​

 1985 

 SD Department of Transportation—Hwy. 73 south of Kadoka, SD—Grading, and Interim Surfacing—1,000,000 cy of excavation, total project amount $1,500,000.00 SD Department of Transportation—Hwy. 18 from Hot Springs, SD west approximately 3 miles—Grading and Surfacing—650,000 cy of excavation and rock excavation, total project amount $3,300,000.00  

1986  

WY Department of Environmental Quality Reclamation projects—near Colony, WY— Done concurrently—abandoned bentonite mines. First—531,000 cy of excavation, total project amount $700,000.00—Second—505,000 cy of excavation, total project amount $800,000.00 SD Department of Transportation—Hwy. 18 from Edgemont, SD to the Wyoming state line—Grading and Interim Surfacing—1,100,000 cy of excavation, total project amount $2,600,000.00 WY Department of Environmental Quality Reclamation projects—Colony, WY—Done concurrently—abandoned bentonite mines. First—168,000 cy of excavation, total project amount $450,000.00 Second—160,000 cy of excavation, total project amount $225,000.00. Third—600,000 cy of excavation, total project amount $785,000.00 

 1987 

SD Department of Transportation—Hwy. 73 from Faith, SD south. Grading and Interim Surfacing—1,500,000 cy of excavation, total project amount $3,000,000.00 WY Department of Environmental Quality Reclamation project—Colony, WY— abandoned betonite mine—2,000,000 cy of excavation, total project amount $2,000,000.00 WY Department of Environmental Quality Reclamation project—Upton, WY— abandoned bentonite mine—400,000 cy of excavation, total project amount $600,000.00  

1988 

 WY Department of Environmental Quality Reclamation projects—Upton, WY—done concurrently--abandoned bentonite mines. First—500,000 cy of excavation, total project amount $855,000.00. Second—475,000 cy of excavation, total project amount $570,000.00 City of Rapid City—Rapid City, SD—Site Development—Walpole Heights—Grading— total project amount $200,000.00 SD Department of Transportation—Faulk County—Grading—800,000 cy of excavation, total project amount $2,700,000.00 SD Department of Transportation—Custer County—Box Culverts and Grading—total project amount $300,000.00 SD Department of Transportation—State Hwy. 34 in Meade County—60,000 cy of excavation, total project amount $260,000.00 SD Department of Transportation—County Road (Nemo Road) Pennington County— Grading, Drainage, and Asphalt Concrete Surfacing—Rock Job—60,000 cy of excavation and rock excavation, total project amount $700,000.00 SD Department of Transportation—US Hwy. 16A in Custer County—Structure and Approach Grading—12,000 cy of excavation, total project amount $425,000.00 

 1989 

 SD Department of Transportation—State Hwy. 36 in Custer County—Structures and Grading—(Rock Job)—88,000 cy of excavation and rock excavation, total project amount $1,030,000.00 SD Department of Transportation—New Underwood, SD—Meade County—Box Culvert—37,500 cy of excavation, total project amount $120,000.00 City of Rapid City—Rapid City, SD—Robbinsdale Park—Grading, Topsoil, and Seeding—2,500 cy of excavation, total project amount $60,000.00 SD Department of Transportation—US Hwy. 18 in Fall River County—Erosion Control—1,200 cy of excavation, total project amount $157,000.00 SD Department of Transportation—Butte and Haakon Counties—Bridge Structure and Approach Grading—10,500 cy of excavation, total project amount $2,300,000.00 SD Department of Transportation—US Hwy. 16 in Custer County—Flatten Backslopes—45,000 cy of excavation, total project amount $700,000.00 

 1990 

 SD Department of Transportation—7 miles North of Quinn, SD—Pennington county— Approach Grading and Box Culvert—4,000 cubic yards of excavation, total project amount $120,000.00 Bishop Road in Gillette, WY—Carter Mining Company (Caballo Mine)—Amax Coal Company (Belle Ayre Mine)—Grading—1,200,000 cubic yards of excavation, total project amount $970,840.00 City of Belle Fourche—Bellle Fourche, SD—Wetlands Sewage Ponds Project—Butte County—Grading and Related Structure—270,000 cubic yards of excavation, total project amount $757,300.00 SD Department of Transportation—Pennington County—Approach Grading and Structures—(2)Bridges—10,000 cubic yards of excavation, total project amount $290,300.00 SD Department of Transportation—Center of the Nation—Butte County—Box Culvert Repair—total project amount $50,000.00 SD Department of Transportation—Butte County—Structure Replacement—total project amount $56,000.00  

