Topline Counters Topline Counters is a designer, engineer, manufacturer and installer of a full suite of natural stone, quartz, laminate and solid surface kitchen and bathroom countertops, serving the single-family and multi-family residential markets as well as the commercial high-rise and big box retail markets. Visit Topline Counters Contact Info PO Box 2186Sumner, WA 98390Phone: 253-826-5480Fax: 253-826-5481