| — | General Drilling Div Of Tri Ge | CY68 | Mine contractor | — |
| — | General Equipment & Supplies Inc | CC421 | Mine contractor | — |
| — | General Insulation Inc | C8AA | Mine contractor | — |
| — | General Security Services Corp | C6UT | Mine contractor | — |
| — | Genesis Rail Services, Inc. | CA6364 | Mine contractor | — |
| — | Genesis Welding Services | CC1734 | Mine contractor | — |
| — | Genuine Parts Company - NAPA Auto Parts | CC8223 | Mine contractor | — |
| — | GENX Mining Contractors LLC | CC5255 | Mine contractor | — |
| — | Geo Stabilization International | CX133 | Mine contractor | — |
| — | Geo-Instruments, Inc. | CC8032 | Mine contractor | — |
| — | Geo-Logic Associates | CQ578 | Mine contractor | — |
| — | Geo-Rock, Inc. | CB3612 | Mine contractor | — |
| — | Geo-Technology Associates | CC8375 | Mine contractor | — |
| — | Geochemical Testing | CJ9G | Mine contractor | — |
| — | Geocycle, LLC | CF055 | Mine contractor | — |
| — | Geomechanics Southwest, Inc. | CU250 | Mine contractor | — |
| — | George A. Kint, Inc. | CU517 | Mine contractor | — |
| — | George Delong Construction Inc | CMJU | Mine contractor | — |
| — | George J Hayden Inc DBA Hayden Power Group | CQBJ | Mine contractor | — |
| — | George J Igel & Co Inc | CZUV | Mine contractor | — |
| — | George Leib Well Drilling & Pl | CTFF | Mine contractor | — |
| — | George Reed, Inc | CJ805 | Mine contractor | — |
| — | GeoScan Seismic Services,Inc. | CS926 | Mine contractor | — |
| — | Geosonics Inc. | CF361 | Mine contractor | — |
| — | GEOSYSTEMS ANALYSIS, INC. | CA6209 | Mine contractor | — |
| — | GeoTech Engineering, Inc. | CB0436 | Mine contractor | — |
| — | Gerald Fields Trucking Company Inc | CNDU | Mine contractor | — |
| — | Gerhart Systems & Controls | C8CD | Mine contractor | — |
| — | Gerke Excavating, Inc. | CA3034 | Mine contractor | — |
| — | Gerken Materials Inc | C7DL | Mine contractor | — |
| — | GESCO, LLC | CA7032 | Mine contractor | — |
| — | Gettis Land Management, LLC | CC0423 | Mine contractor | — |
| — | Gettle Inc | CSNP | Mine contractor | — |
| — | Getz Fire Equipment Company | CB756 | Mine contractor | — |
| — | GFL Environmental Services USA | CH696 | Mine contractor | — |
| — | GFT Infrastructure, Inc. | CYYW | Mine contractor | — |
| — | GH Phipps Wyoming LLC | CC9662 | Mine contractor | — |
| — | GHD Services Inc | CC772 | Mine contractor | — |
| — | GI Welding & Fabrication, LLC | CA9044 | Mine contractor | — |
| — | GibsonIndustrialInc | CP333 | Mine contractor | — |
| — | Gila Geological Consultants | CP962 | Mine contractor | — |
| — | Gilbert Development Corp. | CS3D | Mine contractor | — |
| — | Gilbert Electric Co - A Cannon & Wendt Company | CEKI | Mine contractor | — |
| — | Gilberton Power Co. | CMTZ | Mine contractor | — |
| — | Gill Drilling Services Inc | CZ0E | Mine contractor | — |
| — | Gill Rock Drill Company Inc | CH6C | Mine contractor | — |
| — | Gill-Mar | CA4111 | Mine contractor | — |
| — | Gillco, Inc. | CA0687 | Mine contractor | — |
| — | Gillespie Excavating Company, L.L.C. | CA9637 | Mine contractor | — |
