| 1st National Bank Building – Hettinger | Minnkota Power Cooperative Inc – Grand Forks |
| A N G Coal Gasification Plant – Beulah | Minnkota Power Cooperative Inc. Power Plant Cont #4 Center |
| A.H. Bennett Company – Fargo | Minnkota Power Cooperative Milton Young Station Center |
| Abm Missile Radar Sites Concrete | Minnkota Power Corporation, Inc. – Grand Forks |
| ABM Missile Radar Sites Hampden | Minnkote Power Cooperative – Harwood |
| ABM Missile Radar Sites Langdon | Minnkote Power Cooperative Station Center |
| ABM Missile Radar Sites Nakoma | Minot Air Force Base – Minot |
| Acadia Coal Co. Stellarton | Minot Light & Telephone Company – Minot |
| Acadia Coal Company – Stellarton | Minot Missile Site Minot |
| Adams Public School – Adams | Minot Radar Station – Minot |
| Agway Grandin | Minot State College – Minot |
| American Crystal Sugar Company – Drayton | Minto Rolling Mill & Elevator Company – Minot |
| American Hoechst – Pluckemin | Minuteman Missile Site – Grand Forks |
| American Linen Supply Fargo | Minuteman Missile Site Langdon |
| American Oil Company – Mandan | Minuteman Missile Site Minot |
| American Oil Refinery – Mandan | Missile Site Grand Forks |
| Amoco Chemical Company – Mandan | Missile Sites – Grand Forks |
| Amoco Oil Co. of Indiana Mandan | Missile Sites – Langdon |
| Amoco Oil Company of Indiana – Mandan | Ml Industrial Inc. Minot |
| Amoco Oil Company Refinery – Mandan | Montana Dakota Power Company – Kincaid |
| Amoco Oil Refinery – Mandan | Montana Dakota Utilities – Beulah |
| Amoco-American Oil Co. Standard Oil Co. Mandan | Montana Dakota Utilities Beulah |
| Ang Coal Gasification Co. – Mercer County | Montana Dakota Utilities Bismarck |
| Ang Coal Gasification Co. Great Plains Synfuels Project Beulah | Montana Dakota Utilities Co. Kincaid |
| Ang Coal Gasification Co. Mercer County | Montana Dakota Utilities Co. Kincaid, Plant Kincaid |
| Ang Coal Gasification Company – Beulah | Montana Dakota Utilities Co. Mandan |
| Anti-Ballistic Missile Safeguard Facility – Grand Forks | Montana Dakota Utilities Company – Kincaid |
| Archer Daniels Midland Co. – Walhalla | Montana Dakota Utilities Mandan |
| Armour & Company – West Fargo | Montana Dakota Utilities Public Service Co. Beulah |
| asin Electric & Power Cooperative W. J. Neal Velva | Montana Dakota Utilities, Coyote Power Station Beulah |
| Bank Of Carrington – Carrington | Montana Steam Electric Station Mandan |
| Basic Electric & Power Corp. | Montana-Dakota Utilities Co. Beulah |
| Basin Electric & Power Cooperative Bismarck | Montana-Dakota Utilities Co. Hesken Station Unit 2 Mandan |
| Basin Electric & Power Cooperative Stanton | Montana-Dakota Utilities Company – Mandan |
| Basin Electric & Power Cooperative Unit #2 Stanton | Mount Vernon Straw Board Company – Mount Vernon |
| Basin Electric & Power Cooperative W. J. Neal Voltaire | New Jersey Zinc Co. – Gloucester |
| Basin Electric & Power Corp. Stanton | No Pacific Railway Plant – Mandan |
| Basin Electric Power Cooperative – Beulah | No. 1 Powerhouse Site Force Base |
| Basin Electric Power Cooperative – W. J. Neal – Velva | North Dakota 45 Basin – Stanton |
| Baukol Noonan, Inc. – Noonan | North Dakota Agricultural College – Fargo |
| Bethel Lutheran Home for The Aged – Williston | North Dakota Milling Company – Grand Forks |
| Bismarck Civil Center – 6Th & Sweet Avenue – Bismarck | North Dakota Penitentiary – Grove |
