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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Knoxville-Area Environmental Engineering & Consulting Firms Ranked by Number of Local Employees
Rank
'17
'16CompanyPhone
Website
Loc. emps./Tot. emps.
Bioremediation
Nuclear rem.
Compliance
Water mgmt.
Env. impact assmt.
Other services
Parent companyTop local executive
Year founded
11UCOR1
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
25CB&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
36Strata-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
414Perma-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
512TNorth 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
612TSpectra 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
78CH2M 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
89SES 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
9NRMerrick & 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
1016Alliant 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
11NRIngenium 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
12NRGEOServices
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
13NRProcess Engineering Associates
700 S. Illinois Ave., Ste. A202
Oak Ridge, TN 37830
865-220-8722
processengr.com
36 / 57
Chemical engineering, plant design, process safety services, energy conservation studies, emission controls process design
NA
NA
L.H. Boyd Jr.
Managing partner
1996
14NREnSafe 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
15NRCivil & 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
16NRStrata 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
17NRBoston Government Services (BGS)
2532 Jones Road
Lenoir City, TN 37771
866-730-7353
bgs-llc.com
27 / 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.