| — | Gillmann Services, Inc. | CX142 | Mine contractor | — |
| — | Gills Site Solutions LLC | CC8782 | Mine contractor | — |
| — | Gilmour & Company | CWEV | Mine contractor | — |
| — | Gingerich Well & Pump Service LLC | CA4935 | Mine contractor | — |
| — | Girardeau Stevedores | CZ245 | Mine contractor | — |
| — | GIS Construction LLC | CY455 | Mine contractor | — |
| — | Gish Electric LLC | CU807 | Mine contractor | — |
| — | GKD USA, INC | CD0312 | Mine contractor | — |
| — | Glacial Sand & Gravel | CB5775 | Mine contractor | — |
| — | Glass Doctor | CB2487 | Mine contractor | — |
| — | Glass Doctor of Kingman | CB4642 | Mine contractor | — |
| — | Glenn Machine Works Inc | CA283 | Mine contractor | — |
| — | Global Contracting Group | CA0217 | Mine contractor | — |
| — | Global Maintenance, LLC | CA8182 | Mine contractor | — |
| — | Global Scaffolding & Insulation LLC | CA9546 | Mine contractor | — |
| — | Gloval Welding | CC8258 | Mine contractor | — |
| — | Gman Trucking LLC | CC6921 | Mine contractor | — |
| — | GMiller Industrial Repair | CB6758 | Mine contractor | — |
| — | GMS Construction LLC | CC7749 | Mine contractor | — |
| — | GMS Mine Repair | CMVK | Mine contractor | — |
| — | GMS Welding, INC. | CA8326 | Mine contractor | — |
| — | GNO Services | CC8307 | Mine contractor | — |
| — | GO-KO, Inc. | CP763 | Mine contractor | — |
| — | Godsey Trucking | CV554 | Mine contractor | — |
| — | Goff & Plant Solution LLC | CC3334 | Mine contractor | — |
| — | Goff Industrial Electric, Inc. | CA5385 | Mine contractor | — |
| — | GOHEEN ELECTRIC LLC | CY296 | Mine contractor | — |
| — | Goins Crane Service | CB5090 | Mine contractor | — |
| — | Golden State Pozzolan, LLC | CC4689 | Mine contractor | — |
| — | Goldsmith Construction Company Inc | CC5081 | Mine contractor | — |
| — | Golf Agronomics | CZZY | Mine contractor | — |
| — | Gontis Welding and Fabrication | CB7914 | Mine contractor | — |
| — | Gonzalez Construction Inc | CA4375 | Mine contractor | — |
| — | Good Tire Service Inc | CZ57 | Mine contractor | — |
| — | Goodfellow Corporation | CF384 | Mine contractor | — |
| — | Goodgame Welding Co Inc | CA419 | Mine contractor | — |
| — | Goodwin Bros. Construction, Inc. | CQ2S | Mine contractor | — |
| — | Goodwin Brothers Construction Company | CQ377 | Mine contractor | — |
| — | Goolsby Excavation & Trkg | CUET | Mine contractor | — |
| — | Gordon T. Burke & Sons, Inc. | CB9553 | Mine contractor | — |
| — | Gordy Sidetrack Company Inc | CA398 | Mine contractor | — |
| — | Gorick Construction Co., Inc. | CB6439 | Mine contractor | — |
| — | Goshen LLC | CC8402 | Mine contractor | — |
| — | Gosling Czuback Eng Sci Inc | CQTK | Mine contractor | — |
| — | gotwals equipment repair llc | CA2749 | Mine contractor | — |
| — | GP Fabrication, Inc. | CA2443 | Mine contractor | — |
| — | GPM Inc. | CL833 | Mine contractor | — |
| — | GR Engineering Services Inc | CW956 | Mine contractor | — |
| — | Grabner Blasting & Consulting, Inc | CL834 | Mine contractor | — |
| — | Grace Consulting, Inc. | CB4248 | Mine contractor | — |
| — | Grace Railroad Contractors | CA7058 | Mine contractor | — |
