Independent contractors working at U.S. mines — page 16 of 20
5,917 contractors that reported employment at mine sites in their latest quarterly report. The MSHA file gives no address for contractors.
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| Place | Mine | Mine ID | Industry group | Status since |
|---|---|---|---|---|
| — | Renfrow Brothers Inc. | CW368 | Mine contractor | — |
| — | Reno Rock Transport Inc | CA6837 | Mine contractor | — |
| — | Renteria Construction | CC9701 | Mine contractor | — |
| — | Repairtech Industrial Contractors | CA8399 | Mine contractor | — |
| — | Republic Drill Co. | CC2805 | Mine contractor | — |
| — | Rescar Companies | CAM1 | Mine contractor | — |
| — | Resolution, LLC | CC8543 | Mine contractor | — |
| — | Resource Environmental Management | CC9822 | Mine contractor | — |
| — | Resource Processing Group | CC4106 | Mine contractor | — |
| — | Restoration Group Incorporated | CA9562 | Mine contractor | — |
| — | Reuter Equipment & Fabrication | CC351 | Mine contractor | — |
| — | Rev Industrial, LLC | CC4991 | Mine contractor | — |
| — | Revere Electric | CB7999 | Mine contractor | — |
| — | ReVolt Electrical Services, Inc. | CC6517 | Mine contractor | — |
| — | Rexnord Industrial Services | CA4155 | Mine contractor | — |
| — | Reynolds Piping Service Inc | CCXQ | Mine contractor | — |
| — | Reynolds Service Tech, Inc. | CA0413 | Mine contractor | — |
| — | Reynolds Trucking | CN333 | Mine contractor | — |
| — | RG Industries, Inc. | CB4021 | Mine contractor | — |
| — | RGC Hydro Services LLC | CC8737 | Mine contractor | — |
| — | RGI Strike Force | CC2406 | Mine contractor | — |
| — | RGW Construction | CJ525 | Mine contractor | — |
| — | Rhinehart Railroad Construction, Inc. | CA2720 | Mine contractor | — |
| — | Rhino Industries, Inc. | CB5869 | Mine contractor | — |
| — | Rhodes Crane & Rigging, Inc. | CM507 | Mine contractor | — |
| — | RIC, Inc. | CG588 | Mine contractor | — |
| — | Rice Lake Electric Inc | C8NT | Mine contractor | — |
| — | Rich Chesnet | CC3490 | Mine contractor | — |
| — | Richard C Gauthier Drilling & | C4MN | Mine contractor | — |
| — | Richard D. Howes d/b/a In a Flash Welding | CA7150 | Mine contractor | — |
| — | Richard Drake Construction Company LP | CF693 | Mine contractor | — |
| — | Richard Simmons Drilling Co | CZ1H | Mine contractor | — |
| — | Richards Farms | CB3101 | Mine contractor | — |
| — | Richardson Construction Inc | C6AM | Mine contractor | — |
| — | Richco Investments D/B/A Richardson Tire LLC | CB3984 | Mine contractor | — |
| — | Richmond Scale, Inc. | CB8889 | Mine contractor | — |
| — | Richmond Supply Company/Rubber Div | C1UL | Mine contractor | — |
| — | Richter Construction Services LLC | CC2636 | Mine contractor | — |
| — | Rick'S Welding & Crane | CULE | Mine contractor | — |
| — | Ricky Hollingsworth Excav Inc | C7KV | Mine contractor | — |
| — | Rico Elevator | CB5971 | Mine contractor | — |
| — | Ridge Runner Machinery, Inc | CC0784 | Mine contractor | — |
| — | Ridgeline Consulting LLC | CB3888 | Mine contractor | — |
| — | Ridgeline Fire Protection | CC9373 | Mine contractor | — |
