Voith & Mactavish Architects LLP 2401 Walnut Street, 6th floor, Philadelphia PA 19103 215-545-4544. Hello Apple, how many of you guys are architects using a Mac? How is your experience? I'm an AutoCAD user and I really want to change to a Mac. Now that Autodesk has been available for Mac users I really want to know the experience from other users that made the change from Windows to Apple. MUL-MAC Architecture & Design is a boutique firm made up of licensed Architects and Interior Designers. The company, founded by Keith Muller, and Michael Maciocia, are experts in Commercial Interior Design, Building Repositioning, Ground-Up Multi-Family, and Single-Family Residential projects. We are a full-service Architecture and Design firm, providing Programming, Design expertise. GIA-MAC Architects has been established by professionals who share the same philosophies toward creative, inspirational, sustainable and award winning architecture, design and technical excellence for project delivery. As architects we are passionate about design and the positive effects excellent design can have on our environment, and the. Founded in 1995 by Dwayne MacEwen, DMAC Architecture is a creative studio that relies on the diverse experiences of its staff and expert consultants to craft each project.