| — | Gradall Industries, Inc. | CC0222 | Mine contractor | — |
| — | Grade Pro LLC | CD0197 | Mine contractor | — |
| — | Gradex, Inc | CY148 | Mine contractor | — |
| — | Grady Enterprises Inc. | CB6538 | Mine contractor | — |
| — | Grady Excavating, Inc. | CA5321 | Mine contractor | — |
| — | Graft Electric Inc | C7UQ | Mine contractor | — |
| — | Grahams Welding | CC6693 | Mine contractor | — |
| — | GRAINCO FS, INC | CA0710 | Mine contractor | — |
| — | Granbury Excavating Inc. | CC4037 | Mine contractor | — |
| — | Grand Canyon Shooters LLC | CC1348 | Mine contractor | — |
| — | Grand Davo Crane Service Inc. | CA2519 | Mine contractor | — |
| — | Granite Construction Co | CN50 | Mine contractor | — |
| — | Grass Groomers | C1GZ | Mine contractor | — |
| — | Grass Roots Lawn & Landscaping, Inc. | CB9113 | Mine contractor | — |
| — | Grasschoppers Landscaping | CB4142 | Mine contractor | — |
| — | Grassy Creek Construction | C9YT | Mine contractor | — |
| — | Gray & Son, Inc. | CR135 | Mine contractor | — |
| — | Grayco Electrical Inc. | CC0585 | Mine contractor | — |
| — | Grayline Solutions, LLC | CC6815 | Mine contractor | — |
| — | GrayMar Environmental Services Inc | CB9440 | Mine contractor | — |
| — | Great Basin Industrial | CV950 | Mine contractor | — |
| — | Great Lakes Equipment RPR LLC | CA2263 | Mine contractor | — |
| — | Great Lakes Rail Service Inc. | CS700 | Mine contractor | — |
| — | Great Outdoors Services LLC | CQ910 | Mine contractor | — |
| — | Great Salt Lake Electricinc | CP9M | Mine contractor | — |
| — | Great Southern Equipment | CA2603 | Mine contractor | — |
| — | Green Acres Farm & Construct | CA099 | Mine contractor | — |
| — | Green America Recycling, LLC | CB5808 | Mine contractor | — |
| — | Green Construction & Development | CC9085 | Mine contractor | — |
| — | Green Electric Inc | CB6933 | Mine contractor | — |
| — | Green Mountain Enterprises, Inc. | CW324 | Mine contractor | — |
| — | Green Orange Construction Professionals, LLC | CB8394 | Mine contractor | — |
| — | Green Ridge Reclamation LLC | CA6163 | Mine contractor | — |
| — | Green Stone Company | CC2590 | Mine contractor | — |
| — | Green Teamm LLC | CC4710 | Mine contractor | — |
| — | Green Thumb, L.L.C. | CA9083 | Mine contractor | — |
| — | GREEN WRENCH HEAVY EQUIPMENT | CC9526 | Mine contractor | — |
| — | Green-Tanner Industrial Construction, LLC | CB1262 | Mine contractor | — |
| — | Greene's Water Wells, Inc | CA6136 | Mine contractor | — |
| — | Greenfield Dynamics, LLC | CC9812 | Mine contractor | — |
| — | Greenleaf Trucking Inc. | CX664 | Mine contractor | — |
| — | Greenville Manufacture Work | CC3880 | Mine contractor | — |
| — | Greenville Metal Works | CC6751 | Mine contractor | — |
| — | Greenville Scale Co., Inc. | CQ283 | Mine contractor | — |
| — | Greg Shuey Backhoe and Dumptrucking | CB3839 | Mine contractor | — |
| — | Gregg Harris Trucking, Inc. | CD0104 | Mine contractor | — |
| — | Gregory Construction Inc | CY5U | Mine contractor | — |
| — | Gregory Pool Equipment Co | CM4S | Mine contractor | — |
| — | Gregory Water Systems | CB4079 | Mine contractor | — |
