| 138892 | 46.415036 | -71.051574 | BPDL |
| 139052 | 33.883589 | -84.744599 | Metromont - Hiram |
| 139727 | 39.609679 | -75.699470 | Rocla Concrete Tie, Inc. |
| 139743 | 40.376108 | -82.502380 | Prestress Services Industries, LLC – Mt. Vernon Plant |
| 139865 | 41.637151 | -73.075480 | Coreslab Structures (CONN) Inc. |
| 140189 | 42.146598 | -70.949408 | BPDL - division Precast Specialties Corp. |
| 140312 | 42.225360 | -88.281990 | Wells - Crystal Lake, IL |
| 140611 | 44.721521 | -93.094334 | Wells - Rosemount, MN |
| 140883 | 32.589646 | -93.516155 | F-S Prestress, LLC - Princeton |
| 141471 | 40.167939 | -74.533302 | Precast Systems, Inc. |
| 141554 | 36.313579 | -79.634770 | Smith-Midland Corporation |
| 141569 | 35.411556 | -97.498040 | Coreslab Structures (OKLA) Inc. (Plant 1) |
| 141675 | 44.961059 | -92.556322 | County Prestress & Precast, LLC - Roberts, WI |
| 141978 | 30.513738 | -88.493087 | Tindall Corporation – Mississippi Division |
| 142023 | 25.880160 | -80.372790 | Coreslab Structures (MIAMI) Inc. |
| 142167 | 32.028373 | -97.121216 | Wells - Hillsboro, TX |
| 142519 | 45.310013 | -66.035133 | Strescon Limited - Saint John Plant |
| 143306 | 41.803272 | -90.329239 | Rail.One USA Corp |
| 144186 | 35.598409 | -119.329517 | Pinnacle Prestress, Inc. |
| 144281 | 39.551717 | -84.230387 | High Concrete Group Springboro |
| 144691 | 34.541066 | -117.455485 | Clark Pacific - Adelanto |
| 145160 | 36.202507 | -95.836622 | Coreslab Structures (TULSA) Inc. |
| 145534 | 30.506412 | -97.853018 | Coreslab Structures (TEXAS) Inc. |
| 145559 | 43.746435 | -93.735414 | Wells - Wells, MN |
| 145563 | 40.029710 | -104.797009 | Wells - Brighton, CO |
| 145892 | 35.052206 | -106.656414 | Coreslab Structures (ALBUQUERQUE) Inc. |
| 146736 | 31.479661 | -87.333804 | Wells - Monroeville, AL |
| 146815 | 28.831561 | -81.904312 | Leesburg Concrete Company Inc. |
| 147048 | 39.839977 | -85.922760 | ATMI Indy |
| 147222 | 44.065113 | -87.874840 | Wells - Valders, WI |
| 147436 | 34.978106 | -81.979790 | Metromont - Spartanburg |
| 148428 | 39.083828 | -94.728272 | Coreslab Structures (KANSAS) Inc. |
| 148682 | 38.164259 | -104.612469 | Rocla Concrete Tie, Inc. |
| 148818 | 29.384771 | -98.543613 | Tindall Corporation – Texas Division |
| 149027 | 48.565961 | -71.669044 | BPDL - Papeterie Plant |
| 149113 | 39.120294 | -93.205260 | Coreslab Structures (MISSOURI) Inc. |
| 149120 | 27.846440 | -81.828438 | Metromont - Bartow |
| 149580 | 41.069410 | -95.919480 | Coreslab Structures (OMAHA) Inc. |
| 150605 | 37.506563 | -77.383992 | Metromont - Richmond |
| 151240 | 33.823504 | -117.228877 | Coreslab Structures (L.A.) Inc. |
| 151625 | 33.805678 | -84.470912 | Standard Concrete Products, Inc. |
| 151749 | 38.767933 | -82.879077 | Rocla Concrete Tie, Inc. |
| 151939 | 35.060519 | -92.427266 | Coreslab Structures (ARK) Inc. |
| 152112 | 41.749407 | -88.338718 | ATMI Precast |
| 152462 | 39.767836 | -84.253064 | Encore Precast, LLC |
