• MacroAir Technologies Inc. (San Bernardino, Calif.) will end its manufacturing relationship with 4Front Industries (Tempe, Ariz.) by granting the company a license to manufacture its own line of high-volume, low-speed fans under the Kelley (Carrollton, Texas) and Serco (Carrollton, Texas) brands, effective July 1.
• Tecumseh Products Co. (Ann Arbor, Mich.) hired Igor Popov as chief restructuring officer and Jerry Mosingo as executive vice president of operations.