1991  

SD Department of Transportation—Custer County—Structures and Approach Grading— (3)Box Culverts—26,700 cubic yards of excavation, total project amount $498,500.00 SD Department of Transportation—Butte County—Grading and Gravel Surfacing— 196,600 cubic yards of excavation, total project amount $205,600.00 SD Department of Transportation—Pennington County—Structure and Approach Grading—1,200 cubic yards of excavation, total project amount $205,600.00 SD Department of Transportation—Meade County—(Subcontract), for Hills Material Company—Grading and Asphalt Concrete Surfacing—47,800 cubic yards of excavation, total project amount $75,000.00 Pennington County Highway Department—Pennington County—Repair of Nemo Road Slide Area (Rock Job)—56,000 cubic yards of excavation and rock excavation, total project amount $393,044.00 SD Department of Transportation—Custer County—Grading, Structure, and Surfacing— State Hwy. 36—30,000 cubic yards of excavation, total project amount $480,000.00 

 1992 

 SD Department of Transportation—Lawrence County—Grading, Surfacing, and Structure on Spearfish Creek Bridge—Spearfish, SD—4,200 cubic yards of excavation, total project amount $470,500.00 SD Department of Transportation—Custer County—Grading, RC Box Culverts, and Interim Surfacing on US 385 from Pringle to Custer, SD—1,128,950 cubic yards of excavation, total project amount $5,908,500.00 SD Department of Transportation—Custer County—Water and Sewer Lines Relocation on US 385 in Custer County—total project amount $141,980.00 SD Department of Transportation—Fall River & Custer County—Grading and Interim Sufracing on US385—716,587 cubic yards of excavation and rock excavation, total project amount $2,300,000.00  

1993 Pennigton County Highway Department—Pennington County—Rapid City, SD— Grading, Gravel, Base Course and Bituminous Paving on County Road C-468 Phase II— 57,200 cubic yards of excavation, total project amount $382,600.00 SD Department of Transportation—Pennington County—Grading, Structures and Asphalt Concrete Surfacing on US Hwy. 16—104,700 cubic yards of excavation, total project amount $1,041,900.00 Bureau of Indian Affairs—Shannon County—Sharps Corner to Rockyford, Pine Ridge Reservation—Excavation, Grading, and Structure—400,000 cubic yards of excavation, total project amount $899,500.00  

1994 

 City of Rapid City—Rapid City, SD—Rapid Creek Floodplain Berm—Pennington County—total project amount $95,000.00 SD Department of Transportation—Pennington County—(Subcontract), for Stanley J Johnsen Concrete Contractor, Inc—Grading, Structures, and PCC Paving—total project amount $593,000.00 SD Department of Transportation—Pennington County—(Subcontract), for Stanley J Johnsen Concrete Contractor, Inc—PCC Pavement for Turn Lane—total project amount $75,500.00 Skyline Professional Park—Rapid City, SD—Pennington County—Site Grading— 55,200 cubic yards of excavation, total project amount $116,650.00 SD Department of Transportation—Meade County—Structure and Approach Grading— 20,000 cubic yards of excavation, total project amount $150,000.00 City of Rapid City—Rapid City, SD—Rapid City Regional Airport—Pennington County—Runway Safety Area Grading—79,800 cubic yards of excavation, total project amount $208,500.00 Diocese of Rapid City—Rapid City, SD—St. Thomas More High School—Pennington County—(Subcontract), for Mousel Construction, Inc—Building Site Grading—total project amount $44,500.00 Wallmart Store #1604—Wallmart Facilities Construction Location—Pennington County—(Subcontract), for Hills Materials Company—Site Grading—400,000 cubic yards of excavation, total project amount $491,000.00 SD Department of Transportation—Lawrence County—(Subcontract), for Stanley J Johnsen Concrete Contractor, Inc—PCC Paving Underpass—total project amount $107,917.00 Sodak Gaming, Inc—Pennington County—(Subcontract), for Dean Kurtz Construction Company—Site Grading—total project amount $74, 657.00  

