Home Depot bought SRS Distribution — the subsidiary that’s acquiring GMS — last year for $18.25 billion, in the largest acquisition in its history. Texas-based SRS sells supplies to professionals in the landscaping, roofing and pool businesses and it has bought up many other smaller suppliers as it’s grown.

Home Depot is buying specialty building products distributor GMS Inc. in a deal valued at approximately $4.3 billion

The Home Depot announced Monday that it is buying GMS, a building products distributor, for about $4.3 billion as the retailer moves to draw more sales from contractors and other home professionals.