History

RFS is among the longest-tenured consulting engineering firms in the Northeast. The firm has operated continuously under various names since 1957. Over the past 30+ years, RFS has grown steadily, from a single office with approximately 20 staff to three offices with over 100 staff. RFS is proud of our heritage and longevity, and also of our evolution as an industry leader providing consulting engineering services for large and complex building projects throughout the Northeast. 

Firm Name and Associated Years

Rist-Frost-Shumway Engineering (RFS), 1992-Present

  • Portland office opens, 2019
  • Boston office opens, 2014

Rist-Frost Associates, 1964 – 1992

  • Laconia office opens, 1972

Rist, Bright & Frost, 1960 – 1964

Harold E. Rist Associates, 1957 – 1960