1995 

 SD Department of Transportation—Butte County—(Subcontract), for Stanley J Johnsen Concrete, Inc—Intersection Improvement—Grading & Surfacing—73,790 cubic yards of excavation, total project amount $172,500.00 Rapid City Regional Hospital—Ambulatory Surgical Center—Pennington County— (Subcontract), for Dean Kurtz Construction Company—Site Grading—16,000 cubic yards of excavation, total project amount $81,500.00 SD Department of Transportation—Pennington County—(Subcontract), for Stanley J Johnsen Concrete Contractor, Inc—Grading, PCC Paving, Curb & Gutter & Storm Sewer—159,200 cubic yards of excavation, total project amount $1,320,750.00 City of Rapid City—Pennington County—(Subcontract), for Hills Material Company— Material Recovery Facility, Paving and Site Utilities—21,500 cubic yards of excavation, total project amount $136,690.00 Wyoming Department of Environmental Quality project—Colony, WY—abandoned bentonite mine—Crook County—110,000 cubic yards of excavation, total project amount $442,721.00 SD Department of Transportation—Pennington County—(Subcontract), for Stanley J Johnsen Concrete, Inc—Grading—3,500 cubic yards of excavation, total project amount $132,900.00 Sturgis Industrial Expansion Corporation—Meade County—(Subcontract), for Hills Materials Company—Sturgis Industrial Park Road & Utilities Improvement—4,800 cubic yards of excavation, total project amount $84,500.00 City of Rapid City—Pennington County—(Subcontract), for R.C.S Construction, Inc— Canyon Lake Restoration, Phase I—total project amount $804,300.00  

1996 

 SD Department of Transportation—Jackson County—(Subcontract), for Heavy Constructors, Inc—Structure, Grading, & AC Surfacing—54,901 cubic yards of excavation, total project amount $235,300.00 SD Department of Transportation—Meade County—Grading and Asphalt Concrete Surfacing—5,518 cubic yards of excavation, total project amount $120,810.00 SD Department of Transportation—Pennington County—(Subcontract), for Stanley J Johnsen Concrete, Inc—Grading, Curb & Gutter, Structure Widening & PCC Paving— 32,893 cubic yards of excavation, total project amount $684,663.00 Bureau of Reclamation—Butte County—South Canel Lining—Reach 4, Belle Fourche Unit—approximately 3 miles southeast of Nisland, SD—56,470 cubic yards of excavation, total project amount $749,105.60 City of Rapid City—Rapid City Regional Airport—Pennington County—Reconstruction of Runway 14-3—(Subcontract), for James Cape & Sons, Inc—22,305 cubic yards of excavation, total project amount $163,708.00 SD Department of Transportation—Pennington County—Rock Removal, Asphalt Concrete Surfacing, and Curb & Gutter—Parking Lot/Turn Out SD 244 at Mt. Rushmore—total project amount $183,500.00 Sodak Gaming, Inc—Pennington County—(Subcontract), for Dean Kurtz Construction Company—Site Grading—total project amount $70,307.00 Westview Estates—Pennington County—(Subcontract), for Lage Development Company, Inc—Site Grading—total project amount $99,986.00 Black Hills Visitor Center—Pennington County—(Subcontract), for Mac Construction Company, Inc—Site Grading—total project amount $191,042.00  

1997 

 SD Department of Transportation—Custer County and Pennington County—Grading, Interim Surfacing, & Structures—3,550,000 cubic yards of excavation, total project amount $13,277,485.00 SD Department of Transportation—Fall River County—Grading, Structures, Base Course and Asphalt Surface Treatment—1,052,270 cubic yards of excavation, total project amount $5,437,752.00 Menards Development—Rapid City, SD—Pennington County—(Subcontract), for Heavy Constructors, Inc—Earthwork & Excavation Structure—628,000 cubic yards of excavation, total project amount $724,500.00  