| Bismarck Civil Center – Bismarck | North Dakota School For the Deaf – Devils Lake |
| Bob Clark Williston | North Dakota School The Deaf |
| Boiler Plant State Hospital – Jamestown | North Dakota State Hospital – Jamestown |
| Borden Company – Crafton | North Dakota State Industrial School – Mandan |
| Bp Amoco North Dakota – Mandan | North Dakota State Penitentiary – Bismarck |
| BP Amoco oil Refinery | North Dakota State University – Fargo |
| Building Sprinkler Co., Inc. – Fargo | North Dakota State University – Various Buildings – Fargo |
| Building Sprinkler Company, Inc. – Fargo | North Dakota State University Dormitories Fargo |
| Burlington Northern Railroad-Shops – Minot | Northern Pacific Railway Company – Jamestown |
| Case Tractor Facility | Northern Pacific Railway Plant – Mandan |
| Cenex Harvest States Grandin | Northern States Power Co. Fargo |
| Center Power Plant – Center | Northern States Power Co. Grand Forks |
| Chs Inc. Grandin | Northern States Power Co. Minot |
| City of Hastings | Northern States Power Co. Voltaire |
| Clark Equipment | Northern Sugar Corp – Drayton |
| Coal Creek Power Station – Underwood | Northern Sugar Corp. – Drayton |
| Consumers Power Company – Minot | Northwestern Public Service Co. Beulah |
| Cowan Building – Bismarck | Oliver Farm Equipment Co. Fargo |
| Coyote Power Plant – Beulah | Otter Tail Power Co. Devils Lake |
| Coyote Power Station – Beulah | Otter Tail Power Co. Unit 2 Jamestown |
| Coyote Steam Plant, Unit 1 Beulah | Otter Tail Power Company – Beulah |
| Crippled Childrens Hospital – Jamestown | Par Missile Sites – Langdon |
| Crippled Children’s Hospital – Jamestown | Par Missile Sites Nakoma |
| Crosby School District – Crosby | Parsite – Alga |
| Crystal Sugar Plant – Grand Forks | Pillsbury Co. – Fargo |
| Dakota Clinic – Fargo | Pillsbury Company – Fargo |
| Dakota Hospital – Fargo | R & O Contractors – Rolette |
| Dakota Public Service Power Plant – Bismarck | R M Heskett Station – Mandan |
| Deaconess Hospital – Grafton | R. M. Heskett Steam Electric Station Mandan |
| Dickinson Plumbing & Heating – Dickinson | Red River Power Co. Grand Forks |
| Dickinson Roller Mill Company – Dickinson | Red River Power Company – Grand Forks |
| Door #1 Powerhouse Site | Robinson Insulation Co. Zonolite W.R. Grace – Minot |
| Elgin High School – Elgin | Rogers Brothers Corp. Grand Forks |
| Excel Pork Division – Beardstown | Ruttand Plumbing & Heating – Forman |
| F- M Insulation Fargo | Safeguard Facilities – Langdon |
| Fargo Foundry & Steel Manufacturing – Fargo | Safeguard Facilities Langdon |
| Federal Building – Fargo | Sargent Manor – Forman |
| First National Bank – Bismarck | School-Scared Heart – Grand Forks |
| First National Bank Building Hettinger | Signal Oil Co. – Tioga |
| F-M Insulation – Fargo | Signal Oil Plant – Tioga |
| Garrison Dam – Bismarck | Simplot (Western Potato) – Grand Forks |
| Gasoline Plant – Tioga | Singleton Sheetmetal – Devils Lake |
| Gopher United Power | Sisters Of Mercy Hospital – Devils Lake |
| Gopher United Power – Stanton Power Plant – Stanton | Sornsin Co. – Hazen |
| Grand Forks Afb (Missile Field) – Grand Forks | Sornsin Company – Mandan |
| Grand Forks Air Force Base – Emerado | Square Butte Electric Co. Center |
| Grand Forks Gas & Electric Company – Grand Forks | Square Butte Electric Co. Operative Oliver |
| Grand Forks Missile Sites – Grand Forks | St. Alexis Hospital – Bismarck |
