The following is a list of Orlando's largest interior design firms ranked by 2009 Central FL interior design gross billings.

Marc-Michaels Interior Design Inc., Winter Park, FL, Luxury residential, model homes, clubhouses, commercial; luxury residences.

Baker Barrios Architects Inc., Orlando, FL, Corporate office, hospitality, health care, education, entertainment, multi-family residential.

HKS Architects Inc., Orlando, FL, Corporate, commercial office, health care, education, hospitality.

HuntonBrady Architects, Orlando, FL,  health care, commercial and education.

VOA Associates Inc., Oralndo, FL, Architecture, planning and interior design.

Little, Orlando, FL, Workplace, education, retail.

RLF, Winter Park, FL, Health care, education, cultural.

Forum Architecture & Interior Design Inc., Altamonte Springs, FL, clubhouses, apartment models, restaurants, senior living communities.

Soco Interiors Inc., Winter Park, FL, DND; Private residences throughout FL.

Continental Homes & Interiors, Winter Park, FL, Estate homes, remodels.