| GCGem City Concrete LLC | Quincy | IL | — | ◇ UNVERIFIED |
| GGemseal | Greensboro | NC | — | ◇ UNVERIFIED |
| GAGeneral Asphalt Co., INC. | Miami | FL | — | ◇ UNVERIFIED |
| GAGeneral Asphalt CO INC - Plant #1 | Miami | FL | — | ◇ UNVERIFIED |
| GCGeneral Contractors INC | Junction City | IL | — | ◇ UNVERIFIED |
| GCGeneva Construction CO | North Aurora | IL | — | ◇ UNVERIFIED |
| GRGeneva Ready Mix Plant | Geneva | NE | — | ◇ UNVERIFIED |
| GRGeneva Rock | Tooele | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock/pelican Point/rockwell | Lehi | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products Bacchus Pit | Kearns | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products, INC. - Park City Facility | Park City | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products, INC. - Payson Facility | Payson | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products INC. - Springville | Springville | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products: Logan | Logan | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products - Mona | Mona | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products: Ogden | Ogden | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products: Perry | Brigham City | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products- Point of the Mountain (hansen-lehi) Facility | Draper | UT | — | ◇ UNVERIFIED |
| GRGeneva Rock Products: West Haven | Ogden | UT | — | ◇ UNVERIFIED |
| GRGeorge Reed INC | Jamestown | CA | — | ◇ UNVERIFIED |
| GCGeorgia-florida Contracting Company | Jacksonville | FL | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply Cartersville | Cartersville | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply (gms) Block | Tyrone | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply-jonesboro | Jonesboro | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply Lawrenceville Block | Lawrenceville | GA | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corporation-georgia Pacific Firedoor Core Plant | Cuba | MO | — | ◇ UNVERIFIED |
| GAGerald a Barrett INC | Woodbine | NJ | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO. | Blair | NE | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO. | West Point | NE | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO. | Grand Island | NE | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO Columbus Plant | Columbus | NE | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO Wayne Plant | Wayne | NE | — | ◇ UNVERIFIED |
| GMGerken Material INC - Plant 3 (0302000002) | Bluffton | OH | — | ◇ UNVERIFIED |
| GMGerken Materials-damascus Twp. Plant 12 | Custar | OH | — | ◇ UNVERIFIED |
| GMGerken Materials, INC | Jonesville | MI | — | ◇ UNVERIFIED |
| GMGerken Materials, Inc.-clinton Pit | Clinton | MI | — | ◇ UNVERIFIED |
| GMGerken Materials, INC. Hma Plant #22 | Ottawa Lake | MI | — | ◇ UNVERIFIED |
| GMGerken Materials INC Plant No 6 | Sylvania | OH | — | ◇ UNVERIFIED |
| GAGernatt Asphalt Products - Springville Plant | Springville | NY | — | ◇ UNVERIFIED |
| GCGernatt - Collins Plant | Collins | NY | — | ◇ UNVERIFIED |
| GHGiant Hma Gcp3-2742 | Portable Source | NM | — | ◇ UNVERIFIED |
| GNGibraltar National CORP / Quikrete Detroit | Detroit | MI | — | ◇ UNVERIFIED |
| GRGideon Ready Mix | Burwell | NE | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Front Ave Ready-mix Plant | Portland | OR | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Hillsboro Ready-mix Plant | Hillsboro | OR | — | ◇ UNVERIFIED |
| GPGlacier Paving INC | Cloquet | MN | — | ◇ UNVERIFIED |
| GIGlasgow Inc/ivy Rock | Conshohocken | PA | — | ◇ UNVERIFIED |
| GAGlass Aggregates LLC - Maintenance Facility | Glasgow | KY | — | ◇ UNVERIFIED |
| GRGlasscock Ready Mix Concrete LLC - Divine St Cemco | Sumter | SC | — | ◇ UNVERIFIED |
| GCGlen Cove Plant | Glen Cove | NY | — | ◇ UNVERIFIED |