South Carolina-based residential lighting manufacturer Progress Lighting has made several changes to its marketing department-Melanie Vergas is now marketing analyst, Ryan Clark is senior graphics designer, and Craig Wright and Chris Primous are both product managers; Venture Lighting, a subsidiary of Advanced Lighting, has named BLT International Distribution as its master distributor for metal halide lamp products to all horticulture markets in North America; and W2 Architectural Lighting, a division of W.A.C. Lighting, has added several members to its sales team: Jami Kitz, corporate sales, Al Hoch, eastern region sales manager, Michael Morin, central region sales manager, Tom Brindley, western commercial sales manager, John Camp, Canadian national sales manager, and Karen Lyle, hospitality and national accounts manager.