Family owned and operated since 1925, Security Signs is currently owned by Darci and Kevin Keljo. Security Signs is the premi ... er sign company in the Pacific Northwest although projects are done throughout the United States. We design, manufacture, and install custom interior and exterior electric and architectural signs of superior quality. Our 43,000 square foot state-of-the-art manufacturing facility allows us to do all our processes in-house and pass the cost savings to our customers. Other services include graphic design services, landlord sign specifications, project management, LED retrofitting, electronic message centers, historic sign refurbishment, and interior sign packages, including way-finding. Security Signs is The Professional Sign Company. Membership Affiliations include: World Sign Associates, International Sign Association, Portland Business Alliance, Greater Vancouver Chamber of Commerce, Northwest Sign Council, Southwest Washington Contractors Association, Oregon Restaurant and Lodging Association, and others. read more