Greater Knoxville Book of Lists | Knoxville Business Journal

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Knoxville-Area Environmental Engineering & Consulting Firms Ranked by Number of Local Employees
Rank
'18
'17CompanyPhone
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
1,700 / 1,700
Y
Y
Y
Y
Y
Radioactive waste management, environmental monitoring and restoration, asset management
AECOM
CH2M
NA
Ken Rueter
President, CEO/ETTP Cleanup Project Manager
2011
2NRAtkins
545 Oak Ridge Turnpike
Oak Ridge, TN 37830
865-483-8247
atkinsglobal.com/nuclear
591 / 55,000
Y
Y
Y
Y
Y
NA
SNC-Lavalin
Montreal, QC Canada
Tom Jouvanis
President
2001
34North Wind Solutions
2800 Solway Road
Knoxville, TN 37931
865-705-9804
northwindgrp.com
235 / 1,200
Y
Y
Y
Y
Y
NA
Cook Inlet Region Inc.
Anchorage, AK
Chris Leichtweis
CEO, president
1997
42Strata-G, LLC
2027 Castaic Lane
Knoxville, TN 37932
865-934-3400
stratag.org
200 / 210
Y
Y
Y
Y
Y
Utilities, infrastructure, ES&H, nuclear operations, waste management
NA
NA
Dan Hurst
President
2002
5NRNavarro Research and Engineering
1020 Commerce Park Drive
Oak Ridge, TN 37830
865-220-9650
www.navarro-inc.com
100 / 650
Y
Y
Y
Y
Y
Environmental remediation, regulatory compliance, long-term monitoring, groundwater modeling, waste management
NA
NA
Susana Navarro-Valenti
President
1993
56CH2M HILL
2095 Lakeside Centre Way, Ste. 200
Knoxville, TN 37922
865-560-2801
ch2m.com
100 / 18,988
Y
Y
Y
Y
Y
Military munitions response/investigation
CH2M
Denver, CO USA
Robert Cook
NA
1981
73Perma-Fix Environmental Services
1093 Commerce Park Drive, Ste. 300
Oak Ridge, TN 37830
865-690-0501
perma-fix.com
96 / 249
N
Y
Y
N
N
NA
Perma-Fix Environmental Services
Atlanta, GA
Mark Duff
Executive vice president, CEO
1990
85Spectra Tech Inc.
132 Jefferson Court
Oak Ridge, TN 37830
865-483-7210
spectratechinc.com
95 / 150
Y
Y
Y
Y
Y
NA
NA
NA
Dr. Loong Yong
President
1995
9NRWood Environment & Infrastructure Solutions, Inc.
2030 Falling Waters Road, Ste. 300
Knoxville, TN 37922
865-671-6774
woodplc.com
91 / 55,000
Y
Y
Y
Y
Y
Stormwater, green infrastructure, mercury remediation, self perform injections for remediation projects.
Wood, plc
Aberdeen Scotland
Jennifer Stone
Office manager
1972
107SES Group of Companies
1006 Floyd Culler Court
Oak Ridge, TN 37830
865-481-7837
specproenv.com
90 / 243
Y
Y
Y
NA
Bristol Bay Native Corp.
Anchorage, AK
Basil Skelton
President, CEO
19922
1111GEOServices
2561 Willow Point Way
Knoxville, TN 37931
865-539-8242
geoservicesllc.com
50 / 165
Y
Y
Y
Y
Y
NA
NA
NA
Dennis Huckaba
Professional Engineer, Principal
2006
1216Boston Government Services (BGS)
105 Mitchell Road, Ste. 101
Oak Ridge, TN 37830
865-272-8400
bgs-llc.com
38 / 52
Nuclear safety and criticality safety engineering for D&D, quality assurance (NQA-1), regulatory compliance, D&D waste planning, waste management operations support, and environmental consulting
NA
NA
Harry Boston
President
2007
1314Civil & Environmental Consultants Inc.
2704 Cherokee Farm Way, Ste. 101
Knoxville, TN 37920
865-977-9997
cecinc.com
37 / 800
Y
N
Y
Y
Y
Air dispersion modeling, hydrogeology & groundwater modeling
Civil & Environmental Consultants Inc.
Pittsburgh, PA United States
James Tomiczek, P.E.
Vice president, office lead
2014
149Alliant Corporation
320 N. Cedar Bluff Road, Suite 200
Knoxville, TN 37923
865-934-2222
www.alliantcorp.com
36 / 48
N
Y
Y
Y
Y
Consulting and professional services for technical and scientific disciplines serving commercial clients and federal and municipal governments. 3
NA
NA
Terence Douglas
Greg Galaher
President
Executive Vice President
2000
1512Process Engineering Associates
700 S. Illinois Ave., Ste. A202
Oak Ridge, TN 37830
865-220-8722
processengr.com
35 / 55
Chemical process design and process safety services
NA
NA
L.H. Boyd Jr.
Managing partner
1996
1615Strata Environmental Services
110 Perimeter Park Road, Ste. E
Knoxville, TN 37922
865-539-2077
strataenv.com
34 / 34
Y
Y
Y
Y
Environmental due diligence (Phase I & II); environmental affairs outsourcing including air, storm water, fuel system permitting, and environmental management software
NA
NA
D. Gregory Jernigan
President
1992
168Merrick & Company
1093 Commerce Park Drive
Oak Ridge, TN 37830
865-685-5520
merrick.com
34 / 560
Y
Y
NA
Merrick & Company
Greenwood Village, CO U.S.
David Huelskamp
Christopher Sherry
Chairman, CEO
President4
1955
1 Partnership of AECOM, CH2M; 2 Local founding of SES's predecessor, STEP; 3 Environmental services include (energy management, program development & management, geo-environmental, field operations support, and waste management), safety and health, and project controls support. ; 4 David Luke, COO, Steve Betts, CFO
Source: Individual company representatives, individual company websites. NA=not applicable or not available. If you notice an error or omission, please contact Hayley Choy at 865-342-6494 or lists@knoxvillebiz.com.

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