For the fifth straight year, Toth & Associates has been named the largest engineering firm in the area by the Springfield Business Journal. The Springfield Business Journal ranks the size of consulting engineering firms by the number of local registered professional engineers, then by engineers in training (EITs), then by year founded. Having 15 local registered professional engineers and a total of 62 local employees, Toth & Associates has had continued growth during 2015. Springfield Business Journal published the list on September 7, 2015.