The national headquarters of One Stop is on the A4124 in Brownhills, at Clayhanger. Homeserve is in the north of Walsall on the A34, opposite Walsall Retail Park; next door to the north, on the other side of the Wyrley and Essington Canal on the B4210, on the edge of Blakenall Heath, is Eagle Envelopes, part of Mayer-Kuvert, Europe's leading envelope manufacturer. Imperial Bathroom Company, on the Empire Ind Est off the B4152 in Leighswood, is in the north of Walsall borough; next door is RMD Kwikform (scaffolding) on the opposite side of Rushall Canal; to the south was GKN Driveline Walsall from 1953 until 2010, which was the largest independent manufacturer of CV-jointed propshafts in Europe. Poundland is in Willenhall, on the side of the Black Country Route (A454) towards the M6 junction 11. Wedge Group, based on the B4484 in Willenhall, is the largest hot dip galvanising company in the UK. Assa Abloy UK (and Yale UK, former Yale & Towne), owned by a Swedish company, is off the A454 at the B4464 roundabout in Willenhall, as the town is known for manufacture of locks; close by is A.F. Blakemore, which supplies most of the SPAR shops in the UK. ZF Lemförder UK make chassis components (a main competitor to GKN), in the east of Darlaston, with Caparo Atlas Fastenings off the A4038.