| 152541 | 33.399598 | -112.151318 | Coreslab Structures (ARIZ) Inc. |
| 152718 | 42.580950 | -89.008911 | County Prestress & Precast, LLC - Janesville, WI |
| 153011 | 40.882477 | -81.589878 | Lindsay Precast - Canal Fulton |
| 154182 | 30.336509 | -89.255940 | Gulf Coast Pre-Stress Partners, Ltd. - Pass Christian |
| 154884 | 28.837783 | -97.009995 | Texas Concrete Partners, LP - Victoria |
| 154895 | 44.080359 | -70.270614 | Superior Concrete, LLC |
| 155805 | 31.670023 | -97.096096 | Texas Concrete Partners, LP - Elm Mott |
| 156280 | 45.745593 | -87.086903 | Upper Peninsula Concrete Pipe Company, Inc. |
| 156373 | 34.076098 | -117.494856 | Jensen Infrastructure - Fontana |
| 156720 | 33.641888 | -84.318039 | Tindall Corporation – Georgia Division |
| 157051 | 29.549652 | -95.286750 | Wells - Pearland, TX |
| 157104 | 34.953171 | -82.007695 | Tindall Corporation – South Carolina Division |
| 157370 | 41.769015 | -88.262470 | Dukane Precast, Inc. |
| 157593 | 33.903648 | -80.328771 | Florence Concrete Products, Inc. |
| 157627 | 42.666569 | -88.287668 | County Prestress & Precast, LLC - Burlington, WI |
| 157917 | 36.297807 | -87.083657 | Wells - Ashland City, TN |
| 158343 | 28.331898 | -81.396299 | Wells - Kissimmee, FL |
| 158570 | 47.085202 | -122.357140 | Jensen Infrastructure - Puyallup |
| 158587 | 40.859230 | -84.962491 | Prestress Services Industries, LLC - Decatur Plant |
| 158799 | 33.491209 | -84.335363 | Coreslab Structures (ATLANTA) Inc. |
| 158816 | 27.862750 | -82.540992 | Standard Concrete Products, Inc. |
| 158822 | 32.919127 | -111.515488 | Stinger Bridge & Iron |
| 159253 | 45.583555 | -122.391483 | Jensen Infrastructure - Camas |
| 159661 | 36.044215 | -95.769830 | NAPCO Precast |
| 159875 | 34.809517 | -82.430217 | Metromont - Greenville |
| 159919 | 48.566824 | -71.646776 | BPDL - Bombardier Plant |
| 160094 | 39.750500 | -86.057965 | Coreslab Structures (INDIANAPOLIS) Inc. |
| 160489 | 37.197945 | -77.523242 | Tindall Corporation – Virginia Division |
| 160680 | 32.073617 | -81.052883 | Standard Concrete Products, Inc. |
| 160836 | 33.952278 | -80.833646 | Smith-Midland Corporation |
| 160986 | 32.619425 | -85.352052 | Castone Corporation |
| 161128 | 44.120806 | -103.284461 | Pete Lien & Sons, Inc. |
| 161212 | 44.752224 | -63.632755 | Strescon Limited - Bedford Plant |
| 161277 | 32.556717 | -116.537329 | DURA ART STONE – TECATE PLANT |
| 161322 | 35.397810 | -97.440073 | Coreslab Structures (OKLA) Inc. (Plant 2) |
| 161557 | 38.620835 | -88.953341 | County Prestress & Precast, LLC - Salem, IL |
| 161564 | 35.489154 | -119.254162 | Con-Fab California, LLC |
| 161568 | 38.712973 | -121.753930 | Clark Pacific - Woodland |
| 162083 | 30.402569 | -81.638163 | Wells - Jacksonville, FL |
| 162130 | 37.921806 | -90.547441 | County Prestress & Precast, LLC - Bonne Terre, MO |
| 162158 | 36.590120 | -82.223337 | Ross Prestress |
| 162288 | 36.807509 | -76.299814 | Atlantic Metrocast, Inc. |