| — | Greiner Industries Inc | CL7W | Mine contractor | — |
| — | Grey Rock Inc | CC3336 | Mine contractor | — |
| — | Greystone Construction | CB9487 | Mine contractor | — |
| — | Gribbins Insulation Co | CZXA | Mine contractor | — |
| — | Griffeth & Son Trucking Inc | CKBS | Mine contractor | — |
| — | Griffin Custom Computers & Network Inc | CC4375 | Mine contractor | — |
| — | Griffith Excavation | CA1187 | Mine contractor | — |
| — | Grimsley Automation LLC | CC2995 | Mine contractor | — |
| — | Grimsley Electric Inc. | CX842 | Mine contractor | — |
| — | Grizzly Industrial Services LLC | CC7546 | Mine contractor | — |
| — | Gronlund Development LLC dba Sonoita Septic | CC1848 | Mine contractor | — |
| — | Gross Electric | CXPY | Mine contractor | — |
| — | Ground Level Inc. | CP853 | Mine contractor | — |
| — | GroundProbe NA LLC | CQ826 | Mine contractor | — |
| — | Group Steel Erectors Inc | CC8039 | Mine contractor | — |
| — | Gruene Environmental Services LLC | CW736 | Mine contractor | — |
| — | GSI Environmental Inc. | CC6412 | Mine contractor | — |
| — | Gsm Industrial Inc | C4FF | Mine contractor | — |
| — | GT&E, LLC | CC6335 | Mine contractor | — |
| — | GTG Solutions, Inc. | CC6248 | Mine contractor | — |
| — | Guardian Excavating LLC | CC7913 | Mine contractor | — |
| — | Guardian Fueling Technologies | CM131 | Mine contractor | — |
| — | Guardvant Inc. | CA3138 | Mine contractor | — |
| — | Gulf Coast Limestone Inc. | CK052 | Mine contractor | — |
| — | Gulf Coast Utility Contractors | CB7094 | Mine contractor | — |
| — | Gulf South Electric and Solar LLC | CA0129 | Mine contractor | — |
| — | Gulrich welding services | CC5844 | Mine contractor | — |
| — | Gunnar Electric, LLC | CC7386 | Mine contractor | — |
| — | Gus Mechanical Force LLC | CC7451 | Mine contractor | — |
| — | Gust Electric | CVYI | Mine contractor | — |
| — | Guy M. Turner, Inc. | CD186 | Mine contractor | — |
| — | Guy Nielson Co Industrial Div | CD8C | Mine contractor | — |
| — | Guy Tabacco Construction | CB2739 | Mine contractor | — |
| — | Guyan Service Co Inc | CF59 | Mine contractor | — |
| — | GWS Contractors Inc. | CJ976 | Mine contractor | — |
| — | Gypsy Life LLC | CC5846 | Mine contractor | — |
| — | H & E Electric Inc | CB7334 | Mine contractor | — |
| — | H & E Equipment Service, Inc | CA171 | Mine contractor | — |
| — | H & G Electric Co, Inc. | CA4576 | Mine contractor | — |
| — | H & H Custom Drilling & Blasting, Inc. | CB717 | Mine contractor | — |
| — | H & H Electric Inc | CEZX | Mine contractor | — |
| — | H & H General Excavating | CB3445 | Mine contractor | — |
| — | H & K Materials Div Haines Ki | CW6F | Mine contractor | — |
| — | H & L Partners, Inc. | CBR5 | Mine contractor | — |
| — | H & M Construction CO, LLC | CA0128 | Mine contractor | — |
| — | H & M Heavy Equipment Repair Inc. | CX978 | Mine contractor | — |
| — | H & M Industrial Services, Inc. | CQ539 | Mine contractor | — |
| — | H & M Lawn & Tree Service | CK307 | Mine contractor | — |
| — | H & S Excavating and Trucking | CB3180 | Mine contractor | — |
