Medium C&E Firms ($20 million to $100 million)


Gold MedalHSA Engineers & Scientists, Inc. (Tampa, FL; for increasing revenue by approximately 220% over a six-year period from $14.3 million in 2003 to $31.3 million in 2009. HSA is a 270-employee multi-sector engineering firm specializing in environmental, geotechnical, civil, and structural disciplines. As an example of its recent work, HSA was selected over several nationally recognized engineering firms to design and construct a wastewater and stormwater treatment system to treat effluent discharges at a rubber processing plant in Liberia. With limited access to consistent power, and with antiquated tools and an inexperienced local population of workers, HSA designed and constructed a wastewater facility to treat rubber and latex process effluent from the facility. The company provided training for the local population, which now operates the facility full-time.

Silver Medal ► Sovereign Consulting Inc. (Robbinsville, NJ; for continuing on its course as one of the fastest growing environmental consulting and remediation small businesses in the country by preserving its growth in revenue, employees, geographic location, and service diversification without acquisition or merger. Sovereign's revenues nearly doubled from $19.1 million in 2006 to $34.5 million in 2008. Although growth during 2009 was slower, the company still increased its revenue to an estimated $37.8 million. Over the past decade, Sovereign has grown from one office of 19 people to 13 offices of 195 employees. In 2009, Sovereign opened its first Gulf Coast regional office in Mobile, AL, and increased its construction capabilities, winning $8 million in ARRA-funded construction projects at Aberdeen Proving Ground. Sovereign also announced new partnerships with Integrity Energy, a solar energy company, and RE Invest Solutions, a brownfield redevelopment company for which Sovereign will provide management and technical support services. Over the past two years, Sovereign has risen in The Zweig Letter's Hot Firm List from #35 to #18, and from #170 to #153 in ENR's list of Top 200 Environmental Firms.