Lawrence Leonard joined PHCC — National Association’s Quality Service Contractors (QSC) as its incoming executive director. Leonard replaces Charlie Wallace, who retired in March. The Plumbing-Heating-Cooling Contractors — National Association also added Milwaukee Tool as a corporate partner. The provider of professional heavy-duty tools, hand tools and accessories joins Bradford White, Federated Insurance, InSinkErator, Kohler Co. and Viega in support of PHCC and its affiliates.