| — | Ridgeline Industries | CC3725 | Mine contractor | — |
| — | Ridgeline Serevices, LLC | CC4811 | Mine contractor | — |
| — | Rifenburg Construction Inc | CAQE | Mine contractor | — |
| — | Rigby Plumbing & Heating LLC | CC7394 | Mine contractor | — |
| — | Riley Associates, LLC | CF421 | Mine contractor | — |
| — | Riley Corp | CWU1 | Mine contractor | — |
| — | Riley Tool & Machine, Inc. | CB5238 | Mine contractor | — |
| — | Riley Welding & Fabricating | CH433 | Mine contractor | — |
| — | Riley's Excavating | CB6637 | Mine contractor | — |
| — | RIMMCO LLC | CB5287 | Mine contractor | — |
| — | Rimpull Corp | CDD4 | Mine contractor | — |
| — | Ring Power Corp | CFY5 | Mine contractor | — |
| — | Ringhaver Equipment Co | CA342 | Mine contractor | — |
| — | Rio Tinto Projects - Resolution | CB5379 | Mine contractor | — |
| — | RIPA CONSTRUCTION | CC2151 | Mine contractor | — |
| — | Rippel Construction Inc. | CZ260 | Mine contractor | — |
| — | Ritchie Trucking & Excavating | C5BY | Mine contractor | — |
| — | Ritter Excavating | CB5114 | Mine contractor | — |
| — | Rival Design Build, LLC | CC7371 | Mine contractor | — |
| — | RIVER ROCK SAND AND GRAVEL | CC7452 | Mine contractor | — |
| — | River Rose LLC | CX998 | Mine contractor | — |
| — | River Sand, Inc. | CB7687 | Mine contractor | — |
| — | Riverside Landscaping Inc. | CM609 | Mine contractor | — |
| — | Riverview Construction Inc | C1KH | Mine contractor | — |
| — | rkfabrite | CC6190 | Mine contractor | — |
| — | RMC Mechanical Contractors LLC | CC1748 | Mine contractor | — |
| — | RMC Repair | CB1264 | Mine contractor | — |
| — | RMCS , LLC | CC1779 | Mine contractor | — |
| — | RMF Nooter Inc. | CT290 | Mine contractor | — |
| — | RMS Cranes, LLC. | CS620 | Mine contractor | — |
| — | RMS Instument & Electric, LLC | CA3170 | Mine contractor | — |
| — | Road Machinery & Supplies Co | CCP1 | Mine contractor | — |
| — | Roadbuilders Machinary & Supply Co Inc | CH420 | Mine contractor | — |
| — | Roadbuilders, Inc. | CA4076 | Mine contractor | — |
| — | Robert Chiles Engineering | CW578 | Mine contractor | — |
| — | robert collins company | CC1231 | Mine contractor | — |
| — | Robert E. Mason & Associates, Inc. | CB4627 | Mine contractor | — |
| — | Robert Riddle Construction Co | CD653 | Mine contractor | — |
| — | Robert Rocker | CA3754 | Mine contractor | — |
| — | Roberts Company | CF7C | Mine contractor | — |
| — | Robertson Excavation Service | CC3035 | Mine contractor | — |
| — | Robertson Trucking Inc | CYQI | Mine contractor | — |
| — | Robindale Energy Services, Inc | CW349 | Mine contractor | — |
| — | Robinette Welding & Repair Inc. | CK364 | Mine contractor | — |
| — | Robinson Construction | CA431 | Mine contractor | — |
| — | Robinson Fans Service & Equipm | CVKF | Mine contractor | — |
| — | Robinson Pipe Cleaning Company | CD71 | Mine contractor | — |
| — | Robinson Transport Inc | CQ40 | Mine contractor | — |
| — | Robison Engineering Company, Inc | CA4275 | Mine contractor | — |
| — | Rock and Recycling Equipment Inc | CC3928 | Mine contractor | — |
| — | Rock Creek Welding Inc. | CB6167 | Mine contractor | — |