| — | H A Siler Trucking, LLC | C5WP | Mine contractor | — |
| — | H E Fox Inc | CXTY | Mine contractor | — |
| — | H E Wright & Co Inc | CXR4 | Mine contractor | — |
| — | H H Omps Inc | C4EB | Mine contractor | — |
| — | H Hansen Industries | CJIP | Mine contractor | — |
| — | H James & Sons Inc | CHRN | Mine contractor | — |
| — | H L Delk Construction | CJGS | Mine contractor | — |
| — | H O Penn Machinery Co Inc | CIA8 | Mine contractor | — |
| — | H R F Transport Inc | C9ZR | Mine contractor | — |
| — | H S Services | C3ND | Mine contractor | — |
| — | H T H Companies Inc | C7HI | Mine contractor | — |
| — | H&G EXPLOSIVES LLC | CC1941 | Mine contractor | — |
| — | H&H Aggregates LLC. | CC5426 | Mine contractor | — |
| — | H&K ELECTRIC,INC. | CY357 | Mine contractor | — |
| — | H&K Equipment | CB5449 | Mine contractor | — |
| — | H&L Services LLC | CB8719 | Mine contractor | — |
| — | H&M Tire service | CD0097 | Mine contractor | — |
| — | H&R industrial contractors Inc. | CJ383 | Mine contractor | — |
| — | H&S Field Services Inc. | CM808 | Mine contractor | — |
| — | H&S Welding and Fabrication | CA480 | Mine contractor | — |
| — | H&W Construction Co Inc | CS252 | Mine contractor | — |
| — | H-T-L Perma Usa | C3JH | Mine contractor | — |
| — | H. Fisher & Associates | CJ612 | Mine contractor | — |
| — | H.T. CONSTRUCTION INC | CZ125 | Mine contractor | — |
| — | Haas Welding & Fabrication, LLC | CB6640 | Mine contractor | — |
| — | Habitat Management | CP614 | Mine contractor | — |
| — | Hagler Systems, Inc. | CA9821 | Mine contractor | — |
| — | Haile Dirt Contruction, Inc. | CJ903 | Mine contractor | — |
| — | Haines & Kibblehouse Inc | CA623 | Mine contractor | — |
| — | Haines Paving and Landscaping, Inc. | CY259 | Mine contractor | — |
| — | Hale Supply Co dba Bennett Explosives | CW3I | Mine contractor | — |
| — | Haley & Aldrich | CA6110 | Mine contractor | — |
| — | Hall-Irwin Corporation | CPCB | Mine contractor | — |
| — | Hall-Rite Trucking | CB3728 | Mine contractor | — |
| — | Halm Electrical Contracting, Inc. | CSN9 | Mine contractor | — |
| — | Halstead Janitorial | CA3300 | Mine contractor | — |
| — | Halyard Corporation | CC6536 | Mine contractor | — |
| — | Hammaker East, LTD | CB8840 | Mine contractor | — |
| — | Hammett Electric Company, Inc. | CA3691 | Mine contractor | — |
| — | HAMMETT EXCAVATION | CC3913 | Mine contractor | — |
| — | Hammill Construction Company., Inc. | CU389 | Mine contractor | — |
| — | Hampel Oil Inc. | CQ871 | Mine contractor | — |
| — | Hample Oil | CB0056 | Mine contractor | — |
| — | Hampshire Machine & Industrial Services, Inc. | CX310 | Mine contractor | — |
| — | Hampton Tedder Electric | CL150 | Mine contractor | — |
| — | Hancon Mining USA | CC8481 | Mine contractor | — |
| — | Handwerk Contractors | CNWJ | Mine contractor | — |
| — | Hanna Contracting. Inc. | CN615 | Mine contractor | — |
| — | Hannah Lumber Company | CA4552 | Mine contractor | — |
| — | Hannibal Crane Service | CA8156 | Mine contractor | — |
| — | Hanson Aggregates Midwest Inc | CUUD | Mine contractor | — |
| — | Hanson Material Service | CB4639 | Mine contractor | — |
