MDU RESOURCES GROUP, INC.

Storage of gas; Distributorship services in the field of natural gas

Public utility services; Public utility services in the nature of natural gas distribution; Maintenance and/or repair of energy meters

Public utility services; Public utility services in the nature of natural gas distribution; Maintenance and/or repair of energy meters

Generation of power; Generation of power through operation of power generation equipment and facilities; Processing of oil and gas; Processing of natural gas; Processing of liquefied natural gas; Public utility services; Public utility services in the nature of natural gas distribution; Transmission of oil or gas through pipelines; Storage, distribution, and transportation of liquefied petroleum gas; Transportation and storage of fuels; Laying, repair, maintenance, replacement and refurbishment of gas pipelines; Pipeline construction and maintenance; Construction planning; Construction of structures for the production of natural gas; Construction of structures for the storage of natural gas; Construction project management services; Operation of a business for others, namely, operation of pipelines, natural gas dehydration systems, compressor stations, metering stations, and energy facilities; Gas meter reading and data analysis; Pipeline inspection services; Design of pipelines; Custom design and engineering of pipelines, natural gas dehydration systems, natural gas compressor stations, gas metering stations, and energy facilities

Production of energy; generation of electricity; magnetization of metal cables and metal pipelines; Transmission and distribution of electricity, natural gas and propane; consulting services in the field of transmission and distribution of electricity, natural gas and propane; waste petroleum collection for recycling;; Maintenance and repair of power generation equipment, namely, power lines, power substations, energy meters, and related facilities, namely, transformers, meters, protective relays and protective equipment; electrical contractor services; preventative maintenance service for electrical systems; Safety inspection services for electrical systems; maintenance and repair of heating equipment; Construction services, namely, laying and construction of pipelines, electric lines, and inside electrical wiring and cabling; maintenance and repair of pipelines; management of energy-related construction projects, namely, supervision of cable and pipeline magnetization and locating; excavation services; directional drilling for installing underground pipelines, telecommunications cables, and wells; land reclamation; Installation of renewable energy generation equipment; installation and maintenance of transportation and traffic equipment and systems

"CONSTRUCTION SERVICES GROUP"

"CONSTRUCTION SERVICES GROUP"

Construction services, namely, laying and construction of pipe lines, electric lines, and inside electrical wiring and cabling

Magazines, manuals, brochures, and house organs all featuring information on employee health and safety | Providing online information on workplace safety for employees in the fields of natural gas, oil and electricity

Class 037: Electrical contractor services

Public utility services in the nature of natural gas distribution; "GAS COMPANY"

Public utility services in the nature of natural gas distribution; "GAS COMPANY"

Production of energy; generation of electricity; and magnetization of metal cables and metal pipelines.; Utility services, namely transmission and distribution of electricity; and distribution of natural gas; Construction services, namely, laying and construction of pipe lines, electric lines, and inside electrical wiring and cabling; management of energy-related construction projects, namely supervision of cable and pipeline magnetization and locating; highway site development and construction services; drilling and pumping of oil; and mining extraction services.; Oil field survey and exploration

Production of energy; generation of electricity; and magnetization of metal cables and metal pipelines; Utility services, namely transmission and distribution of electricity; and distribution of natural gas; Construction services, namely, laying and construction of pipe lines, electric lines, and inside electrical wiring and cabling; management of energy-related construction projects, namely supervision of cable and pipeline magnetization and locating; highway site development and construction services; drilling and pumping of oil; and mining extraction services; "RESOURCES GROUP, INC."; Oil field survey and exploration

Class 039: Public and private utilities in the nature of supplying water; Class 040: Water treatment services

"BUSINESS"

Retail and wholesale distributorship services in the field of natural gas; "NATURAL GAS CORPORATION"

Class 007: Plows and plow attachments, namely, water releasing tanks

"QUALITY SERVICES"

Class 035: [ Retail store services featuring kitchen and home appliances and heating equipment. ]; Class 037: [ Installation, maintenance and repair of heating equipment and kitchen appliances; ] maintenance and repair of energy meters; Class 039: Public utility services, namely transmission and distribution of natural gas.

"NATURAL GAS CO."

[ Installation, ] [ maintenance and repair of heating equipment ] [ and kitchen appliances; ] maintenance and repair of generation equipment, namely, power lines, power substations, energy meters, and related facilities, namely, transformers, meters, protective relays and protective equipment

[ Retail store services featuring kitchen and home appliances and heating equipment ] | [ Installation, ] [ maintenance and repair of heating equipment and kitchen appliances; ] maintenance and repair of energy meters | Public utility services, namely transmission and distribution of natural gas

Class 035: Business consulting services; Class 041: Educational services, namely, conducting classes, seminars, conferences, workshops, and videotape instruction in the fields of construction, construction materials, mining, public utilities, and public agencies

Class 035: business consulting services; Class 041: Educational services, namely, conducting classes, seminars, conferences, workshops, and videotape instruction in the fields of construction, construction materials, mining, public utilities, and public agencies

Class 006: POST TENSION CABLE SYSTEMS COMPRISING PLASTIC ENCAPSULATED 7-STRAND WIRE, ANCHORS AND LOCKING WEDGES USED IN CONCRETE CONSTRUCTION FOR PROVIDING POST CONCRETE POUR FOUNDATION COMPRESSION; Class 037: INSTALLATION OF POST TENSION CABLE SYSTEMS FOR CONCRETE CONSTRUCTION