| — | Rock Drilling Inc. | CDSW | Mine contractor | — |
| — | Rock Engineered Machinery Co., Inc. DBA: REMco | CX968 | Mine contractor | — |
| — | Rock On Geos | CB4556 | Mine contractor | — |
| — | Rock Road Companies, Inc. | CB7463 | Mine contractor | — |
| — | Rock Services | CC2909 | Mine contractor | — |
| — | Rock Star Stone Inc. | CB6361 | Mine contractor | — |
| — | Rockhead Consulting LLC | CB6235 | Mine contractor | — |
| — | Rocking P Blasting, Inc | CA4545 | Mine contractor | — |
| — | Rocksmith Geoengineering, LLC | CC5383 | Mine contractor | — |
| — | Rockwater Drilling Company | CCFM | Mine contractor | — |
| — | Rockwell Automation, Inc. | CB819 | Mine contractor | — |
| — | Rockwell Industrial & Mining | CY626 | Mine contractor | — |
| — | Rocky Canyon Rescue | CC9455 | Mine contractor | — |
| — | Rocky Mountain Contractors Inc | CE037 | Mine contractor | — |
| — | Rocky Mountain Reclamation | CWI5 | Mine contractor | — |
| — | Rocky Mt Fabrication & Engineer | CJ2V | Mine contractor | — |
| — | Rocky Mt Hoist Service | CPPR | Mine contractor | — |
| — | ROCTEK INC | CA3579 | Mine contractor | — |
| — | ROD BONE | CC5591 | Mine contractor | — |
| — | ROE TRANSPORTATION, INC. | CG767 | Mine contractor | — |
| — | Roger K Trucking | CC3898 | Mine contractor | — |
| — | Rogers Electrical Contracting, Inc. | CA4980 | Mine contractor | — |
| — | Rogers Excavating, Inc. | CA7787 | Mine contractor | — |
| — | Rogers Group Inc., Corporate Drilling Services | CC4128 | Mine contractor | — |
| — | Rogers Machinery Company | CC7735 | Mine contractor | — |
| — | Rogers Petroleum Services Inc. | CX1A | Mine contractor | — |
| — | Rognes Bros Excavating | CLFG | Mine contractor | — |
| — | Rohde Brothers, Inc. | CC9128 | Mine contractor | — |
| — | ROHR-IDRECO Americas, LLC | CC1750 | Mine contractor | — |
| — | Rohweder Crane Svc | CD025 | Mine contractor | — |
| — | Roland Machinery Co | C2AM | Mine contractor | — |
| — | Rolling Rockstar Transit LLC | CC6254 | Mine contractor | — |
| — | Rollins Trucking Llc | C6XR | Mine contractor | — |
| — | Romco Equipment Co | CHD5 | Mine contractor | — |
| — | Romero Welding LLC | CC6327 | Mine contractor | — |
| — | Ron & Leo's Welding | CA817 | Mine contractor | — |
| — | Ron Burge Trucking Inc | CZLS | Mine contractor | — |
| — | Root Pass Welding Inc | CC2533 | Mine contractor | — |
| — | ROPER INDUSTRIES INC. | CB8698 | Mine contractor | — |
| — | Rorrer Well Drilling, Inc. | CQ139 | Mine contractor | — |
| — | Rosas, LLC | CB4080 | Mine contractor | — |
| — | Rose Welding Inc. | CB9735 | Mine contractor | — |
| — | Rosebud Mining Company | CG426 | Mine contractor | — |
| — | Ross Island Sand & Gravel Co | CNCW | Mine contractor | — |
| — | Rosscapes Inc | CV276 | Mine contractor | — |
| — | Rotex Global | CB6482 | Mine contractor | — |
| — | Roth Trucking | CA155 | Mine contractor | — |
| — | Roto Rooter | CB6221 | Mine contractor | — |
| — | Roughstock Mining Services LLC | CB0130 | Mine contractor | — |
| — | RoviSys | CC2350 | Mine contractor | — |
| — | rowes mobile repair llc | CB0310 | Mine contractor | — |