1998 

 Rapid City Economic Development—Rapid City, SD—Pennington County—Rushmore Industrial Park Expansion—Overlot Grading Project—279,500 cubic yards of excavation, total project amount $442,500.00 Signature Development—Black Gap Ranch—Rapid City, SD—Pennington County—Site Grading &Water Line—220,000 cubic yards of excavation, total project amount $354,000.00 SD Department of Transportation—Fall River County—Structure & Approach Grading—38,657 cubic yards of excavation, total project amount $106,800.00  

1999  

City of Rapid City—Rapid City, SD—Pennington County—Southwest Connector Road & Highway 16—Grading, Surfacing, Lighting, Signals, Pavement Marking, ROW— 519,235 cubic yards of excavation, total project amount $3,729,805.00 SD Department of Transportation—Custer and Pennington Counties—(Subcontract), for Stanley J Johnsen Concrete Contractor, Inc—PCC Paving, Cold Milling, Asphalt, Asphalt Concrete Resurfacing—24,500 cubic yards of excavation, total project amount $138,800.00 SD Department of Transportation—Custer County—US Highway 385—Grading & Interim Surfacing—1,195,419 cubic yards of excavation, total project amount $7,285,350.00 SD Department of Transportation—Pennington County—(Subcontract), for Heavy Constructors, Inc—Grading, Structures, & Surfacing—859,426 cubic yards of excavation, total project amount $2,506,800.00  

2000 

 SD Department of Transportation—Lawrence & Meade Counties—US Highway 14A— Grading, Structures & AC Surfacing (Rock Job)—477,301 cubic yards of excavation and rock excavation, total project amount $8,446,375.00 Black Hills Power & Light Company—Rapid City, SD—Pennington County— Substation Pad—Grading & Gravel Surfacing—92,700 cubic yards of excavation, total project amount $136,850.00 Black Hills Orthopedic and Spine Center—Rapid City, SD—Pennington County—Site Grading—190,000 cubic yards of excavation, total project amount $192,000.00 SD Department of Transportation—Pennington County—Nemo Rd.—413,000 cubic yards of excavation and rock excavation—Grading, AC Surfacing & Structures—total project amount $5,100,000.00 City of Sturgis—Meade County—Sturgis Irrigation, Storage Pond—Grading storage pond, riprap and piping—total project amount $668,000.00  

2001 

 SD Department of Transportation—Whitewood, SD—Lawrence County(Subcontract) for SJJCCI—I-90 EBL—concrete removal, grading & gravel—total project amount $1,300,000.00 SD Department of Transportation—Custer County—Highway 36—grading, structures & AC Surfacing—566,000 cubic yards of excavation, total project amount $5,300,000.00 Lawrence County—Spearfish, SD—Black Hills Airport—(Subcontract) for Hills Material—Grading, total project amount $59,000.00 Homestake Mining Co—Lawrence County—reclamation project—total project amount $750,000.00 SD Department of Transportation—Pennington County—(Subcontract) for Heavy Constructors Inc—SE Connector Phase I, grading & misc.—1,200,000 cubic yards of excavation, total project amount $2,700,000.00  

2002 

 SD Department of Transportation—Lawrence County—Exit 8—(Subcontact) for SJJCCI—Grading & gravel surfacing—188,000 cubic yards of excavation, total project amount $650,000.00 SD Department of Transportation—Pennington County—Exit 67—(Subcontract) for SJJCCI—Grading & gravel surfacing—430,000 cubic yards of excavation, total project amount $830,000.00 Pennington County Highway Department—Pennington County—Artial Road— (Subcontract) for SJJCCI—Grading & gravel surfacing—140,000 cubic yards of excavation, total project amount $810,000.00 Stoney Creek Sub-Division Phase II—Pennington County—(Subcontract) for Mainline Excavating—Site grading—100,000 cubic yards of excavation, total project amount $180,000.00 SD Department of Transportation—Custer County—Highway 79—Heartland Express— Grading, Structures & AC Surfacing—1,600,000 cubic yards of excavation, total project amount $7,800,000.00 Doyle Estes—Pennington County—Heartland Retail Center—site grading—160,000 cubic yards of excavation, total project amount $230,000.00  