| Grand Forks Powerhouse – Grand Forks | St. Ann’s Gym |
| Great Northern Railroad – Minot | St. Ann’s Gym – Rolette |
| Great Plains Gasification Plant – Beulah | St. Johns Hospital – Fargo |
| Great Plains Gasification Plant ((Ang) – Beulah | St. John’S Hospital – Fargo |
| Greenberg Roofing & Sheet Metal Co. – Minot | Standard Oil Co. Mandan Refinery Mandan |
| Greenberg Roofing & Sheet Metal Company – Minot | Standard Oil Company – Mandan |
| Hazen Hospital – Hazen | Standard Oil Refinery – Mandan |
| Heating, & A-C, Inc. | Standard Refinery – Mandan |
| Hesken Station Unit 2 Mandan | Stanley R. Mickelsen Safeguard Complex – Nakoma |
| Heskitt Station Power Plant – Mandan | Stanton Power Plant – Stanton |
| High School – Crosby | Stanton Powerhouse |
| Hughes Electric Co. Bismarck | State Hospital – Jamestown |
| Hughes Electric Company – Beulah | State Hospital for Insane – Jamestown |
| Hunt Oil – Tioga | State Industrial School – Mandan |
| Husky Briquetting Inc. – Dickinson | State Industrial School Mandan |
| Industrial Commission of N.D. – Grand Forks | Steiger-Case Tractor Facility |
| Industrial Commission Of North Dakota – Grand Forks | Strategic Air Command Air Base – Minot |
| Industrial Contractors – Bismarck | Sub Station-West Fargo – West Fargo |
| J. F. Pritchard & Company – Tioga | Sunset Home – Bowman |
| Jamestown Plumbing, Heating, & A/C, Inc. – Jamestown | Three Tribes Stoneware – New Town |
| Jamestown State Hospital – Jamestown | Truax- Traer Coal Co. Velva |
| Jamestown Yards | Truax-Traer Coal Company – Kincaid |
| Johnson Fuel Co. Scranton | Twining School – Fargo |
| Johnson Fuel Company – Scranton | Twining School Airmans Dorm Fargo |
| Langdon Missile Sites – Langdon | U. S. Reclamation Service Williston |
| Larimore Stock – Fargo | Union Carbide Nuclear Co. – Tioga |
| Leeby Victor H Company – Fargo | United Power Association |
| Leland Olds Generating Station – Stanton | United Power Association Power Station Stanton |
| Lignite Combustion Engineering Company – Bismarck | United Power Company – Crosby |
| Lummus – Standard Oil Co. (Indiana) – Mandan | United States Reclamation Service – Williston |
| M & L Industrial Inc. – Minot | University Of North Dakota – Grand Forks |
| M&L Industrial Inc. – Minot | Valley City Brick Company – Valley City |
| MacArthur Warehouse Building Base | Valley City Electric & Water Works – Valley City |
| Macarthur Warehouse Building Door # 1 Powerhouse Site Emerado | Victor H. Leeby Company – Fargo |
| Macarthur Warehouse Building Door #1 Powerhouse Site Force Base | W. J. Neal Co. |
| Magnet Cove Barium – Gascoyne | W.S. Redamation Service – Williston |
| Manchester Biscuit Co. Fargo | Walster North Dakota State University – Fargo |
| Mandan Oil – Mandan | Walster, North Dakota State University Fargo |
| Mandan Powerhouse – Mandan | Wellsboro Electric Co. Beulah Plant Beulah |
| Mechanical Insulation & Construction Co. – Tioga | Wellsboro Electric Company, Beulah Plant – Beulah |
| Memorial Union North Dakota State University – Fargo | West Acres – Fargo |
| Midwest Processing Corporation – Velva | West Acres Mall Fargo |
| Milton R. Young Station – Center | Western Potato |
| Milton R. Young Station – Minnkota Power Co-Op – Center | Westland Oil Co. – Williston |
| Minn-Dak Farmers Cooperative – Wahpeton | Westland Oil Willisten |
| Minnesoto Northern Power Company – Kincaid | Wm. J. Neal Power Station – Velva |
| Minnkota Power Cooperative – Center |
