| HI-Volt Line Construction | (603)895-0100 | |
| Riggs Distler | (856)433-6000 | riggsdistler.com |
| Siemens Industry, Inc. | (800)743-6367 | usasiemens.com |
| O'Donnell Line Construction | (603)887-2084 | odonnell-line.com |
| J.E. Guertin | (508)875-5293 | |
| Allan Briteway Electrical Contr. | (973)781-0022 | allanbriteway.com |
| Thirau, USA, Inc. | (860)667-2163 | thirau.com |
| Matrix SME, Inc. | (610)876-9292 | matrixsme.com |
| E.W. Audet & Sons | (401)467-3510 | ewaudet.com |
| D & D Power Inc. | (518)869-2221 | danddpower.com |
| ELDU Energy Services | (585)729-6761 | eldu.com |
| Utec Constructors Corporation | (617)364-8960 | uteccorp.com |
| WARD ELECTRIC COMPANY | (303) 682-0066 | wardelectriccompany.com |
| Fairway Electric, Inc. | (603) 316-5350 | |
| New Gen Powerline Construction | | |
| MILLER CONSTRUCTION CO. INC. | (812) 882-6690 | millerpower.com |
| W.A. Chester | (240)487-1940 | wachester.com |
| Aldon Electric | (781)337-0222 | aldonelectric.com |
| Wilson Construction CO. | (503)263-6882 | wilsonconst.com |
| New England Utilities | (781)491-0053 | newenglandutilities.com |
| PAR Electrical Contractors | (816)474-9340 | parelectric.com |
| Certified Erosion Control | (603)622-9277 | certifiederosion-nh.com |
| Ryan Electric | (401)732-5490 | |
| Comm-Tract Corp. | (781)890-5070 | comm-tract.com |
| Utec Constructors Corporation | (617)364-8960 | uteccorp.com |