2003 

 Custer County Highway Department—Custer County—Pleasant Valley Road—Grading & gravel surfacing—30,000 cubic yards of excavation, total project amount $375,000.00 SD Department of Transportation—Pennington County—Highway 44—(Subcontract) for SJJCCI—Grading & gravel surfacing—30,000 cubic yards of excavation, total project amount $416,000.00 SD Department of Transportation—Pennington County—Omaha St—(Subcontract) for SJJCCI—Concrete removal, grading & gravel—90,000 cubic yards of excavation, total project amount $3,100,000.00 Pankrantz Grading—Pennington County—site grading—340,000 cubic yards of excavation, total project amount $300,000.00 SD Department of Transportation—Custer County—Highway 79—Grading & Structures—1,800,000 cubic yards of excavation, total project amount $6,700,000.00 Pennington County—Eastridge Estates—(Subcontract) for Mainline Excavationg— Grading & topsoil—115,000 cubic yards of excavation, total project amount $200,000.00 SD Department of Transportation—Pennington County—Exit 66—Ramp removal & slope flattening—42,000 cubic yards of excavation, total project amount $208,000.00 EAFB—Pennington Count—EAFB Taxiway Repair—(Subcontract) for SJJCCI— Remove asphalt & grading—total project amount $90,000.00  

2004 

 SD Department of Transportation—Meade and Pennington Counties—Exit 55— (Subcontract) for SJJCCI—Concrete removal, grading & gravel—500,000 cubic yards of excavation, total project amount $2,300,000.00 SD Department of Transportation—Pennington County—SE Connector Phase II— (Subcontract) for Heavy Constructors Inc—Grading & gravel surfacing—2,000,000 cubic yards of excavation, total project amount $5,800,000.00 City of Rapid City—Pennington County—5th Street extension & Catron Blvd—grading & AC Surfacing—700,000 cubic yards of excavation, total project amount $5,500,000.00 Stoneridge LLC—Eastridge Grading—Pennington County—site grading—1,100,000 cubic yards of excavation, total project amount $1,200,000.00 SD Department of Transportation—Meade County— State Exit 32—(Subcontract) for Heavy—Grading & gravel surfacing—600,000 cubic yards of excavation, total project amount $2,700,000.00 SD Department of Transportation—Meade County— County Exit 32—(Subcontract) for Heavy—Grading & gravel surfacing—100,000 cubic yards of excavation, total project amount $450,000.00  

2005 

 City of Rapid City—Pennington County—Haines Ave—(Subcontract) for SJJCCI— Grading & gravel surfacing—50,000 cubic yards of excavation, total project amount $600,000.00 SD Department of Transportation—Pennington County—Exit 60(Subcontract) for Heavy Constructors—grading & gravel surfacing—1,400,000 cubic yards of excavation, total project amount $4,400,000.00 B & I Properties—Meade County—Site Grading—total project amount $105,000.00 Stoney Creek South—Pennington County—Site Grading—250,000 cubic yards of excavation, total project amount $658,691.00 SD Department of Transportation—Lawrence County—Highway 85, Shoulder Erosion Control, total project amount $249,543.80. SD Department of Transportation—Perkins County—Highway 73, Ditch Grading, total project amount $169,534.25. Pennington County Highway Department—Pennington County—Radar Hill Road— Grading & Asphalt Surfacing--160,000 cubic yards of excavation, total project amount $1,357,916.49 SD Department of Transportation—Custer & Fall River Counties—Maverick Junction-- Grading, Structures & PCC Pavement—1,500,000 cubic yards of excavation, total project amount $8,699,151.01 SD Department of Transportation—Pennington County—Dusters Corner—(Subcontract) for Swingen Construction—Grading & Gravel—total project amount $320,037.98  