| 1st National Bank Building – Hettinger | Minnkota Power Cooperative Inc – Grand Forks |
| A N G Coal Gasification Plant – Beulah | Minnkota Power Cooperative Inc. Power Plant Cont #4 Center |
| A.H. Bennett Company – Fargo | Minnkota Power Cooperative Milton Young Station Center |
| Abm Missile Radar Sites Concrete | Minnkota Power Corporation, Inc. – Grand Forks |
| ABM Missile Radar Sites Hampden | Minnkote Power Cooperative – Harwood |
| ABM Missile Radar Sites Langdon | Minnkote Power Cooperative Station Center |
| ABM Missile Radar Sites Nakoma | Minot Air Force Base – Minot |
| Acadia Coal Co. Stellarton | Minot Light & Telephone Company – Minot |
| Acadia Coal Company – Stellarton | Minot Missile Site Minot |
| Adams Public School – Adams | Minot Radar Station – Minot |
| Agway Grandin | Minot State College – Minot |
| American Crystal Sugar Company – Drayton | Minto Rolling Mill & Elevator Company – Minot |
| American Hoechst – Pluckemin | Minuteman Missile Site – Grand Forks |
| American Linen Supply Fargo | Minuteman Missile Site Langdon |
| American Oil Company – Mandan | Minuteman Missile Site Minot |
| American Oil Refinery – Mandan | Missile Site Grand Forks |
| Amoco Chemical Company – Mandan | Missile Sites – Grand Forks |
| Amoco Oil Co. of Indiana Mandan | Missile Sites – Langdon |
| Amoco Oil Company of Indiana – Mandan | Ml Industrial Inc. Minot |
| Amoco Oil Company Refinery – Mandan | Montana Dakota Power Company – Kincaid |
| Amoco Oil Refinery – Mandan | Montana Dakota Utilities – Beulah |
| Amoco-American Oil Co. Standard Oil Co. Mandan | Montana Dakota Utilities Beulah |
| Ang Coal Gasification Co. – Mercer County | Montana Dakota Utilities Bismarck |
| Ang Coal Gasification Co. Great Plains Synfuels Project Beulah | Montana Dakota Utilities Co. Kincaid |
| Ang Coal Gasification Co. Mercer County | Montana Dakota Utilities Co. Kincaid, Plant Kincaid |
| Ang Coal Gasification Company – Beulah | Montana Dakota Utilities Co. Mandan |
| Anti-Ballistic Missile Safeguard Facility – Grand Forks | Montana Dakota Utilities Company – Kincaid |
| Archer Daniels Midland Co. – Walhalla | Montana Dakota Utilities Mandan |
| Armour & Company – West Fargo | Montana Dakota Utilities Public Service Co. Beulah |
| asin Electric & Power Cooperative W. J. Neal Velva | Montana Dakota Utilities, Coyote Power Station Beulah |
| Bank Of Carrington – Carrington | Montana Steam Electric Station Mandan |
| Basic Electric & Power Corp. | Montana-Dakota Utilities Co. Beulah |
| Basin Electric & Power Cooperative Bismarck | Montana-Dakota Utilities Co. Hesken Station Unit 2 Mandan |
| Basin Electric & Power Cooperative Stanton | Montana-Dakota Utilities Company – Mandan |
| Basin Electric & Power Cooperative Unit #2 Stanton | Mount Vernon Straw Board Company – Mount Vernon |
| Basin Electric & Power Cooperative W. J. Neal Voltaire | New Jersey Zinc Co. – Gloucester |
| Basin Electric & Power Corp. Stanton | No Pacific Railway Plant – Mandan |
| Basin Electric Power Cooperative – Beulah | No. 1 Powerhouse Site Force Base |
| Basin Electric Power Cooperative – W. J. Neal – Velva | North Dakota 45 Basin – Stanton |
| Baukol Noonan, Inc. – Noonan | North Dakota Agricultural College – Fargo |
| Bethel Lutheran Home for The Aged – Williston | North Dakota Milling Company – Grand Forks |
| Bismarck Civil Center – 6Th & Sweet Avenue – Bismarck | North Dakota Penitentiary – Grove |
