| 1 | 1 | Mesa Associates
10604 Murdock Drive
Knoxville, TN 37932
| 865-671-5400
mesainc.com
2 / Knoxville
| 74
4
259
| Mesa Associates
Madison, AL, USA
545 / 10
| Timothy R. Cutshaw
Executive vice president
1988
|
| 2 | 3 | CB&I
2410 Cherahala Blvd.
Knoxville, TN 37932
| 865-560-7800
cbi.com
2 / Knoxville
| 33
NA
180
| CB&I
The Hague, The Netherlands
40,000 / 140
| Randy Spickard
Vice president
1975
|
| 3 | 2 | MS Technology
137 Union Valley Road
Oak Ridge, TN 37830
| 865-483-0895
mstechnology.com
2 / Oak Ridge, Knoxville
| 32
6
104
| NA
NA
NA
| Kurt P. Oschman
Randy Inkllebarger
President, CEO
President
1994
|
| 4 | 4 | Leidos Engineering
301 Laboratory Road
Oak Ridge, TN 37830
| 865-481-4600
leidos.com/infrastructure
1 / Oak Ridge
| 25
2
350
| Leidos Inc.
Reston, VA
19,000 / 207
| Mike Pasqua
Senior vice president
1975
|
| 5 | 6 | CH2M HILL
2095 Lakeside Centre Way, Ste. 200
Knoxville, TN 37922
| 865-560-2801
ch2m.com
2 / Oak Ridge, Knoxville
| 24
0
119
| CH2M
Denver, CO, USA
22,000 / 148 Area Offices & 108 Project Offices
| Robert Cook
Area Lead
1981
|
| 6 | 5 | GE Power
1409 Centerpoint Blvd.
Knoxville, TN 37932
| 865-693-7550
alstom.com/power
2 / Knoxville
| 23
NA
300
| Alstom
Levallois, France
NA / NA
| Michael Kaplan
Managing director
1973
|
| 7 | 8 | S&ME Inc.
1413 Topside Road
Louisville, TN 37777
| 865-970-0003
smeinc.com
2 / Louisville, Knoxville
| 20
2
77
| S&ME Inc.
Raleigh, NC, USA
1,100 / 36
| Randal G. Martin
Elizabeth M. Porter
Michael R. Stomer
Vice presidents
1988
|
| 8 | 10 | Cannon & Cannon
8550 Kingston Pike
Knoxville, TN 37919
| 865-670-8555
cannon-cannon.com
1 / Knoxville
| 19
6
46
| NA
NA
NA
| Angela Y. Cannon
CEO
1996
|
| 9 | 11 | Barge, Waggoner, Sumner and Cannon
520 W. Summit Hill Drive, Ste. 1202
Knoxville, TN 37902
| 865-637-2810
bargewaggoner.com
1 / Knoxville
| 17
4
52
| Barge, Waggoner, Sumner and Cannon
Nashville, TN
291 / 14
| Casey O. Tyree
Office manager, vice president
1972
|
| 10 | 14 | Michael Brady Inc.
299 N. Weisgarber Road
Knoxville, TN 37919
| 865-584-0999
michaelbradyinc.com
1 / Knoxville
| 14
1
77
| NA
NA
NA
| Louis Cortina
Eddie Jett
President
CEO
1990
|
| 11 | 15T | Merrick & Company
1093 Commerce Park Drive
Oak Ridge, TN 37830
| 865-685-5520
merrick.com
2 / Oak Ridge
| 13
1
52
| Merrick & Company
Greenwood Village, CO, U.S.
289 / 20
| Brian Drane
Dennis Knight
Office directors
1955
|
| 12 | 12 | Innovative Design Inc.
10700 Virginia Pine Way, Suite 201
Knoxville, TN 37932
| 865-966-4402
idi-tn.com
NA / Knoxville
| 13
4
45
| NA
NA
NA
| Cindy Hollander
Owner, president
1997
|
| 13 | 13 | Gresham, Smith & Partners
2095 Lakeside Centre Way, Ste. 120
Knoxville, TN 37922
| 865-521-6777
gspnet.com
NA / Knoxville
| 11
3
30
| Gresham, Smith and Partners
Nashville, TN
800 / 24
| David Kiefer
Jason Brady
Senior water resources engineer
Principal
2005
|
| 14 | 9 | Lauren Engineers and Constructors
2160 Lakeside Centre Way, Ste. 100
Knoxville, TN 37922
| 865-690-8610
laurenec.com
1 / Knoxville
| 11
NA
29
| Lauren Engineers and Constructors
Abilene, TX
NA / 7
| Mark Buchanan
Vice president, engineering
2002
|
| 15 | 15T | Process Engineering Associates
700 S. Illinois Ave., Ste. A202
Oak Ridge, TN 37830
| 865-220-8722
processengr.com
1 / Oak Ridge
| 10
0
34
| NA
NA
NA
| L.H. Boyd Jr.
Managing partner
1996
|
| 16 | NR | Atkins
101 Midway Lane
Oak Ridge, TN 37830
| 865-483-8247
atkinsglobal.com
1 / Oak Ridge
| 8
0
70
| WS Atkins plc
London, England
NA / NA
| Chris Dean
Tom Jouvanis
Vice president, federal operations
President
2001
|
| 17 | 17 | Civil & Environmental Consultants Inc.
2704 Cherokee Farm Way, Ste. 101
Knoxville, TN 37920
| 865-977-9997
cecinc.com
2 / Knoxville, Sevierville
| 7
2
32
| Civil & Environmental Consultants Inc.
Pittsburgh, PA, United States
760 / 20
| James C. Tomiczek, P.E.
Vice president, office lead
2014
|
| 18 | 19 | LDA Engineering
110 Tyson Blvd., Ste. 200
Alcoa, TN 37701
| 865-573-7672
ldaengineering.com
2 / Knoxville, Morristown
| 7
2
27
| NA
NA
NA
| Jason Brooks
President, CEO
1982
|