2006 

 American Colloid Company—Crook County—Stripping bentonite pits—1,500,000 cubic yards, total project amount $ 1,125,000.00 Custer County Highway Department—Custer County—Sidney Park Road—Grading and Asphalt Surfacing—50,000 cubic yards of excavation, total project amount $950,589.96 SD Department of Transportation—Pennington County—Eglin Road—Grading, Curb & Gutter, Storm Sewer & Surfacing—62,000 cubic yards of excavation—total project amount $1,839,585.00 SD Department of Transportation—Pennington County—Eglin Road—Watermain, Sanitary Sewer & Grading—157,000 cubic yards of excavation—total project amount $819,995.70 US Department of Interior—Custer County—Wastewater Treatment Facility—Wind Cave National Park (Subcontract) for Mainline Contracting—Site Preparation & Demo, Earthwork—total project amount $258,800.00 SD Department of Transporation—Meade County—Interstate Crossovers & Ramp Detours—total project amount $1,047,239.00 SD Department of Transportation—Custer/Fall River Counties—Maverick Junction(Subcontract) for Fred Carlson Company LLC—Gravel and Base Course—total project amount $750,794.60 Midland Rushmore, LLC—Pennington County—Rushmore Crossing—Grading and Site Preparation—1,300,000 cubic yards of excavation—total project amount $2,146,999.65 Forest Products—Pennington County—grade storage site—total project amount $90,462.25 OTS Inc.—Pennington County—Catron Crossing (Subcontract) for Grizzly Excavation, Inc.—Grading, Strip & Stockpile Topsoil—total project amount $164,081.00 WY Department of Transportation—Campbell County—Gillette-Moorcroft Bridge (Subcontract) for Heavy Constructors—166,400 cubic yards of excavation—total project amount $959,074.00 SD Department of Transportation—Pennington County—Exit 61 (Subcontract) for SJJCCI—Grading and Gravel Surfacing, total project amount $4,253,933.36  

2007 

 SD Department of Transportation—Meade County—Piedmont Service Road—Grading, Structures, & Asphalt Surfacing—235,000 cubic yards of excavation—total project amount $9,050,393.56 DM & E—Pennington County—Flood project near Hermosa—repairing tracks—total project amount $149,276.82 SD Department of Transportation—Pennington County—Highway 44 (Subcontract) for Heavy Constructors—Grading & Gravel Surfacing--278,603 cubic yards of excavation— total project amount $6,621,550.30 Copperfield Vistas, LLC—Pennington County—Copperfield Vistas Subdivision Phase I—352,500 cubic yards of excavation—total project amount $556,160.00 DM & E—Pennington County—South Rail Yard—setting & switching tracks—total project amount $128,322.07  

2008 

 Department of Game, Fish & Parks—Custer County—Custer Wastewater Treatment Facility Expansion—Grading, Riprap and Liner—total project amount $1,440,837.90 East Mall Overlot Grading—Pennington County—Grading & Site Preparation—180,000 cubic yards of excavation—total project amount $258,614.40 SSST LLC—Pennington County—Grading and Storm Sewer—1,052,000 cubic yards of excavation—total project amount $2,517,000.00 SD Department of Transportation—Meade County—Exit 30 (Subcontract) for Heavy Constructors—Grading & Gravel Surfacing—53,000 cubic yards of excavation—total project amount $2,095,863.60  

2009 

 SD Department of Transportation—Fall River County—Maverick Junction—Sub for Heavy Constructors, Inc. Grading & Gravel Surfacing—1,401,000 cubic yards of excavation—total project amount $3,556,527.20 A/R Group—Pennington County—Channel Fill and Pipe—16,100 cubic yards of excavation—total project amount $111,792.50 SD Department of Transportation –Custer County—SD Highway 40—Grading, AC Surfacing & Misc.—90,000 cubic yards of excavation—total project amount $1,615,787.85 SD Department of Transportation—Fall River County—Highway 71—Ardmore— Grading, Surfacing & Misc.—45,000 cubic yards of excavation—total project amount $345,408.55 SD Department of Transportation—Fall Rover County—Highway 18—Sub for Heavy Constructors, Inc.—Grading, Box Culverts & PCC Pavement—360,000 cubic yards of excavation—total project amount $2,647,802.60  