| Bismarck Civil Center – Bismarck | North Dakota School For the Deaf – Devils Lake |
| Bob Clark Williston | North Dakota School The Deaf |
| Boiler Plant State Hospital – Jamestown | North Dakota State Hospital – Jamestown |
| Borden Company – Crafton | North Dakota State Industrial School – Mandan |
| Bp Amoco North Dakota – Mandan | North Dakota State Penitentiary – Bismarck |
| BP Amoco oil Refinery | North Dakota State University – Fargo |
| Building Sprinkler Co., Inc. – Fargo | North Dakota State University – Various Buildings – Fargo |
| Building Sprinkler Company, Inc. – Fargo | North Dakota State University Dormitories Fargo |
| Burlington Northern Railroad-Shops – Minot | Northern Pacific Railway Company – Jamestown |
| Case Tractor Facility | Northern Pacific Railway Plant – Mandan |
| Cenex Harvest States Grandin | Northern States Power Co. Fargo |
| Center Power Plant – Center | Northern States Power Co. Grand Forks |
| Chs Inc. Grandin | Northern States Power Co. Minot |
| City of Hastings | Northern States Power Co. Voltaire |
| Clark Equipment | Northern Sugar Corp – Drayton |
| Coal Creek Power Station – Underwood | Northern Sugar Corp. – Drayton |
| Consumers Power Company – Minot | Northwestern Public Service Co. Beulah |
| Cowan Building – Bismarck | Oliver Farm Equipment Co. Fargo |
| Coyote Power Plant – Beulah | Otter Tail Power Co. Devils Lake |
| Coyote Power Station – Beulah | Otter Tail Power Co. Unit 2 Jamestown |
| Coyote Steam Plant, Unit 1 Beulah | Otter Tail Power Company – Beulah |
| Crippled Childrens Hospital – Jamestown | Par Missile Sites – Langdon |
| Crippled Children’s Hospital – Jamestown | Par Missile Sites Nakoma |
| Crosby School District – Crosby | Parsite – Alga |
| Crystal Sugar Plant – Grand Forks | Pillsbury Co. – Fargo |
| Dakota Clinic – Fargo | Pillsbury Company – Fargo |
| Dakota Hospital – Fargo | R & O Contractors – Rolette |
| Dakota Public Service Power Plant – Bismarck | R M Heskett Station – Mandan |
| Deaconess Hospital – Grafton | R. M. Heskett Steam Electric Station Mandan |
| Dickinson Plumbing & Heating – Dickinson | Red River Power Co. Grand Forks |
| Dickinson Roller Mill Company – Dickinson | Red River Power Company – Grand Forks |
| Door #1 Powerhouse Site | Robinson Insulation Co. Zonolite W.R. Grace – Minot |
| Elgin High School – Elgin | Rogers Brothers Corp. Grand Forks |
| Excel Pork Division – Beardstown | Ruttand Plumbing & Heating – Forman |
| F- M Insulation Fargo | Safeguard Facilities – Langdon |
| Fargo Foundry & Steel Manufacturing – Fargo | Safeguard Facilities Langdon |
| Federal Building – Fargo | Sargent Manor – Forman |
| First National Bank – Bismarck | School-Scared Heart – Grand Forks |
| First National Bank Building Hettinger | Signal Oil Co. – Tioga |
| F-M Insulation – Fargo | Signal Oil Plant – Tioga |
| Garrison Dam – Bismarck | Simplot (Western Potato) – Grand Forks |
| Gasoline Plant – Tioga | Singleton Sheetmetal – Devils Lake |
| Gopher United Power | Sisters Of Mercy Hospital – Devils Lake |
| Gopher United Power – Stanton Power Plant – Stanton | Sornsin Co. – Hazen |
| Grand Forks Afb (Missile Field) – Grand Forks | Sornsin Company – Mandan |
| Grand Forks Air Force Base – Emerado | Square Butte Electric Co. Center |
| Grand Forks Gas & Electric Company – Grand Forks | Square Butte Electric Co. Operative Oliver |
| Grand Forks Missile Sites – Grand Forks | St. Alexis Hospital – Bismarck |