| — | hanson's general repair | CB2699 | Mine contractor | — |
| — | Haralson Tire Company | C8SB | Mine contractor | — |
| — | Harbor Services Co | CA5066 | Mine contractor | — |
| — | Hard Rock Services, LLC. | CB2542 | Mine contractor | — |
| — | Hard Rok Equipment Inc. | CF255 | Mine contractor | — |
| — | HardAss Welding | CA9654 | Mine contractor | — |
| — | HARDESTY CONSTRUCTION CORPORATION | CE735 | Mine contractor | — |
| — | Harding & Daughters Inc | C8GC | Mine contractor | — |
| — | Hardrock Drilling LLC | CB5043 | Mine contractor | — |
| — | Hardrock Equipment Repair LLC | CC5667 | Mine contractor | — |
| — | Hardrock Explosives Co. | CP665 | Mine contractor | — |
| — | Hare Trucking LLC | CB5110 | Mine contractor | — |
| — | Hargrove and Associates INC | CJ686 | Mine contractor | — |
| — | Haringa Compressor Inc. | CC4142 | Mine contractor | — |
| — | Harlan Construction Company, Inc. | CH147 | Mine contractor | — |
| — | Harmac Inc | CEVX | Mine contractor | — |
| — | Harold G Butzer, Inc. | C5ER | Mine contractor | — |
| — | Harold's Excavating Services, LLC | CA9796 | Mine contractor | — |
| — | Harrell-Fish, Inc. | CA6958 | Mine contractor | — |
| — | Harri Plumbing & Heating, Inc. | CY203 | Mine contractor | — |
| — | Harris Companies Inc | CW223 | Mine contractor | — |
| — | Harris Drilling Companies | CX4P | Mine contractor | — |
| — | Harrison Construction | CBIQ | Mine contractor | — |
| — | Harrison Western Construction Corp | CJ35 | Mine contractor | — |
| — | Harshman Construction L.L.C. | CA1372 | Mine contractor | — |
| — | Hart Contractors of Texas, LLC | CC3441 | Mine contractor | — |
| — | Harvey Preston Electric Co, Inc. | CZ494 | Mine contractor | — |
| — | Harvey Trucking Inc (HTI) | CT899 | Mine contractor | — |
| — | Hatch Associates Consultants I | CB062 | Mine contractor | — |
| — | Hatch Electric | CC8698 | Mine contractor | — |
| — | Hatfield Ready Mix, Inc. | CA4194 | Mine contractor | — |
| — | Hathaway Fuel And Lube LLC | CD0469 | Mine contractor | — |
| — | Haufz Bros. Inc. | CB4023 | Mine contractor | — |
| — | Haupt Construction Company | CMYG | Mine contractor | — |
| — | Hauser Diesel Repair LLC | CC4817 | Mine contractor | — |
| — | Hawkins Bailey Warehouse Inc. | CE990 | Mine contractor | — |
| — | Hawkins Welding | CC9907 | Mine contractor | — |
| — | Hawthorne Machinery Co | CA353 | Mine contractor | — |
| — | Hawthorne Pacific Corp | CC029 | Mine contractor | — |
| — | Hayden Machinery, Inc | CC2096 | Mine contractor | — |
| — | Hayden Security Solutions LLC | CD0326 | Mine contractor | — |
| — | Haz-Tech Drilling Inc | CSQU | Mine contractor | — |
| — | Hazard Hunters Training | CC9021 | Mine contractor | — |
| — | HAZEMAG USA INC. | CE580 | Mine contractor | — |
| — | Hazleton Site Contractors | CS615 | Mine contractor | — |
| — | HazMat Services Inc. | CA8978 | Mine contractor | — |
| — | HD Drilling LLC | CA5422 | Mine contractor | — |
| — | HD Mining LLC | CC8789 | Mine contractor | — |
| — | HE Neumann Co | CZ20 | Mine contractor | — |
| — | HE Services Inc. | CC2561 | Mine contractor | — |