BrandSource Chief Executive Bob Lawrence plans to step down next year after nearly two decades at the helm of the Tustin-based merchandising group, according to a report.

BrandSource comprises nearly 4,500 independent appliance, mattress, electronics, flooring and home furnishings dealers in North America with $14 billion in total annual sales, according to industry website Twice.com. The group offers financial and marketing services to its members and also negotiates discounts with major suppliers.