| 1 | 1 | Electric Power Research Institute (EPRI) 942 Corridor Park Blvd. Knoxville, TN 37932
| 865-218-8000 epri.com 1 / Knoxville
| 70 NA 135
| EPRI Palo Alto, CA 8
| Mark F. McGranaghan Vice president, power delivery & utilization 2005
|
| 2 | 2 | Mesa Associates 10604 Murdock Drive Knoxville, TN 37932
| 865-671-5400 mesainc.com 3 / Knoxville, Oak Ridge
| 58 2 241
| Mesa Associates Madison, AL 470 / 13
| Timothy R. Cutshaw Executive vice president 1988
|
| 3 | 5 | CB&I 312 Directors Drive Knoxville, TN 37923
| 865-690-3211 cbi.com 2 / Knoxville
| 55 NA 218
| CB&I The Woodlands, TX USA 50,000
| Bob Culbertson VP, Federal Services 1975
|
| 4 | 3 | MS Technology 137 Union Valley Road Oak Ridge, TN 37830
| 865-483-0895 mstechnology.com 3 / Oak Ridge
| 39 2 150
| NA NA NA
| Dr. Michael J. Smith President, CEO 1994
|
| 5 | 4 | Jacobs 9721 Cogdill Road, Ste. 201 Knoxville, TN 37932
| 865-966-1000 jacobs.com NA / Knoxville, Oak Ridge
| 38 12 324
| Jacobs Engineering Group Pasadena, CA 60,000 / 200
| David A. Reece Regional manager 1994
|
| 6 | 6 | CH2M HILL 2095 Lakeside Centre Way, Ste. 200 Knoxville, TN 37922
| 865-560-2801 ch2m.com 2 / Oak Ridge, Knoxville
| 38 NA 174
| CH2M HILL Denver, CO USA 28,000 / 254
| Robert Cook Area office manager 1981
|
| 7 | 7 | Alstom Power 1409 Centerpoint Blvd. Knoxville, TN 37932
| 865-693-7550 power.alstom.com 1 / Knoxville
| 36 3 305
| Alstom Levallois France 92,600
| James A. Yann Managing director 1973
|
| 8 | 10 | Nuclear Safety Associates 100 Union Valley Road, Ste. 101 Oak Ridge, TN 37830
| 865-483-8247 nuclearassociates.com NA / Oak Ridge
| 20 NA 60
| Nuclear Safety Associates Charlotte, NC USA 150 / 6
| Chris Dean Vice president, Operations - Federal Division 2001
|
| 9 | 8 | Barge, Waggoner, Sumner and Cannon 10133 Sherrill Blvd., Ste. 200 Knoxville, TN 37932
| 865-637-2810 bargewaggoner.com 1 / Knoxville
| 19 2 72
| Barge, Waggoner, Sumner and Cannon Nashville, TN 315 / 9
| Joseph A. Ledford Chairman of the board 1972
|
| 10 | 9 | Tetra Tech 800 Oak Ridge Turnpike, Ste. A-600 Oak Ridge, TN 37830
| 865-483-9900 tetratech.com NA / Oak Ridge, Powell
| 18 8 181
| Tetra Tech Pasadena, CA 14,000 / 350
| Tiki Dixon Vice president, Oak Ridge operations 1986
|
| 11 | NR | Merrick & Co. 1093 Commerce Park Drive Oak Ridge, TN 37830
| 865-685-5520 merrick.com NA / Oak Ridge, TN
| 18 0 41
| Merrick & Co. Greenwood Village, CO US 486 / 17
| Dennis Knight Office director 1955
|
| 12 | 16 | AMEC 9725 Cogdill Road Knoxville, TN 37932
| 865-671-6774 amec.com NA / Knoxville
| 17 0 100
| AMEC London England NA
| Brent Chambers Vice president 1972
|
| 13 | 12 | Cannon & Cannon 8550 Kingston Pike Knoxville, TN 37919
| 865-670-8555 cannon-cannon.com NA / Knoxville
| 16 4 44
| NA NA NA
| Angela Y. Cannon CEO 1996
|
| 14 | 11 | Process Engineering Associates 700 S. Illinois Ave., Ste. A202 Oak Ridge, TN 37830
| 865-220-8722 processengr.com 2 / Oak Ridge
| 13 0 42
| NA NA NA
| L.H. Boyd Managing partner, chief process engineer 1996
|
| 15 | 14 | S&ME Inc. 1413 Topside Road Louisville, TN 37777
| 865-970-0003 smeinc.com 1 / Louisville
| 12 2 50
| S&ME Inc. Raleigh, NC USA 890 / 25
| Randal G. Martin Elizabeth M. Porter Michael R. Stomer Vice presidents 1988
|
| 16 | NR | Innovative Design Inc. 113 Peterson Road Knoxville, TN 37934
| 865-966-4402 idi-tn.com 1 / NA
| 12 4 32
| NA NA NA
| Cindy Hollander Owner, president 1997
|
| 17 | 13 | Fulghum MacIndoe & Associates 10330 Hardin Valley Road, Ste.201 Knoxville, TN 37932
| 865-690-6419 fulghummacindoe.com 1 / Knoxville
| 12 4 21
| NA NA NA
| Mike MacIndoe William Fulghum Owners 2003
|
| 18 | NR | Spectra Tech 132 Jefferson Court Oak Ridge, TN 37830
| 865-483-7210 spectratechinc.com NA / Oak Ridge
| 11 2 225
| Spectra Tech Oak Ridge, TN 5
| Dr. Loong Yong President 1995
|
| 19 | 15 | McGill Associates, P.A. 2240 Sutherland Ave., Ste. 2 Knoxville, TN 37919
| 865-540-0801 mcgillengineers.com 2 / Knoxville, Sevierville
| 11 2 22
| McGill Associates, P.A. Asheville, NC USA 120 / 5
| Gary R. McGill Principal 1984
|
| 20 | NR | GEOServices 2561 Willow Point Way Knoxville, TN 37934
| 865-539-8242 geoservicesllc.com 2 / Knoxville
| 10 6 83
| NA NA NA
| Dennis A. Huckaba Professional Engineer
Principal 2006
|