| 162486 | 38.070397 | -84.325542 | Prestress Services Industries, LLC – Lexington Plant |
| 162538 | 28.005038 | -82.392997 | Coreslab Structures (TAMPA) Inc. |
| 215414 | 28.747198 | -81.909210 | Coreslab Structures (ORLANDO) Inc. |
| 216227 | 30.146613 | -93.278319 | ALFRED MILLER CONTRACTING COMPANY |
| 216250 | 37.824527 | -121.263984 | Con-Fab California, LLC |
| 216256 | 41.777002 | -88.195038 | Dukane Precast, Inc. |
| 216257 | 38.264383 | -77.300871 | Faddis Concrete Products |
| 216262 | 31.391738 | -89.375672 | F-S Prestress, LLC - Hattiesburg |
| 216290 | 40.227539 | -76.116808 | High Concrete Group Denver |
| 216310 | 25.825164 | -80.391945 | International Casting Corp |
| 216314 | 45.182794 | -93.118795 | Molin Concrete Products Company |
| 216320 | 47.727536 | -117.049587 | Knife River Prestress |
| 216328 | 37.185228 | -93.330873 | Prestressed Casting Co.-Springfield Plant |
| 216332 | 35.953862 | -83.835801 | Ross Prestress |
| 216333 | 39.206125 | -78.158517 | Shockey Precast - A Metromont Company |
| 216345 | 45.618143 | -94.557705 | Wells - Albany, MN |
| 216346 | 36.885003 | -121.555245 | Willis Construction Co., Inc. - San Juan Bautista Plant |
| 216366 | 42.467459 | -91.153194 | Advanced Precast Company, Inc. |
| 216367 | 49.182122 | -122.668321 | APS Architectural Precast Systems Ltd. |
| 216373 | 40.765931 | -77.099090 | Architectural Precast Innovations, Inc. |
| 216375 | 29.501213 | -98.642272 | NAPCO Precast |
| 216387 | 41.510404 | -87.539802 | AVAN Precast Concrete, Inc. |
| 216406 | 41.303964 | -72.775126 | Blakeslee Prestress, Inc. |
| 216409 | 40.731673 | -79.844118 | Brayman Precast, LLC |
| 216411 | 34.680907 | -106.771811 | Castillo Prestress |
| 216415 | 40.866678 | -96.636856 | Concrete Industries, Inc. |
| 216416 | 47.267853 | -122.402490 | Concrete Technology Corporation |
| 216417 | 39.821423 | -77.039587 | Conewago MFG LLC / Conewago Precast Bldg Systems |
| 216419 | 35.721031 | -88.819965 | Thomson Prestress |
| 216420 | 43.770564 | -91.352968 | Crest Precast, Inc. |
| 216422 | 39.178948 | -121.451783 | CTU Precast |
| 216423 | 41.693957 | -74.148674 | David Kucera Inc. |
| 216424 | 30.158060 | -93.566325 | dp Concrete Products LLC |
| 216425 | 28.874176 | -81.766433 | Dura-Stress, Inc. |
| 216427 | 39.973093 | -76.008948 | Dutchland, LLC |
| 216429 | 30.072864 | -95.996837 | East Texas Precast |
| 216457 | 44.366920 | -97.850920 | Collins Precast LLC |
| 216476 | 42.956905 | -73.203157 | Dailey Precast, LLC |
| 216482 | 43.577224 | -96.678185 | Gage Bros. Concrete Products, Inc. |
| 216483 | 32.913403 | -96.663010 | GFRC 360, LLC dba GFRC Cladding |
| 216484 | 43.874017 | -79.511474 | Global Precast, Inc. |
| 216507 | 40.456128 | -89.542656 | ICCI Illini Concrete, LLC |
| 216509 | 43.205677 | -88.076962 | International Concrete Products |
| 216518 | 33.509969 | -90.109464 | J.J. Ferguson Prestress-Precast |
| 216519 | 44.007716 | -73.096578 | Joseph P. Carrara & Sons, Inc. |
| 216520 | 32.345395 | -90.184953 | Jackson Precast, Inc. |