| Grand Forks Powerhouse – Grand Forks | St. Ann’s Gym |
| Great Northern Railroad – Minot | St. Ann’s Gym – Rolette |
| Great Plains Gasification Plant – Beulah | St. Johns Hospital – Fargo |
| Great Plains Gasification Plant ((Ang) – Beulah | St. John’S Hospital – Fargo |
| Greenberg Roofing & Sheet Metal Co. – Minot | Standard Oil Co. Mandan Refinery Mandan |
| Greenberg Roofing & Sheet Metal Company – Minot | Standard Oil Company – Mandan |
| Hazen Hospital – Hazen | Standard Oil Refinery – Mandan |
| Heating, & A-C, Inc. | Standard Refinery – Mandan |
| Hesken Station Unit 2 Mandan | Stanley R. Mickelsen Safeguard Complex – Nakoma |
| Heskitt Station Power Plant – Mandan | Stanton Power Plant – Stanton |
| High School – Crosby | Stanton Powerhouse |
| Hughes Electric Co. Bismarck | State Hospital – Jamestown |
| Hughes Electric Company – Beulah | State Hospital for Insane – Jamestown |
| Hunt Oil – Tioga | State Industrial School – Mandan |
| Husky Briquetting Inc. – Dickinson | State Industrial School Mandan |
| Industrial Commission of N.D. – Grand Forks | Steiger-Case Tractor Facility |
| Industrial Commission Of North Dakota – Grand Forks | Strategic Air Command Air Base – Minot |
| Industrial Contractors – Bismarck | Sub Station-West Fargo – West Fargo |
| J. F. Pritchard & Company – Tioga | Sunset Home – Bowman |
| Jamestown Plumbing, Heating, & A/C, Inc. – Jamestown | Three Tribes Stoneware – New Town |
| Jamestown State Hospital – Jamestown | Truax- Traer Coal Co. Velva |
| Jamestown Yards | Truax-Traer Coal Company – Kincaid |
| Johnson Fuel Co. Scranton | Twining School – Fargo |
| Johnson Fuel Company – Scranton | Twining School Airmans Dorm Fargo |
| Langdon Missile Sites – Langdon | U. S. Reclamation Service Williston |
| Larimore Stock – Fargo | Union Carbide Nuclear Co. – Tioga |
| Leeby Victor H Company – Fargo | United Power Association |
| Leland Olds Generating Station – Stanton | United Power Association Power Station Stanton |
| Lignite Combustion Engineering Company – Bismarck | United Power Company – Crosby |
| Lummus – Standard Oil Co. (Indiana) – Mandan | United States Reclamation Service – Williston |
| M & L Industrial Inc. – Minot | University Of North Dakota – Grand Forks |
| M&L Industrial Inc. – Minot | Valley City Brick Company – Valley City |
| MacArthur Warehouse Building Base | Valley City Electric & Water Works – Valley City |
| Macarthur Warehouse Building Door # 1 Powerhouse Site Emerado | Victor H. Leeby Company – Fargo |
| Macarthur Warehouse Building Door #1 Powerhouse Site Force Base | W. J. Neal Co. |
| Magnet Cove Barium – Gascoyne | W.S. Redamation Service – Williston |
| Manchester Biscuit Co. Fargo | Walster North Dakota State University – Fargo |
| Mandan Oil – Mandan | Walster, North Dakota State University Fargo |
| Mandan Powerhouse – Mandan | Wellsboro Electric Co. Beulah Plant Beulah |
| Mechanical Insulation & Construction Co. – Tioga | Wellsboro Electric Company, Beulah Plant – Beulah |
| Memorial Union North Dakota State University – Fargo | West Acres – Fargo |
| Midwest Processing Corporation – Velva | West Acres Mall Fargo |
| Milton R. Young Station – Center | Western Potato |
| Milton R. Young Station – Minnkota Power Co-Op – Center | Westland Oil Co. – Williston |
| Minn-Dak Farmers Cooperative – Wahpeton | Westland Oil Willisten |
| Minnesoto Northern Power Company – Kincaid | Wm. J. Neal Power Station – Velva |
| Minnkota Power Cooperative – Center |