| — | Roxsyle Systems LLC | CC1629 | Mine contractor | — |
| — | Roy Trucking Inc | CGXR | Mine contractor | — |
| — | Roy Welding LLC | CB8960 | Mine contractor | — |
| — | Royal Diesel Repair | CC2033 | Mine contractor | — |
| — | Royal Electric | CA6430 | Mine contractor | — |
| — | Royal Equipment Inc | C1UK | Mine contractor | — |
| — | RP Ventures LLC DBA Ace Rental and Sales | CC3995 | Mine contractor | — |
| — | RPM East | CC5834 | Mine contractor | — |
| — | RPM Machinery, LLC | CQ061 | Mine contractor | — |
| — | RPM-Dynamics | CC4039 | Mine contractor | — |
| — | RTI Materials, Inc. | CB0801 | Mine contractor | — |
| — | Rubber & Gasket Company of America (RGA) | CV795 | Mine contractor | — |
| — | Rubicon Mechanical LLC | CB9540 | Mine contractor | — |
| — | Rud Propane L.L.P. | CE870 | Mine contractor | — |
| — | Rudd Equipment Co Inc | CS6W | Mine contractor | — |
| — | Rudolph/Libbe, Inc. | CJ844 | Mine contractor | — |
| — | Rudy L. Hawkins Electrical Contractor Inc. | CN074 | Mine contractor | — |
| — | Rudy's Welding | CC5761 | Mine contractor | — |
| — | Rudzik Excavating, Inc. | CB3278 | Mine contractor | — |
| — | Ruen Drilling Inc | CD8L | Mine contractor | — |
| — | Ruggiero Excavators LLC | CM162 | Mine contractor | — |
| — | Rum Creek Coal Sale,Inc | CA9783 | Mine contractor | — |
| — | Rummel Construction, Inc. | CQ421 | Mine contractor | — |
| — | Rundell Inc. | CN845 | Mine contractor | — |
| — | Runyan Construction, Inc. | CH321 | Mine contractor | — |
| — | Rural Electric Inc | CA3521 | Mine contractor | — |
| — | Russ Mining Maintenance | CC7576 | Mine contractor | — |
| — | Russell Mineral Equipment Inc. | CA7738 | Mine contractor | — |
| — | Russo Corp | CZDV | Mine contractor | — |
| — | Rust Constructors Inc | CENM | Mine contractor | — |
| — | RusticFab | CB8243 | Mine contractor | — |
| — | RWS Resources, LLC | CY800 | Mine contractor | — |
| — | Ryan & Associates Inc | CZUP | Mine contractor | — |
| — | Ryan Construction Inc | CMG6 | Mine contractor | — |
| — | Ryan Incorporated Mining | CVBE | Mine contractor | — |
| — | ryan johnson trucking inc | CB3405 | Mine contractor | — |
| — | Ryno Construction | CC4031 | Mine contractor | — |
| — | S & L Trucking LLC | CA3774 | Mine contractor | — |
| — | S & P Contractors, LLC | CB8083 | Mine contractor | — |
| — | S & R Hydrocrane | CPQ8 | Mine contractor | — |
| — | S & S Contractors, Inc. | CW916 | Mine contractor | — |
| — | S & S Metal Works | CC8717 | Mine contractor | — |
| — | S & S Salvage, LLC | CJ101 | Mine contractor | — |
| — | S & S Services | CC3859 | Mine contractor | — |
| — | S & S Urethane Inc | CBBS | Mine contractor | — |
| — | S C B Minerals, LLC | CH856 | Mine contractor | — |
| — | S E I | CQ1M | Mine contractor | — |
| — | S T Wooten Corp | CDN8 | Mine contractor | — |
| — | S T X Corporation | CG395 | Mine contractor | — |
| — | S V C Inc | C7RL | Mine contractor | — |
| — | S&D Eq. Repair | CZ423 | Mine contractor | — |
| — | S&K Stone Inc. | CB4884 | Mine contractor | — |
| — | S&ME Inc. | CZBT | Mine contractor | — |
| — | S&P SERVICES LLC | CC4499 | Mine contractor | — |
