Sherwin-Williams has added two to the staff of its commercial facility in Billings. Tim Olson will be responsible for sales development and customer service. Olson has had 14 years of coatings sales experience, primarily with Columbia Paint & Coatings. Barry Smith will be responsible for all facets of customer service, custom color matching and quality control of product orders. Smith has 21 years of paint and coatings sales experience from his previous positions with Columbia Paint & Coatings. Olson and Smith can be reached at 655-9801.