| GNGlacier Northwest INC Front Ave Ready-mix Plant | Portland | OR | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Hillsboro Ready-mix Plant | Hillsboro | OR | — | ◇ UNVERIFIED |
| GRGlasscock Ready Mix Concrete LLC - Divine St Cemco | Sumter | SC | — | ◇ UNVERIFIED |
| GBGlendale Batch Plant #7 | Glendale | AZ | — | ◇ UNVERIFIED |
| GGGlen Gery CORP Landmark Stone Products LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| GRGlenwood Ready Mix,inc | Glenwood | AR | — | ◇ 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 |
| GSGosney & Sons INC | Bayfield | CO | — | ◇ UNVERIFIED |
| GCGot Concrete - Spring Hill Facility | Spring Hill | FL | — | ◇ UNVERIFIED |
| GBGrandview Block&supply CO | Schenectady | NY | — | ◇ UNVERIFIED |
| GCGranite City Ready-mix - Nonmetallic | Saint Cloud | MN | — | ◇ UNVERIFIED |
| GRGranite Rock Company Salinas Concrete | Salinas | CA | — | ◇ UNVERIFIED |
| GSGranite State Concrete INC - Milford | Milford | NH | — | ◇ UNVERIFIED |
| GCGravel & Concrete, INC. | Nickerson | KS | — | ◇ UNVERIFIED |
| GCGraves Concrete | East Templeton | MA | — | ◇ 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 |
| GAGreen and White Rock Products | Corvallis | OR | — | ◇ UNVERIFIED |
| GBGreen Bay Ready Mix Plant | Davenport | FL | — | ◇ UNVERIFIED |
| GRGreenbrier Ready Mix, INC | Greenbrier | AR | — | ◇ UNVERIFIED |
| GBGreen Brothers INC. | Fort Morgan | CO | — | ◇ UNVERIFIED |
| GGreenleaf | Kansas City | MO | — | ◇ UNVERIFIED |
| GRGreen Ready Mix-chillicothe Plant | Chillicothe | MO | — | ◇ UNVERIFIED |
| GSGreen Swamp Cbp | Davenport | FL | — | ◇ UNVERIFIED |
| GCGrinnell Concrete Pavingstones, INC. | Sparta | NJ | — | ◇ UNVERIFIED |
| GRGroesbeck Ready Mix | Groesbeck | TX | — | ◇ UNVERIFIED |
| GCGrundy CO Redi-mix | Plano | IL | — | ◇ UNVERIFIED |
| GSGulf States Ready Mix, Moss Point Plant | Moss Point | MS | — | ◇ UNVERIFIED |
| GSGulf States Ready-mix Plant 25 | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| G5Gunter 5 Cbp | Gunter | TX | — | ◇ UNVERIFIED |
| GCGunter Cbp | Gunter | TX | — | ◇ UNVERIFIED |
| GCGunter Cbp 1 | Gunter | TX | — | ◇ UNVERIFIED |
| GHGuy Hommel Jr. Dba Hommel Concrete Company | Newport | TN | — | ◇ UNVERIFIED |
| HIHagen Industries | Commerce City | CO | — | ◇ UNVERIFIED |
| HRHahn Ready Mix CO | Aledo | IL | — | ◇ UNVERIFIED |
| HCHaley Construction INC | Moosehead Junction Twp. | ME | — | ◇ UNVERIFIED |
| HBHamby Brothers Concrete, INC. | Lenoir | NC | — | ◇ UNVERIFIED |
| HCHamilton County Concrete INC | Mcleansboro | IL | — | ◇ UNVERIFIED |
| HRHamilton Ready Mix | Jefferson | IA | — | ◇ UNVERIFIED |
| HAHanson Aggregates | Florence | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC | Litchfield Park | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC | Laveen | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC. | Mesa | AZ | — | ◇ UNVERIFIED |