| — | S&S Heavy Equipment Repair LLC | CC1607 | Mine contractor | — |
| — | S&S Industries | CB4900 | Mine contractor | — |
| — | S&S MACHINERY REPAIR L.L.C. | CA4105 | Mine contractor | — |
| — | S&S Mechanical LLc. | CB3435 | Mine contractor | — |
| — | S&S Railroad Construction | CN268 | Mine contractor | — |
| — | S&S Technical Services | CB9977 | Mine contractor | — |
| — | S-O-S Industrial Services | CA2656 | Mine contractor | — |
| — | S.Clark Electric, Inc | CC3809 | Mine contractor | — |
| — | S.E.P.T.I.C.,Inc. | CA8169 | Mine contractor | — |
| — | S3 consulting and Fabrication LLC. | CC8293 | Mine contractor | — |
| — | SA Recycling | CA3447 | Mine contractor | — |
| — | Safari Pest Management | CC4618 | Mine contractor | — |
| — | Safe Steps | CQ681 | Mine contractor | — |
| — | Safeguard Fire and Alarm Inc. | CP341 | Mine contractor | — |
| — | Safety Assessment Services | CA1693 | Mine contractor | — |
| — | Safety Electric Inc. | CY408 | Mine contractor | — |
| — | Safety Kleen Corp. | CG47 | Mine contractor | — |
| — | Safety Today & Tomorrow, LLC | CY312 | Mine contractor | — |
| — | Safety, Training & Consulting Inc. | CS667 | Mine contractor | — |
| — | Sage Electric Solutions, LLC | CC0771 | Mine contractor | — |
| — | Sage Rental Services | CC5410 | Mine contractor | — |
| — | Saiia Construction Company, LLC | C1KJ | Mine contractor | — |
| — | Sales Solutions LLC DBA HRE Construction | CC3806 | Mine contractor | — |
| — | SALMON BAY BARGE LINE INC | CJ883 | Mine contractor | — |
| — | Salty Wrench Services | CC8928 | Mine contractor | — |
| — | Sam English Grading Inc. | CM354 | Mine contractor | — |
| — | Sam Hill Oil Inc | CA9037 | Mine contractor | — |
| — | Samron Midwest Contracting, Inc. | CV187 | Mine contractor | — |
| — | Sams Drilling Services Inc | C7VD | Mine contractor | — |
| — | Samson Electric, Inc. | CY426 | Mine contractor | — |
| — | Samuel Engineering, Inc. | CR347 | Mine contractor | — |
| — | Samuel J. Lansberry, Inc. | CP858 | Mine contractor | — |
| — | Samuels Industrial Services LLC | CC6088 | Mine contractor | — |
| — | Sand and Stone Electric | CB9994 | Mine contractor | — |
| — | Sand Creek Tree Services | CC8911 | Mine contractor | — |
| — | Sanders Construction Inc | CI5J | Mine contractor | — |
| — | Sanders Engineering & Analytical Services, Inc. | CY108 | Mine contractor | — |
| — | Sanders Industrial Painting | CC3208 | Mine contractor | — |
| — | Sandex Inc | CLNS | Mine contractor | — |
| — | Sandvik Mining and Construction USA, LLC | CA2A | Mine contractor | — |
| — | Sanroc | CC4475 | Mine contractor | — |
| — | Santa Rosa Well Service | CC7413 | Mine contractor | — |
| — | Santech Signs and Services | CB4084 | Mine contractor | — |
| — | Santiago Welding Services | CD0167 | Mine contractor | — |
| — | Sappe's Heating & Air | CA0300 | Mine contractor | — |
| — | Sapphire Americas | CC6595 | Mine contractor | — |
| — | Sargent Corporation | CA9388 | Mine contractor | — |
| — | Sartin Contracting Inc | CFQJ | Mine contractor | — |
| — | SAS | CB4198 | Mine contractor | — |
| — | SAS Construction Inc | CD050 | Mine contractor | — |
