Profile
William Keith Maxwell is the founder of National Gas & Electric LLC, founded in 2015, where the title held is Chief Executive Officer.
Current jobs include Chairman, President & Chief Executive Officer at Nudevco Midstream Development LLC; Chief Executive Officer at Nudevco Partners LLC, Spark Energy Ventures LLC, Associated Energy Services LP, Retailco LLC, Retailco Services LLC, and Spark Energy Gas LLC; Executive Chairman & Chief Executive Officer at Via Renewables, Inc. since 2020; Chief Executive Officer & Director at TxEx Energy Investments LLC; and Chairman at Spark Energy LLC (Texas) since 1999.
Former jobs include Chairman & Chief Executive Officer at Marlin Midstream Partners LP from 2013 to 2015; Chief Executive Officer & Director at Marlin Midstream GP LLC in 2015; Non-Independent Director at Azure Midstream Partners LP; Director at Azure Midstream Partners GP LLC from 2015 to 2016; Vice President-Gas Operations at Black Hills Energy Resources, Inc.; President at Marlin Midstream LLC; and Partner at Polaris Pipeline Co. Education includes an undergraduate degree from The University of Texas at Austin, conferred in 1987.
William Maxwell active positions
| Companies | Position | Start |
|---|---|---|
| VIA RENEWABLES, INC. | Chief Executive Officer | 12/03/2020 |
TxEx Energy Investments LLC
TxEx Energy Investments LLC Financial ConglomeratesFinance Provides investment services | Chief Executive Officer | - |
Nudevco Midstream Development LLC
Nudevco Midstream Development LLC Gas DistributorsUtilities Develops, owns, operates and acquires midstream energy assets | Chief Executive Officer | - |
Retailco Services LLC | Chief Executive Officer | - |
National Gas & Electric LLC
National Gas & Electric LLC Oil & Gas ProductionEnergy Minerals Provides gas and electric services | Chief Executive Officer | 01/01/2015 |
Retailco LLC
Retailco LLC Electric UtilitiesUtilities Provides combinations of electric, gas and other services | Chief Executive Officer | - |
Spark Energy LLC (Texas)
Spark Energy LLC (Texas) Electric UtilitiesUtilities Provides energy distribution services | Chairman | 01/01/1999 |
Associated Energy Services LP
Associated Energy Services LP Oil & Gas ProductionEnergy Minerals Provides oil and gas extraction services | Chief Executive Officer | - |
Nudevco Partners LLC
Nudevco Partners LLC Gas DistributorsUtilities Engages in distribution of natural gas | Chief Executive Officer | - |
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Former positions of William Maxwell
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Training of William Maxwell
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 19 |
|---|---|
Nudevco Midstream Development LLC
Nudevco Midstream Development LLC Gas DistributorsUtilities Develops, owns, operates and acquires midstream energy assets | Utilities |
Nudevco Partners LLC
Nudevco Partners LLC Gas DistributorsUtilities Engages in distribution of natural gas | Utilities |
The University of Texas at Austin
The University of Texas at Austin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Black Hills Energy Resources, Inc.
Black Hills Energy Resources, Inc. Oil & Gas PipelinesIndustrial Services Provides transportation and marketing services to crude oil producers | Industrial Services |
Spark Energy Gas LLC
Spark Energy Gas LLC Electric UtilitiesUtilities Supplies electricity and natural gas | Utilities |
Spark Energy LLC (Texas)
Spark Energy LLC (Texas) Electric UtilitiesUtilities Provides energy distribution services | Utilities |
Marlin Midstream LLC
Marlin Midstream LLC Gas DistributorsUtilities Provides natural gas processing and marketing services | Utilities |
Polaris Pipeline Co. | |
Spark Energy Ventures LLC | |
Marlin Midstream Partners LP
Marlin Midstream Partners LP Gas DistributorsUtilities Develops, owns, operates and acquires midstream energy assets | Utilities |
Marlin Midstream GP LLC
Marlin Midstream GP LLC Gas DistributorsUtilities Develops, owns, operates and acquires midstream energy assets | Utilities |
Associated Energy Services LP
Associated Energy Services LP Oil & Gas ProductionEnergy Minerals Provides oil and gas extraction services | Energy Minerals |
Via Renewables, Inc.
Via Renewables, Inc. Electric UtilitiesUtilities Provides combinations of electric, gas and other services | Utilities |
Azure Midstream Partners LP
Azure Midstream Partners LP Financial ConglomeratesFinance Engages in the acquisition, investment, and development of midstream energy infrastructure | Finance |
Azure Midstream Partners GP LLC
Azure Midstream Partners GP LLC Gas DistributorsUtilities Develops, owns, operates and acquires midstream energy assets | Utilities |
Retailco LLC
Retailco LLC Electric UtilitiesUtilities Provides combinations of electric, gas and other services | Utilities |
TxEx Energy Investments LLC
TxEx Energy Investments LLC Financial ConglomeratesFinance Provides investment services | Finance |
Retailco Services LLC | |
National Gas & Electric LLC
National Gas & Electric LLC Oil & Gas ProductionEnergy Minerals Provides gas and electric services | Energy Minerals |
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