Plumbing and heating products distributor Wolseley has taken its spending past £900 million with seven more acquisitions valued at £89 million.

The company, which also supplies building materials to trade buyers, has spent a record amount on other companies this year and has refused to rule out further purchases.

The spree is part of the company's strategy to expand sales by double digit figures every year, half through organic growth and half through acquisitions.

In the Midlands the company has 380 people at its offices in Leamington Spa, which will also soon be the site for its national distribution centre employing a further 150.

All the money for the acquisitions has come from its own cash reserves and profits with the latest buys expected to add approximately £170 million in additional revenue in the full year.

Since the beginning of the financial year on August 1, 2005, a total of 50 businesses in Europe and North America have been acquired for a total of £900 million.

The acquisitions are expected to add approximately £1.39 billion to group revenue in a full year.

On May 8, Wolseley US subsidiary Ferguson acquired certain assets associated with three locations in Alabama that comprise the Montgomery branch of Central Supply.

On May 22, Ferguson took over Supply North Central Group in Michigan, while on the same day it bought the inventory and certain fixed assets of Central Lighting in Mississippi.

This month Ferguson has picked up Davidson Electric Wholesale Supply in Lexington, North Carolina.

Earlier this month another Wolseley business in the States, Stock Building Supply, pounced on Coleman Floor Company, which sells and installs residential flooring products for homebuilders.

Coleman operates from 23 locations throughout Illinois, Virginia, North Carolina, Georgia and Florida.

In Europe Wolseley UK bought Ivybridge Building Supplies, a single branch general builders merchant in Ivybridge near Plymouth, Devon, and the trade and assets of seven Lariviere outlets in France from AXA Private Equity.

Charlie Banks, group chief executive of Wolseley, said: "These new bolt-on acquisitions which continue to support our strategy of geographic and product expansion."