World Floor Covering Association. The WFCA was formed as a result of the 1995 merger of the Western Floor Covering Association and the American Floorcovering Association. The WFCA places a major emphasis on educational programs, conventions, industry trade show, tools for business management, and strong governmental affairs programs. The California Subcontractors Association- Helping Members Avoid Solve Payment Problems Browse our directory of member companies dedicated to maximum customer satisfaction for links to company web sites.