BLD vs AAL Comparison

TopBuild Corp is an installer and distributor of insulation products. Its operating segments are: Installation Services and Specialty Distribution. The Installation Services segment, which generates maximum revenue, installs insulation, commercial roofing, and other building products like glass and windows, rain gutters, doors, etc, mainly in the residential new construction market. The Specialty Distribution segment distributes building and mechanical insulation, insulation accessories, and other building product materials for the residential, commercial, and industrial markets. In addition to insulation and accessories, it distributes rain gutters, closet shelving, roofing materials, and other items. Geographically, the firm mainly operates in the U.S. and, to a lesser extent, in Canada.

American Airlines is the world's largest airline by aircraft, capacity, and scheduled revenue passenger miles. Its major US hubs are Dallas/Fort Worth, Charlotte, Chicago, Los Angeles, Miami, New York, Philadelphia, Phoenix, and Washington, D.C. It generates over 30% of US airline revenue connecting Latin America with destinations in the United States. After completing a major fleet renewal, the company has the youngest average fleet of US legacy carriers.