Class 039: Public utility services, namely transmission and distribution of electricity, natural gas and propane

[ installation, ] maintenance and repair of heating equipment [ and kitchen appliances ] ; maintenance and repair of power generation equipment, namely, power lines, power substations, energy meters, and related facilities, namely, transformers, meters, protective relays and protective equipment

producing and generating electricity

public utility services, namely transmission and distribution of electricity, natural gas and propane

retail store services featuring kitchen and home appliances, heating equipment and security and safety equipment

[ installation, ] maintenance and repair of heating equipment [ and kitchen appliances ] ; maintenance and repair of power generation equipment, namely, power lines, power substations, energy meters, and related facilities, namely, transformers, meters, protective relays and protective equipment

retail store services featuring kitchen and home appliances, heating equipment and security and safety equipment

public utility services, namely transmission and distribution of electricity, natural gas and propane

producing and generating electricity

storage of natural gas [ ; and transportation of natural gas by truck ]; "NATURAL GAS CORPORATION"; [retail and wholesale distributorship services in the field of natural gas]

Transmission and distribution of electricity, natural gas and propane; consulting services in the field of transmission and distribution of electricity, natural gas and propane; Maintenance and repair of power generation equipment, namely, power lines, power substations, energy meters, and related facilities, namely, transformers, meters, protective relays and protective equipment; electrical contractor services; preventative maintenance service for electrical systems; Safety inspection services for electrical systems; maintenance and repair of heating equipment; Mining extraction; construction planning, managing, and supervision; construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions; Construction services, namely, laying and construction of pipelines, electric lines, and inside electrical wiring and cabling; maintenance and repair of pipelines; management of energy-related construction projects, namely, supervision of cable and pipeline magnetization and locating; highway site development and construction services; excavation services; drilling and pumping of oil; directional drilling for installing underground pipelines, telecommunications cables, and wells; land reclamation; waste petroleum collection for recycling; installation of fire suppression systems; advisory services relating to the installation of fire prevention and suppression equipment; plumbing services; HVAC contractor services; Installation of renewable energy generation equipment; rental of construction equipment; installation and maintenance of transportation and traffic equipment and systems

Metal fabrication and finishing services for others; Machine shop services, namely, machining parts for others; Electric junction boxes; electrical ducts; electric control panels; transformers; Non-metallic rigid pipes for construction purposes; non-metal plastic pipes; rigid PVC pipes; rigid fiberglass pipes, not of metal; Metal clad pipes; pipe tubes of metal; metal pipe fittings; metal pipe couplings and joints; metal conduit; metal heating ducts; metal air conditioning ducts; construction elements made of metal, namely, supports; Non-metallic flexible pipes; non-metal pipe couplings and joints; flexible PVC pipes; rigid fiberglass pipe fittings, namely, non-metal fittings, non-metal couplings, and non-metal connectors for pipes; Construction consultation services; construction project management services; construction planning services; construction supervision services; construction services, namely, laying and construction of pipe lines, electric lines, and inside electrical wiring and cabling; Lighting fixtures; "CONSTRUCTION"

Employment hiring, recruiting, placement and staffing services, namely, providing temporary placement of truck drivers, mechanics and equipment operators in the fields of construction and contracting services

Electrical contractor services; Comprehensive preventative maintenance service for electrical systems; Safety inspection services for electrical systems

Electrical contractor services; Comprehensive preventative maintenance service for electrical systems; Safety inspection services for electrical systems

Video recordings and instructional material provided together as a unit featuring instruction and training in safety practices for professional vehicle drivers involved in construction-related activities | Educational services, namely, conducting classes, seminars, and training in the field of safety practices for professional vehicle drivers involved in construction-related activities, and distribution of training material in connection therewith; providing education courses in the field of safety practices for professional vehicle drivers involved in construction-related activities offered through online, non-downloadable videos and instructor assistance

Construction materials, namely, asphalt, concrete, ready mix concrete, cement mixes, rocks and gravel, lignite and bituminous coal tars, and aggregate material comprised of the foregoing for construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts and golf courses; concrete building materials, namely, blocks and pavers; Mining extraction; rock, sand, gravel and hard rock quarry mining; construction planning, managing and supervision; construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts, golf courses; land reclamation; waste petroleum collection for recycling; Mining and mineral exploration services

Construction materials, namely, asphalt, concrete, ready mix concrete, cement mixes, rocks and gravel, lignite and bituminous coal tars, and aggregate material comprised of the foregoing for construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions | Mining extraction; construction planning, managing and supervision; construction of roads, streets, infrastructure, comm | Mining and mineral exploration services

"RESOURCES COMPANY"

ready mix concrete

storage of natural gas; and transportation of natural gas by pipeline; "NATURAL GAS CORPORATION" or the representation of the triangle and flame design; retail and/or wholesale distributorship services in the field of natural gas

arranging and conducting seminars providing instruction in training and safety practices for professional truck drivers involved in construction-related activities; "DRIVER PROGRAM"

ready-mix concrete

prerecorded videotapes and printed materials, packaged together as a unit, providing instruction in training and safety practices for professional truck drivers involved in construction-related activities; "DRIVER PROGRAM"

prerecorded videotapes and printed materials packaged together as a unit providing instruction in training and safety practices for professional truck drivers involved in construction-related activities

prerecorded videotapes and printed materials, packaged together as a unit, providing instruction in training and safety practices for professional truck drivers involved in construction-related activities