| 216533 | 38.014511 | -121.755762 | Kie-Con Inc. |
| 216534 | 44.280565 | -123.172185 | Knife River Prestress |
| 216536 | 41.669395 | -87.726180 | Lombard Architectural Precast Products Company |
| 216538 | 29.898514 | -95.959187 | Legacy Precast, LLC |
| 216540 | 38.879841 | -91.954058 | Mid America Precast, Inc. |
| 216541 | 36.397400 | -87.013990 | Mid South Prestress, LLC |
| 216544 | 44.334763 | -88.632710 | MidCon Products, Inc. |
| 216546 | 42.490506 | -89.025687 | Mid-States Concrete Industries, LLC |
| 216548 | 45.229194 | -93.440978 | Molin Concrete Products Company |
| 216551 | 29.606335 | -98.277472 | MANCO STRUCTURES, LTD. |
| 216552 | 43.224079 | -71.336716 | Newstress Inc. |
| 216553 | 39.900622 | -77.675357 | Nitterhouse Concrete Products, Inc. |
| 216555 | 40.640245 | -76.194907 | Northeast Prestressed Products, LLC |
| 216557 | 40.454759 | -111.919041 | Olympus Precast Plant |
| 216558 | 41.574806 | -93.551299 | PDM Precast, Inc. |
| 216559 | 42.871764 | -85.246451 | Peninsula Prestress Company |
| 216560 | 40.319602 | -78.392336 | PENNSTRESS, A Division Of MacInnis Group, LLC |
| 216561 | 39.499248 | -105.026695 | Plum Creek Structures |
| 216563 | 35.104883 | -80.928047 | Prestress of the Carolinas |
| 216564 | 38.076863 | -97.358733 | Prestressed Concrete Construction, LLC |
| 216571 | 38.607812 | -77.713818 | Smith-Midland Corporation |
| 216572 | 38.780400 | -89.960732 | St. Louis Prestress, Inc. |
| 216574 | 43.220463 | -88.087289 | Stonecast Products - Germantown |
| 216577 | 41.624196 | -86.339857 | StresCore, Inc. |
| 216578 | 38.694507 | -97.600517 | Stress Cast |
| 216579 | 25.893084 | -80.383591 | Structural Prestressed Industries, Inc. |
| 216580 | 35.280282 | -119.095117 | StructureCast |
| 216586 | 43.091078 | -73.542197 | The Fort Miller Co., Inc. |
| 216589 | 40.242233 | -75.687741 | Universal Concrete Products Corp. |
| 216598 | 27.391013 | -80.360463 | Precast Specialties, LLC |
| 216780 | 45.714000 | -73.535700 | Saramac/9229-0188 Quebec Inc. |
| 218225 | 44.902783 | -91.420849 | Huffcutt Concrete LLC |
| 218290 | 45.123062 | -99.044738 | SteinBauer LLC |
| 219195 | 41.605167 | -88.074133 | County Prestress & Precast, LLC - Romeoville, IL |
| 222349 | 39.936196 | -86.348222 | County Prestress & Precast, LLC - Whitestown, IN |
| 227597 | 39.426447 | -75.020029 | Northeast Precast |
| 228871 | 34.715466 | -81.044675 | Faddis Concrete Products |
| 231331 | 45.306598 | -73.221971 | BPDL |
| 239132 | 36.787871 | -76.294678 | HRCP Precast Plant |
| 247674 | 13.543345 | 144.919595 | Rocky Mountain Precast |
| 249330 | 39.249368 | -76.642040 | Nelson Precast |
| 257681 | 34.910317 | -80.981390 | Lindsay Precast - Rock Hill |
| 258309 | 29.780359 | -82.443197 | Lindsay Precast - Alachua |
| 258420 | 36.080577 | -78.481624 | Lindsay Precast - Franklinton |
| 259287 | 45.694134 | -122.654633 | National Precast |
| 262466 | 47.732306 | -104.174517 | Basin Precast, Inc. |