| GBGlendale Batch Plant #7 | Glendale | AZ | — | ◇ UNVERIFIED |
| GGGlen Gery CORP Landmark Stone Products LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| GLGlenn Lege Construction INC - Allmix Model 6628 - Sn 875s Sand Pit Rd Asphalt Pl | Abbeville | LA | — | ◇ UNVERIFIED |
| GOGlenn O Hawbaker/greens Landing Asphalt Plt 24 | Milan | PA | — | ◇ UNVERIFIED |
| GOGlenn O Hawbaker Mill Hall Asphalt Plt | Mill Hall | PA | — | ◇ UNVERIFIED |
| GOGlenn O Hawbaker Pleasant Gap Shop | Bellefonte | PA | — | ◇ UNVERIFIED |
| GOGlenn O Hawbaker Plt 24 & 38 Greens Landing Fac | Milan | PA | — | ◇ UNVERIFIED |
| GRGlenwood Ready Mix,inc | Glenwood | AR | — | ◇ UNVERIFIED |
| GCGlover Const Co/asphalt Plt Ap 7 | Muskogee | OK | — | ◇ UNVERIFIED |
| GCGodwin Concrete Company N Hanover | Wilmington | NC | — | ◇ UNVERIFIED |
| GCGolden Concrete CO | Superior | CO | — | ◇ UNVERIFIED |
| GCGolden Concrete Lllp (telesmith Cone) | Longmont Area | CO | — | ◇ UNVERIFIED |
| GCGolden Concrete Lllp (vince Hagan Cbp) | Littleton | CO | — | ◇ UNVERIFIED |
| GTGolden Triangle Construction Co., Inc., Mt. Storm | Mount Storm | WV | — | ◇ UNVERIFIED |
| GHGood Hope Construction CO INC | Remlap | AL | — | ◇ UNVERIFIED |
| GHGood Hope Contracting CORP INC | Attalla | AL | — | ◇ UNVERIFIED |
| GIGood Iv - Tklc, INC. Dba Wwg Asphalt | Rockledge | FL | — | ◇ UNVERIFIED |
| GSGorham Sand & Gravel Pike Industries INC | Gorham | NH | — | ◇ UNVERIFIED |
| GSGosney & Sons INC | Bayfield | CO | — | ◇ UNVERIFIED |
| GCGot Concrete - Spring Hill Facility | Spring Hill | FL | — | ◇ UNVERIFIED |
| GAGrace Asphalt Div of Grace Industries | Corona | NY | — | ◇ UNVERIFIED |
| GBGraffius Burial Vault Mfg Plt | Sinking Spring | PA | — | ◇ UNVERIFIED |
| GRGrand River Construction Company | Glenwood Springs | CO | — | ◇ UNVERIFIED |
| GBGrandview Block&supply CO | Schenectady | NY | — | ◇ UNVERIFIED |
| GAGranger Asphalt Paving, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| GMGranger Materials, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| GCGranite City Ready-mix - Nonmetallic | Saint Cloud | MN | — | ◇ UNVERIFIED |
| GCGranite Construction CO | Tracy | CA | — | ◇ UNVERIFIED |
| GCGranite Construction CO | Gypusm 1.5 Mi E | CO | — | ◇ UNVERIFIED |
| GCGranite Construction Company | Lakeport | CA | — | ◇ UNVERIFIED |
| GCGranite Construction Company Omak | Okanogan | WA | — | ◇ UNVERIFIED |
| GCGranite Construction Ventura Plant | Santa Paula | CA | — | ◇ UNVERIFIED |
| GCGranite Contracting LLC Florence Plant | Latta | SC | — | ◇ UNVERIFIED |
| GRGranite Rock Company Salinas Concrete | Salinas | CA | — | ◇ UNVERIFIED |
| GSGranite State Concrete INC - Milford | Milford | NH | — | ◇ UNVERIFIED |
| GBGrannas Bros Stone & Asphalt Co/hollidaysburg Plt | Hollidaysburg | PA | — | ◇ UNVERIFIED |
| GCGravel & Concrete, INC. | Nickerson | KS | — | ◇ UNVERIFIED |
| GCGraves Concrete | East Templeton | MA | — | ◇ UNVERIFIED |
| GPGrays Paving & Asphalt Plant INC | Coventry | VT | — | ◇ UNVERIFIED |
| GBGreat Bend Redi-mix | Great Bend | KS | — | ◇ UNVERIFIED |
| GLGreat Lakes an Oldcastle Company | Sheffield | OH | — | ◇ UNVERIFIED |
 Great Lakes Concrete Products LLC | Hamburg | NY | — | ◇ UNVERIFIED |
| GLGreat Lakes Minerals LLC | Wurtland | KY | — | ◇ UNVERIFIED |
| GRGreat River Ready Mix | Hamilton | IL | — | ◇ UNVERIFIED |
| GAGreeley Asphalt Plant | Greeley | CO | — | ◇ UNVERIFIED |
| GEGreeley Excavation | Greeley | CO | — | ◇ UNVERIFIED |
| GAGreen and White Rock Products | Corvallis | OR | — | ◇ UNVERIFIED |
| GBGreen Bay Ready Mix Plant | Davenport | FL | — | ◇ UNVERIFIED |
| GEGreenbrier Excavating & Paving, Inc., Ronceverte | Lewisburg | WV | — | ◇ UNVERIFIED |
| GRGreenbrier Ready Mix, INC | Greenbrier | AR | — | ◇ UNVERIFIED |
