Henderson Engineers moved up two spots to No. 140 on the Engineering News-Record annual Top 500 Design Firms list. Companies on the list were ranked according to revenue for design services performed in 2018.

According to the corresponding article by Gary Tulacz, the market for large design firms may be the best that it has ever been. Taken as a group, the responding firms totaled $101.16 billion in revenue last year.

Types of firms on the list include architecture, engineering, engineering-contractor, architecture-engineering, engineering-architecture, environmental, geotechnical engineering, landscape architecture, planning, and other combinations.