2010 

 Hilton Garden Inn—Pennington County—Sub for Heavy Constructors, Inc. 95,000 cubic yards of excavation—total project amount $245,202.90 SD Department of Transportation—Meade County—Vanocker Canyon—6,300 cubic yards of excavation—total project amount $163,795.03 SD Department of Transportation—Butte, Meade County—Scour Protection—total project amount $98,293.20 City of Rapid City – Pennington County – RC Regional Airport Taxiway A – Sub for Stanley J, Johnsen Concrete Contractor – total project amount $1,544,116.75  

2011 

 SD Department of Transportation – Lawrence County – Sub for Grangaard Construction Inc. - - 249,952 cubic yards of excavation/rock – total project amount $1,500,723.10 Pete Lien & Sons, Inc. – Fall River County – Stripping Overburden – total project amount $110,172.85 The Evangelical Lutheran Good Samaritan Society – Pennington County – Sub for Heavy Constructors – 142,300 cubic yards of excavation – total project amount $455,930.00 SD Department of Transportation – Fall River County – US Highway 18 – Oelrichs – Grading & Structures – 1,329,000 cubic yards of excavation – total project amount $5,355,443.72 SD Department of Transportation – Pennington County – Radar Hill Road – Grading & Asphalt Concrete Surfacing – 274,000 cubic yards of excavation – total project amount $2,125,592.36 SD Department of Transportation – Pennington County – Sub for Stanley J. Johnsen Concrete Contractor, Inc. - Mall Drive – 85,000,000 cubic yards of excavation – total project amount $666,004.00 SD Department of Transportation – Meade, Perkins County – Highway 73 – Shoulder Widening – 2,071,788 cubic yards of excavation – total project amount $10,799,000.00  

2012 

 SD Department of Transportation – Meade County – Sub for Heavy Constructors – Exit 52 – 239,971 cubic yards of excavation – total project amount $1,630,682.60. CRST Department of Transportation – Ziebach County – BIA Route 12 – 450,000 cubic yards of excavation – total project amount $2,520,664.05 Wharf Resources – Lawrence County – SD Highway 473 – 680,880 cubic yards of unclassified excavation/Rock excavation – total project amount $7,094,394.78 SD Department of Transportation – Lawrence County – Sub for Heavy Constructors – Exit 10 to 17 – 82,370 cubic yards of excavation – total project amount $3,654,640.50  

2013 

 SD Department of Transportation – Custer County – Sub for Heavy Constructors – County Road 656 Bridge, Cheyenne River – 27,145 cubic yard of excavation – total project amount $292,773.00 City of Rapid City – Pennington County – Sub for Heavy Constructors – Moon Meadows – 177,000 cubic yards of excavation – total project amount $467,444.80 SD Department of Transportation – Custer County – US Highway 16 – Hells Canyon – 275,000 cubic yards of rock and excavation – total project amount $8,395,869.45  

2014 

 City of Sturgis – Meade County – Effluent Irrigation Storage Pond Erosion Repairs – total project amount $412,036.00 Elkhorn Ridge @ Frawley Ranches – Lawrence County – Elkhorn Ridge Golf Course Back Nine Earthwork – 200,000 cubic yards of excavation – total project amount $1,113,890.00 City of Rapid City – Pennington County – Rapid City Cell 13-14 Cover Project – Rapid City Landfill – 120,000 cubic yards of excavation – total project amount $1,088,700.00 SD Department of Transportation – Custer County – SD Highway 87 – Sylvan Lake Road – total project amount $3,415,937.90  

2015 

 SD Department of Transportation – Fall River County – Sub for Heavy – Highway 18 bridges – 52,269 cubic yards of excavation – total project amount - $960,260.90 KS West, LLC – Pennington County – Buffalo Ridge – Rough Grading – 270,860 cubic yards of excavation – total project amount - $805,681.61 SD Department of Transportation – Perkins County – Sub for Heavy – Highway 73 Bridges – 114,788 cubic yards of excavation – total project amount - $1,248,402.10