries, which owns and operates a variety of businesses that provide products and services to the industrial, energy, transportation and construction sectors. Trinity Industries offers concrete mixtures, railcars, crash cushions, propane tanks, structural wind towers and highway guardrails. The company also provides railcar fleet management and leasing services. Its additional business units include McConway & Torley, Trinity Highway Products, Standard Forged Products, Transit Mix Concrete & Materials Company, Trinity Containers and Trinity Structural Towers.