OSK vs BLD Comparison

Oshkosh is a leading maker of access equipment, specialty vehicles, and military trucks. It serves diverse end markets, including postal, firefighting, refuse/recycling collection, aviation, and construction. It is typically the market share leader or No. 2 player in North America, or even the global leader in the case of its JLG aerial work platform business. The transport segment is a leading provider of light trucks to the military and vehicles to the Postal Service. The vocational segment, featuring brands such as Pierce, AeroTech, and Volterra, offers purpose-built vehicles and equipment to municipalities. The company reports three segments—Access equipment (45% of revenue), Vocational (35%), and Transport (20%) on 2025 revenue of $10.4 billion.

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.