Marketing for Builders and Developers Marketshare Inc. specializes in the design, fabrication, installation and maintenance of sales centers / leasing offices; model home merchandising, signage / sign programs and media for homebuilders, real estate developers, commercial real estate, government contracts and multifamily developers nationwide. Whether you need a complete sales center, model home merchandising, large format printing, wayfinding programs, ADA signage, weekend sign spinner or an eye catching wall-cling / wallscape, we have the solution you need.