| Lab Cert. # | Lab Name | City, State |
| 175 | Advance Testing Co. | West Stockbridge, MA |
| 176 | Advance Testing Co. Mobile Lab | Campbell Hall, NY |
| 174 | Advance Testing Company | Campbell Hall, NY |
| 209 | Advance Testing Company | Enfield, NH |
| 144 | Aggregate Industries | Wrentham, MA |
| 180 | Aggregate Industries | Stoughton, MA |
| 179 | Aggregate Industries | Raynham, MA |
| 147 | Aggregate Industries | Chelmsford, MA |
| 148 | Aggregate Industries | Saugus, MA |
| 194 | Aggregate Industries | Dennis, MA |
| 208 | Aggregate Industries | Portsmouth, NH |
| 216 | Aggregate Industries | Wilmington, MA |
| 206 | ATC Associates | West Springfield, MA |
| 177 | Atlantic Testing Laboratories, Limited | Clifton Park, NY |
| 195 | Boston Testing | Saugus, MA |
| 105 | Briggs Engineering & Testing | Rockland, MA |
| 169 | Brox Industries Central Lab | Dracut, MA |
| 132 | Bruce A. Manzer | Phillips, ME
ME |
| 171 | Continental Paving, Inc. | Londonderry, NH |
| 191 | Dayton Sand & Gravel | Dayton, ME |
| 163 | F.R. Carroll, Inc. | Limerick, ME |
| 187 | Granger Lynch Corp. | Millbury, MA |
| 108 | Harry C. Crooker & Sons | Topsham, ME |
| 202 | Holden Trap Rock | Holden, MA |
| 196 | J.G. MacLellan Concrete Co. | Lowell, MA |
| 184 | J.H. Lynch & Sons | Cumberland, Rhode Island |
| 200 | Johnston Asphalt / All States Asphalt | Johnston, RI |
| 199 | Killingly Asphalt / All States Asphalt | Killingly, CT |
| 109 | Lane Const. Corp. Portable Lab #1 | Pembroke, ME |
| 117 | Lane Const. Corp. Portable Lab #2 | Enfield, ME |
| 116 | Lane Const. Corp. Portable Lab #3 | Phillips, ME |
| 111 | Lane Construction Corp. | Hancock, ME |
| 110 | Lane Construction Corp. | Hermon, ME |
| 112 | Lane Construction Corp. | Presque Isle, ME |
| 134 | Lane Construction Corp. | Belfast, ME |
| 159 | Lane Construction Corp. | Northfield, MA |
| 156 | Lane Construction Corp. | Westfield, MA |
| 158 | Lane Construction Corp. | Granby, MA |
| 192 | Lane Construction Corp. | Washington, ME |
| 193 | Lane Construction Corp. | Charlotte, ME |
| 197 | Lane Construction Corp. | Pittsfield, MA |
| 201 | Lane Construction Corp. | Westbrook, ME |
| 203 | Lane Construction Corp. | Houlton, ME |
| 107 | Maine DOT | Freeport, ME |
| 198 | Marriners | Washington, ME |
| 207 | Mass DOT District 4 | Arlington, MA |
| 217 | Oxford Asphalt, Inc. | Oxford, MA |
| 188 | P.A. Landers | Plymouth, MA |
| 143 | P.J. Keating Co. | Acushnet, MA |
| 160 | P.J. Keating Co. | Lunenburg, MA |
| 185 | P.J. Keating Co. | Dracut, MA |
| 170 | Palmer Paving Corp. | Springfield, MA |
| 210 | Palmer Paving Corp. | Palmer, MA |
| 211 | Palmer Paving Corp. | Barre, MA |
| 186 | Pike Ind., Richmond QC Lab Trailer | Richmond, ME |
| 123 | Pike Industries | Poland, ME |
| 120 | Pike Industries | Wells, ME |
| 121 | Pike Industries | Lewiston, ME |
| 122 | Pike Industries | Fairfield, ME |
| 125 | Pike Industries | Augusta, ME |
| 129 | Pike Industries | Westbrook, ME |
| 135 | Pike Industries | N. Waterford, ME |
| 153 | Pike Industries | Dover Foxcroft, ME |
| 172 | Pike Industries | Farmington, NH |
| 182 | Pike Industries | Portsmouth, NH |
| 214 | Pike Industries | Hermon, ME |
| 183 | Pike Industries (P-805) | Gorham, NH |
| 190 | Pike Industries 719 QA Lab | Lincoln, ME |
| 215 | Pike Industries Portable Lab #733 | Rangely, ME |
| 204 | RC & Sons Paving | Augusta, ME |
| 205 | RC & Sons Paving | Auburn, ME |
| 181 | Steelstone Industries | Houlton, ME |
| 133 | Sunrise Materials | Medway , ME |
| 189 | Test-Con, Inc. | Danbury, CT |
| 140 | Thibodeau Bangor Lab | Bangor, ME |
| 128 | Thibodeau Prospect Lab | Prospect, ME |
| 178 | Vanasse Hangen Brustlin, Inc. | Middletown, CT |
| 165 | Warner Bros. LLC / Trew Stone LLC | E. Deerfield, MA |
| 212 | White Kiewit Mobile Laboratory #1 | Route 93 Bridge Project, |
| 213 | White Kiewit Mobile Laboratory #2 | , |