The Book of Lists is your resource to stay ahead of the competition. Get in-depth information on the largest and most influential businesses in East Tennessee. It is your instant reference tool for finding a company's top local executive, background on a specific industry, and much more. Create a list of sales contacts and general mailings lists, sort by company or geography, and import data directly to your desktop. Start your download now. Any questions, contact Angela Akers at 865-342-6424 or lists@knoxvillebiz.com.

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Prefer PDFs? A printer-friendly PDF of this list is available. Download PDF file Prefer Excel? A complete spreadsheet of this list is available. Download Excel file Knoxville-Area Environmental Engineering & Consulting Firms Ranked by Number of Local Employees Rank '17 '16 Company Phone Website Loc. emps./Tot. emps. Bioremediation Nuclear rem. Compliance Water mgmt. Env. impact assmt. Other services Parent company Top local executive Year founded 1 1 UCOR1 P. O. Box 4699, MS 7052 Oak Ridge, TN 37831 865-576-8321 ucor.com 1,600 / NA Radioactive waste management, environmental monitoring and restoration, asset management AECOM CH2M NA Ken Rueter President, project manager 2011 2 5 CB&I 2410 Cherahala Blvd. Knoxville, TN 37932 865-560-7800 cbi.com 293 / 40,000 Y Y Y Y Y NA CB&I The Hague The Netherlands Randy Spickard Vice president 1975 3 6 Strata-G 2027 Castaic Lane Knoxville, TN 37932 865-934-3400 stratag.org 175 / 185 Y Y Y Y Y NA NA NA Dan Hurst President 2002 4 14 Perma-Fix Environmental Services 2800 Solway Road Knoxville, TN 37931 865-690-0501 perma-fix.com 150 / 270 Y Y Y Y NA Perma-Fix Environmental Services Atlanta, GA Mark Duff Executive vice president 1990 5 12T North Wind Solutions 320 N. Cedar Bluff Road, Ste. 220 Knoxville, TN 37923 865-705-9804 northwindgrp.com 140 / 1,100 Y Y Y Y Y Environmental services, facilities and infrastructure, construction, technical services, engineering, information technology Cook Inlet Region Inc. Anchorage, AK Chris Leichtweis CEO, president 1997 6 12T Spectra Tech 132 Jefferson Court Oak Ridge, TN 37830 865-483-7210 spectratechinc.com 122 / 164 Y Y Y Y Y NA NA NA Dr. Loong Yong President 1995 7 8 CH2M HILL 2095 Lakeside Centre Way, Ste. 200 Knoxville, TN 37922 865-560-2801 ch2m.com 101 / 19,663 Y Y Y Y Y Military Munitions Response/Investigation CH2M Denver, CO USA Robert Cook Area Lead 1981 8 9 SES Group of Companies 1006 Floyd Culler Court Oak Ridge, TN 37830 865-481-7837 specproenv.com 90 / 243 Y Y Y Construction management, electrical, mechanical, fuel systems Bristol Bay Native Corp. Anchorage, AK Basil Skelton President, CEO 19922 9 NR Merrick & Company 1093 Commerce Park Drive Oak Ridge, TN 37830 865-685-5520 merrick.com 58 / 500 Y Y NA Merrick & Company Greenwood Village, CO U.S. Brian Drane Dennis Knight Office directors 1955 10 16 Alliant Corp. P.O. Box 31645 Knoxville, TN 37930 865-363-0725 alliantcorp.com 52 / 50 Y Y Y Y NA NA NA Terence Douglas President 2000 11 NR Ingenium Professional Services 136 S. Illinois Ave. Oak Ridge, TN 37830 865-272-3213 ingenium-services.com 49 / 0 Y Y NA NA NA Michael Schlitz President 2006 12 NR GEOServices 2561 Willow Point Way Knoxville, TN 37931 865-539-8242 geoservicesllc.com 44 / 115 Y Y Y Y Y NA NA NA Dennis Huckaba Professional Engineer, Principal 2006 13 NR EnSafe Inc. 308 N. Peters Road, Ste. 200 Knoxville, TN 37922 865-693-3623 865-693-5061 34 / 385 Y Y Y Y Health & safety services, technology services EnSafe Inc. Memphis, TN USA Ginny Davis Vice president, business development NA 13 NR Process Engineering Associates 700 S. Illinois Ave., Ste. A202 Oak Ridge, TN 37830 865-220-8722 processengr.com 34 / 57 Chemical engineering, plant design, process safety services, energy conservation studies, emission controls process design NA NA L.H. Boyd Jr. Managing partner 1996 15 NR Civil & Environmental Consultants Inc. 2704 Cherokee Farm Way, Ste. 101 Knoxville, TN 37920 865-977-9997 cecinc.com 33 / 757 Y Y Y Y Brownfield Redevelopment Services Air Dispersion Modeling Hydrogeology and Groundwater Modeling Property Condition Assessments Risk Assessments Civil & Environmental Consultants Inc. Pittsburgh, PA United States James Tomiczek, P.E. Vice president, office lead 2014 16 NR Strata Environmental Services 110 Perimeter Park Road, Ste. E Knoxville, TN 37922 865-539-2077 strataenv.com 30 / 31 Y Y Y Y Environmental Due Diligence (Phase I & II); Environmental Affairs outsourcing including air, storm water, fuel system permitting, and SPCC; ISO 14001 Environmental Management System consulting; Sustainability and Corporate Responsibility consulting; environmental construction project management including tanks, demolition, remediation, treatment systems; general consultancy for planning, problem solving, regulatory interactions; EiOS environmental data management system. NA NA D. Gregory Jernigan President 1992 17 NR Boston Government Services (BGS) 2532 Jones Road Lenoir City, TN 37771 866-730-7353 bgs-llc.com 28 / 41 Y Y Y Y NA NA NA Harry Boston President 2007 1 Partnership of AECOM, CH2M, Restoration Services; 2 Local founding of SES's predecessor, STEP Source: Individual company representatives, individual company websites. NA=not applicable or not available. If you notice an error or omission, please contact Angela Akers at 865-342-6424 or lists@knoxvillebiz.com.