| A. H. Bennett Co. – Rapid City |
Minuteman Missile National Historic Site Wall |
| Aberdeen Light & Power Co. – Aberdeen |
Mitchell Landfill |
| Aberdeen Mill Co. – Aberdeen |
Montana Dakota Utilities Mandan |
| Ah Bennett Co. Rapid City |
Montana-Dakota Utilities Co. |
| Akron Milling Mining & Manufacturing Co. |
Mount Marty Association Yankton |
| Akron Milling Mining & Manufacturing Co. Custer |
Mount Marty Hospital Assoc – Yankton |
| Amdak Corp. Rapid City |
Northern Normal Industrial School – Aberdeen |
| Amdak Corporation, Rapid City |
Northern States Power Co Pathfinder Steam Plant |
| Angus Anson Power Plant – Sioux Falls |
Northern States Power Co. – Sioux Falls |
| Angus C. Anson Power Plant Sioux Falls |
Northern States Power Co. Minot |
| Argus Leader Building – Sioux Falls |
Northern States Power Co. Sioux Falls |
| Armour & Co. Grand Forks |
Northwest Bell Telephone Co. – Sioux Falls |
| Bath Oil Co. |
Northwest Security Trust Co. – Sioux Falls |
| Battle Mountain Sanitarium Hot Springs |
Northwestern Bell Telephone Building Webster |
| Belle Fourche Landfill |
Northwestern Public Service Aberdeen |
| Big Stone Plant, Unit #1 Grant County |
Northwestern Public Service Clark |
| Black Hills Generation – Rapid City |
Northwestern Public Service Faulkton |
| Black Hills Power & Light Co. Deadwood |
Northwestern Public Service Grant County |
| Black Hills Power & Light Co. Kirk Stat #4 Lead |
Northwestern Public Service Highmore |
| Black Hills Power & Light Co. Rapid City |
Northwestern Public Service Huron |
| Black Hills Power Light Co Kirk Stat #4 |
Northwestern Public Service Mitchell #3 |
| Black Hills Power Light Rapid City |
Northwestern Public Service Mobile |
| Black Hills Power, Incorporated |
Northwestern Public Service Webster |
| Blackhills Power & Light Co. Deadwood |
Northwestern Public Service Yankton |
| Blackhills Power & Light Co. Rapid City |
Otter Tail Power Co. Big Stone City |
| Brookings Landfill |
Ottertail Power Co. Grant County |
| Brookings Municipal Light & Power – Brookings |
Pathfinder Atomic Plant Sioux Falls |
| Brown County Landfill |
Pathfinder Power Plant Sioux Falls |
| CB & Q Railroad |
Pathfinder Steam Plant Sioux Falls |
| Champion Home Builders Plant Blackhawk |
Pierre Landfill |
| City Auditorium – Yankton |
Pillsbury Co. Grand Forks |
| City of Watertown – Watertown |
Rapid City Air Force Base – Rapid City |
| Clinical Building – Sioux Falls |
Rapid City High School Rapid City |
| Collins Hotel – Yankton |
Rapid City Landfill, Rapid City |
| Consolidated Coal Co. Csg Pilot Plant Rapid City |
Rapid City Lime Co. – Rapid City |
| Consolidated Power & Light Co. Deadwood |
Red Ball Warehouse Rapid City |
| Consolidated Power & Light Co. Plume |
Revillo School Project Revillo |
| Consolidation Coal Co. – Rapid City |
Risager Plumbing & Heating Co. – Aberdeen |
| Consolidation Coal Co., Rapid City |
Roberts County Landfill |
| Custer Electric Light, Heat & Power Co. Custer |
S. Dakota Penitentiary |
| Dakota Midland Hospital – Aberdeen |
School & Home for Feeble Minded Redfield |
| Dakota Midland Hospital Aberdeen |
Sierra Valley Co. Op Assn – Sioux Falls |
| Dakota Utilities Morbridge |
Sioux Falls Landfill |
| Deadwood & Delaware Smelter Co. |
Sioux Falls Light & Power Co. – Sioux Falls |
| Deadwood & Delaware Smelter Co. Deadwood |
Sioux Falls Powerhouse – Sioux Falls |
| Ellsworth Air Force Base – Rapid City |
Sioux Valley Coop Association Sioux Falls |
| Ellsworth Air Force Base 100 Bed Hospital |
So Oak Cement Plant – Rapid City |
| Ellsworth Air Force Base Building 803 |
South Dakota Cement Plant – Rapid City |
| Eureka Milling Co. – Sioux Falls |
South Dakota Cement Plant, Rapid City |
| Eureka Milling Co. Sioux Falls |
South Dakota Landfills |
| Farmers Cooperative Co. Bowdle |
South Dakota Penitentiary |
| First Congregational Church – Sioux Falls |
South Dakota Sanatorium Sanatos |
| Fort Meade |
South Dakota State Cement Commission Rapid City |
| Fraser & Chalmers |
South Dakota State College – Brookings |
| Fraser & Chalmers Rapid City |
South Dakota State Hospital – Yankton |
| Frederick Milling Co. Frederick |
South Dakota State Soldiers Home |
| General Public Utilities – Rapid City |
South Dakota State Univ – Brookings |
| General Public Utilities Pluma |
South Dakota State University, Engineering Building Brookings |
| General Public Utilities Rapid City |
Southern Missouri Landfill |
| Globe Machine Supply Co. Sioux Falls |
Spokane Silver & Lead Co. |
| Globe Machinery Supply Huron |
Spokane, WA Silver & Lead Co. Custer |
| Government Missile Project |
St. Luke Hospital Power Plant – Aberdeen |
| Halde & Fleer, Inc. – Rapid City |
State College Engineering Bldg. |
| Healy Plumbing & Heating Co. – Rapid City |
State Sanitorium for Tuberculosis Senator |
| Healy Plumbing Heating Co. Box Elder Siding |
State School of Mines – Rapid City |
| Ideal Mining Co. Custer |
State School of Mines Rapid City |
| Indian Creek Subdivision Mobridge |
State Soldiers Home Hot Springs |
| Iowa Beef Processors, Inc. |
Titan Missile Site Hermosa |
| John Morrell & Co. – Sioux Falls |
Traction Boosters Inc. Alcester |
| John Morrell & Co. Sioux Falls |
Tri-County Landfill |
| Junior High School Complex Pierre Sd Pierre |
Utah-Idaho Sugar Co. Belle Fourche |
| Kanal Pine – Yankton |
V.C. Pengra Construction Co. – Rapid City |
| Kirk Power Plant Deadwood |
Vermillion Landfill |
| Lake Andes |
Veterans Administration Facility |
| Lincoln Hall – Aberdeen |
Walworth County Landfill |
| Lucky Strike Mining Co. Deadwood |
Ward Owsley Bakery Co. |
| Mac Arthur Co. – Sioux Falls |
Watertown Landfill |
| Mandr Dietetic Laboratories, Inc. Mitchell |
Watertown Light & Power Co. Watertown |
| Masonic Hall |
Xcel Energy – Sioux Falls |
| Midwest Boiler Repair Sioux Falls |
Yankton Industrial Alcohol Corp – Yankton |
| Midwest Welding Sioux Falls |
Yankton State Hospital – Yankton |
| Millgren Plumbing Shop Aberdeen |
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