| — | Sas Contracting Corp | C7QH | Mine contractor | — |
| — | SATRA | CC8025 | Mine contractor | — |
| — | Savage Company | CZP4 | Mine contractor | — |
| — | Savayka LLC. | CB2255 | Mine contractor | — |
| — | Sawtooth Mining , LLC | CC5325 | Mine contractor | — |
| — | Scaffold Industrial Services | CB2924 | Mine contractor | — |
| — | Scaffold King Rentals Inc. | CB6941 | Mine contractor | — |
| — | Scaffold Solutions Unlimited | CC3517 | Mine contractor | — |
| — | Scaffolding Solutions, LLC | CW252 | Mine contractor | — |
| — | Scale Foundations Inc. | CC3212 | Mine contractor | — |
| — | Scaleman OF TN | CA0228 | Mine contractor | — |
| — | Scales NW LLC | CA5001 | Mine contractor | — |
| — | Scamp Excavation Inc | C2GQ | Mine contractor | — |
| — | SCANDM LLC | CB2976 | Mine contractor | — |
| — | Scappoose Sand & Gravel | CB9643 | Mine contractor | — |
| — | Scarrow Excavation | CB8430 | Mine contractor | — |
| — | SCC Commercial Roofing, LLC | CC9069 | Mine contractor | — |
| — | SCENIC ENTERPRISES, INC | CA0674 | Mine contractor | — |
| — | SCF Lewis and Clark Fleeting LLC | CB4525 | Mine contractor | — |
| — | Schad Boiler Setting Co | CV2I | Mine contractor | — |
| — | Schenider Electric/Square D Company | CS428 | Mine contractor | — |
| — | Schick Electric, LLC | CX456 | Mine contractor | — |
| — | Schilling Electric Inc | CA0390 | Mine contractor | — |
| — | Schlouch Incorporated | CUEQ | Mine contractor | — |
| — | Schmueser & Assoc LLC | CHG4 | Mine contractor | — |
| — | SCHNABEL ENGINEERING, LLC | CWNH | Mine contractor | — |
| — | Schneider National Bulk Carriers | C6RV | Mine contractor | — |
| — | Schommer Construction | CC5287 | Mine contractor | — |
| — | Schoneweis Custom, LLC | CA2334 | Mine contractor | — |
| — | Schrader Mechanical, Inc | CB4341 | Mine contractor | — |
| — | Schroff Industrial Incorporated | CC6541 | Mine contractor | — |
| — | Schulte Ta | CB451 | Mine contractor | — |
| — | Schumacher Elevator Company | CX792 | Mine contractor | — |
| — | Schuykill County A.V.T.S | CB6241 | Mine contractor | — |
| — | Schwab Aggregates | CB3532 | Mine contractor | — |
| — | Schweller Electric | CW805 | Mine contractor | — |
| — | Scott and Sons Const and Mechanical Service, Inc. | CPIZ | Mine contractor | — |
| — | Scott Clouser Services | CB319 | Mine contractor | — |
| — | Scott Construction Inc. | CJ646 | Mine contractor | — |
| — | Scott Equipment, LLC | CZCR | Mine contractor | — |
| — | Scott Tallant Construction | CA841 | Mine contractor | — |
| — | Scotts Welding and Equipment Repair Inc | CC9192 | Mine contractor | — |
| — | Scotty's Contracting & Stone, LLC | CQ766 | Mine contractor | — |
| — | Screen Tech, Inc | CB9297 | Mine contractor | — |
| — | SCS Engineers | CA3299 | Mine contractor | — |
| — | SCULLION TRUCKING COMPANY | CD698 | Mine contractor | — |
| — | SD Myers LLC | CU237 | Mine contractor | — |
| — | SDI, Inc. | CB6435 | Mine contractor | — |
| — | Sean M Gerrits, Inc dba SMG Inc | CA9055 | Mine contractor | — |
| — | Searle Bros Construction Co | CTCC | Mine contractor | — |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.