Inc. magazine today ranked Ampirical, a leading engineering firm in the power industry, as the No. 25 (No. 2 in Louisiana) fastest growing engineering company, and No. 1923  overall on the 37th annual Inc. 5000|500, an exclusive ranking of the nation’s fastest-growing private companies. Because of an incredible 233% three-year growth rate, this marks the third consecutive year and the fifth time in eight years Ampirical has been honored.

“Earning a spot on the Inc. 5000 list is rewarding to us because it demonstrates our employees’ abilities in providing value to our clients; making the list three years in a row and five times overall demonstrates our willingness to develop existing talent and find new sources of expertise,” Said Matthew Saacks, President of Ampirical. “Being able to grow and provide opportunities for an ever increasing number of people and their families is a prime motivator in our daily work.  Therein lies the real beauty in making this list.”

Not only have the companies on the 2018 Inc. 5000 (which are listed online at, with the top 500 companies featured in the September issue of Inc., available on newsstands August 15) been very competitive within their markets, but the list as a whole shows staggering growth compared with prior lists. The 2018 Inc. 5000 achieved an astounding three-year average growth of 538.2 percent, and a median rate of 171.8 percent. The Inc. 5000’s aggregate revenue was $206.1 billion in 2017, accounting for 664,095 jobs over the past three years.

“If your company is on the Inc. 5000, it’s unparalleled recognition of your years of hard work and sacrifice,” says Inc. editor in chief James Ledbetter. “The lines of business may come and go, or come and stay. What doesn’t change is the way entrepreneurs create and accelerate the forces that shape our lives.”

Complete results of the Inc. 5000, including company profiles and an interactive database that can be sorted by industry, region, and other criteria, can be found at