TopBuild Corp is an installer and distributor of insulation products. The company operates two businesses: Truteam and Service Partners. Trueteam installs insulation products in residential and commercial building projects, primarily as a contractor to custom builders and big builders. Service Partners is a distributor of insulation and selected building products. Its main customers are contractors. Other products include gutters, afterpaint, garage doors, fireplaces, and fireproofing and stopping. TopBuild operates primarily in the United States.