Dennis Corporation was recently ranked the 23rd most successful architecture/engineering/environmental consulting firm by Zweig Letter’s Hot Firm 2011 List and named to Inc. magazine’s 2011 Inc. 500|5000, recognizing America’s 5,000 fastest growing privately owned companies for the second consecutive year.

Dennis Corporation has advanced significantly on the ZweigWhite list since its ranking last year as the 51st firm. This list ranked the 150 fastest-growing firms in in the U.S. and Canada. The rankings were determined by the percentage change and dollar growth of the companies over the last three years (2007-2010). This list contains incredible examples of companies that excelled in the face of strong adversity.

Frank Hribar, Dennis Corporation Vice President, credits the employees with the success of the company. “I am so proud of these recognitions because it speaks to the tenacity of our employees. To not only survive, but to grow in such a difficult economy is a true achievement and something that we will always be proud of.”

Inc. magazine’s 2011 Inc. 500|5000 ranked Dennis Corporation 1,232 out of the top 5,000 firms, placing the firm in the top 25 percent.  Additionally, Dennis Corporation was ranked as the 20th fastest growing company in the engineering industry and the 8th overall fastest growing company in the state of South Carolina.

The rankings are determined by compiling revenue numbers over a four year period to determine the percent growth of the company. Dennis Corporation revenues were submitted for 2007 and 2010, showing the consistent growth of the company. Over this period, Dennis Corporation had a 238% growth. Being named to this list for a second time is the widest national recognition that Dennis Corporation has ever received.

“More than ever, this year’s list is a testament to the creativity, resilience, and tenacity of America’s top entrepreneurs,” said Inc. Editor in Chief, Jane Berenston. “Inc. recognizes the creativity, dedication, and hard work that have gone into  building Dennis Corporation into what it is today.”

Dennis Corporation is a South Carolina licensed civil engineering, surveying and construction management firm. Dennis Corporation’s specific fields of expertise include aviation engineering, civil infrastructure, construction management, construction services, environmental services, expert witness, geotechnical engineering,         intelligent transportation systems, program management, special projects, surveying, traffic engineering, transportation engineering and water resources.