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 Local Employees Rank '16 '15 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 1,400 / NA Y Y Y Y Y Radioactive waste management, environmental monitoring & restoration, asset management AECOM CH2M NA Ken Rueter President, project manager 2011 2 2 Energy Solutions2 1009 Commerce Park Drive, Ste. 100 Oak Ridge, TN 37830 865-481-6300 energysolutions.com 473 / NA NA Energy Capital Partners Short Hills, NJ John Christian President 1986 3 3 Leidos Engineering3 301 Laboratory Road Oak Ridge, TN 37830 865-481-4600 leidos.com/infrastructure 350 / 18,000 Y Y Y Y NA Leidos Inc. Reston, VA US Mike Pasqua Senior vice president 1975 4 4 Alstom Power3 1409 Centerpoint Blvd. Knoxville, TN 37932 865-693-7550 alstom.com/power 300 / 93,000 Air quality control systems Alstom Levallois France Michael Kaplan Managing director 1973 5 6 CB&I 2410 Cherahala Blvd. Knoxville, TN 37932 865-560-7800 cbi.com 180 / 42,000 NA CB&I The Hague The Netherlands Randy Spickard Vice president 1975 6 8 Strata-G 2027 Castaic Lane Knoxville, TN 37932 865-934-3400 stratag.org 157 / 165 Y Y Y Y Y Utilities, renewable energy, safety & health, nuclear operations, waste management NA NA Dan Hurst President 2002 7 NR Centrus Energy Corp. 400 Centrifuge Way Oak Ridge, TN 37830 865-425-6400 centrusenergy.com 120 / NA Development of uranium enrichment technology Centrus Energy Corp. Bethesda, MD Larry Cutlip Director, ACP 2002 8 9 CH2M HILL 2095 Lakeside Centre Way, Ste. 200 Knoxville, TN 37922 865-560-2801 ch2m.com 119 / 22,039 Y Y Y Y Y Military munitions response/investigation CH2M Denver, CO USA Robert Cook Area office manager 1981 9 12 SES Group of Companies 1006 Floyd Culler Court Oak Ridge, TN 37830 865-481-7837 specproenv.com 110 / 269 Y Y Y Y NA Bristol Bay Native Corp. Anchorage, AK Basil Skelton President, CEO 19924 10 10 AMEC Foster Wheeler Environment & Infrastructure2 9725 Cogdill Road Knoxville, TN 37932 865-671-6774 amecfw.com 105 / 40,000 Y Y Y Y NA Amec Foster Wheeler London England Brent Chambers VP, area manager 1972 11 11 Navarro Research & Engineering 669 Emory Valley Road Oak Ridge, TN 37830 865-220-9650 navarro-inc.com 101 / 488 Y Y Y Y Y Soil and groundwater remediation, characterization, environmental monitoring, waste management NA NA Susana Navarro-Valenti President 1993 12 5 Spectra Tech 132 Jefferson Court Oak Ridge, TN 37830 865-483-7210 spectratechinc.com 100 / 180 Y Y Y Y Y NA NA NA Dr. Loong Yong President 1995 12 NR North Wind Solutions 320 N. Cedar Bluff Road, Ste. 220 Knoxville, TN 37923 865-705-9804 northwindgrp.com 100 / 600 N Y Y N Y Natural and cultural resource services, decontamination and demolition, HazMat response, environmental remediation and waste management North Wind Group Idaho Falls, ID Jeff Scott Eastern regional manager 2014 14 7 Perma-Fix Environmental Services 2800 Solway Road Knoxville, TN 37931 865-690-0501 perma-fix.com 90 / NA N Y Y N N NA Perma-Fix Environmental Services Atlanta, GA John Lash COO 1990 15 14 Atkins 101 Midway Lane Oak Ridge, TN 37830 865-483-8247 atkinsglobal.com 70 / 18,000 N Y Y N N NA WS Atkins plc London England Chris Dean Vice president, federal operations 2001 16 NR Alliant Corp. P.O. Box 31645 Knoxville, TN 37930-1645 865-363-0725 alliantcorp.com 54 / 13 Y Y Y Y Y Energy management, site investigation, facility characterization NA NA Terence Douglas President 2000 1 Partnership of AECOM, CH2M and Restoration Services; 2 Source declined to participate. Information from 2015 survey; 3 Source declined to participate. Information from 2015 survey.; 4 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.