Buyer will keep HQ here, plans other deals Bridgestone Americas executives have agreed to sell their building products division, which employs 1,900 people and last year rang up about $1.8 billion in sales, to a fellow global conglomerate for $3.4 billion. Switzerland-based LafargeHolcim, which employs 70,000 people around the world, will fund its deal for Firestone Building Products with cash and debt and plans to close on the transaction in the second quarter, according to a release. Firestone Building Products last year produced EBITDA of $270 million and runs 15 factories that make cool roofs, insulation and waterproofing systems, among other things. Its goods are distributed through 1,800 sites, and the business also runs three research and development centers.