| Discovery Producer Services LLC | Louisiana | state | 2016 | $10,229,267 | | property tax abatement |
| Bargath LLC | Colorado | state | | $2,120,039 | | tax credit/rebate |
| Bargath LLC | Colorado | state | 2014 | $1,252,841 | | tax credit/rebate |
| Discovery Producer Services LLC | Louisiana | state | 2015 | $908,765 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2015 | $808,911 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2015 | $786,447 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2013 | $777,937 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2015 | $771,194 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2013 | $707,804 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | state | 2013 | $705,839 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | local | 2014 | $667,051 | | property tax abatement |
| Discovery Producer Services LLC | Louisiana | local | 2014 | $443,440 | | property tax abatement |
| Williams Production RMT Company LLC | Colorado | state | | $411,183 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2013 | $390,202 | | grant |
| THE WILLIAMS CO INC - QJ | Oklahoma | state | 2014 | $375,231 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2012 | $361,806 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2012 | $351,364 | | grant |
| Discovery Producer Services LLC | Louisiana | state | 2013 | $333,399 | | property tax abatement |
| THE WILLIAMS CO INC - QJ | Oklahoma | state | 2013 | $329,064 | | grant |
| THE WILLIAMS CO INC - QJ | Oklahoma | state | 2014 | $328,288 | | grant |
| Williams Field Services Company, LLC | Colorado | state | | $305,477 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2013 | $298,135 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2012 | $296,688 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2011 | $289,896 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2013 | $277,917 | | grant |
| Overland Pass Pipeline Co LLC | Colorado | state | 2015 | $244,952 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2012 | $230,509 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2011 | $227,666 | | grant |
| BARGATH LLC | Colorado | state | 2015 | $210,896 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2011 | $207,355 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2010 | $175,606 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2011 | $137,161 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2009 | $123,743 | | grant |
| THE WILLIAMS CO INC - QJ | Oklahoma | state | 2014 | $121,583 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2010 | $116,328 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2010 | $107,828 | | grant |
| Williams WPC-1, Inc. (The Williams Companies, Inc. - Parent Company) | Pennsylvania | state | | $100,000 | | tax credit/rebate |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2012 | $95,323 | | property tax abatement |
| WILLIAMS COMPANIES | Oklahoma | state | 2007 | $91,217 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2008 | $83,541 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2010 | $78,373 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2009 | $72,170 | | grant |
| THE WILLIAMS COMPANIES, INC | Oklahoma | state | 2015 | $68,945 | | grant |
| Bargath LLC | Colorado | state | 2014 | $68,724 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2008 | $68,659 | | grant |
| WILLIAMS COMPANIES | Oklahoma | state | 2009 | $67,098 | | grant |
| Northwest Pipeline GP | Colorado | state | | $66,123 | | tax credit/rebate |
| Baton Rouge Fractionators, LLC | Louisiana | local | 2014 | $63,818 | | property tax abatement |
| Overland Pass Pipeline Co LLC | Colorado | state | 2014 | $53,319 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2008 | $52,017 | | grant |
| Williams Field Services Company, LLC | Colorado | state | 2014 | $48,223 | | tax credit/rebate |
| Bargath LLC | Colorado | state | 2014 | $45,869 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2007 | $42,595 | | grant |
| BARGATH LLC | Colorado | state | 2015 | $40,320 | | tax credit/rebate |
| WILLIAMS COMPANIES | Oklahoma | state | 2009 | $40,030 | | grant |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2013 | $38,740 | | property tax abatement |
| WILLIAMS COMPANIES | Oklahoma | state | 2008 | $37,234 | | grant |
| THE WILLIAMS COMPANIES, INC | Oklahoma | state | 2009 | $32,178 | | training reimbursement |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2015 | $30,071 | | property tax abatement |
| Williams Companies, The | Colorado | state | 2008 | $30,000 | | grant |
| Williams Companies, The | Colorado | state | 2008 | $28,000 | | grant |
| THE WILLIAMS COMPANIES, INC | Oklahoma | state | 2010 | $27,640 | | training reimbursement |
| Bargath LLC | Colorado | state | 2014 | $25,014 | | tax credit/rebate |
| Williams Companies, The | Colorado | state | 2007 | $22,500 | | grant |
| Northwest Pipeline GP | Colorado | state | 2014 | $20,764 | | tax credit/rebate |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2010 | $20,588 | | property tax abatement |
| Bargath LLC | Colorado | state | 2014 | $20,196 | | tax credit/rebate |
| THE WILLIAMS CO INC | Oklahoma | state | 2015 | $19,857 | | grant |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2016 | $19,137 | | property tax abatement |
| THE WILLIAMS COMPANIES, INC | Oklahoma | state | 2008 | $18,278 | | training reimbursement |
| Williams Companies, The | Colorado | state | 2008 | $18,000 | | grant |
| Bargath LLC | Colorado | state | 2014 | $14,870 | | tax credit/rebate |
| Northwest Pipeline GP | Colorado | state | 2014 | $12,595 | | tax credit/rebate |
| Baton Rouge Fractionators, LLC | Louisiana | state | 2009 | $7,545 | | property tax abatement |
| WILLIAMS COMPANIES | Oklahoma | state | 2007 | $6,530 | | grant |
| Overland Pass Pipeline Co LLC | Colorado | state | 2015 | $5,049 | | tax credit/rebate |
| Overland Pass Pipeline Co LLC | Colorado | state | 2015 | $4,573 | | tax credit/rebate |
| WILLIAMS FIELD SERVICES CO, LLC | Colorado | state | 2015 | $3,020 | | tax credit/rebate |
| Bargath LLC | Colorado | state | 2014 | $1,849 | | tax credit/rebate |
| NORTHWEST PIPELINE LLC | Colorado | state | 2015 | $1,567 | | tax credit/rebate |
| Northwest Pipeline GP | Colorado | state | 2014 | $1,450 | | tax credit/rebate |
| The Williams Companies, Inc. | United States | federal | 2001 | | $140,000,000 | federal loan or loan guarantee |
| WilPro Energy Services (El Furrial) Ltd. | United States | federal | 2002 | | $25,000,000 | federal insurance |
| Wilpro Energy Services (PIGAP II) Limited | United States | federal | 2002 | | $25,000,000 | federal insurance |
| Williams Field Services-Gulf Coast Co.,LP | Texas | local | 2001 | undisclosed | | tax credit/rebate |
| Williams Companies Inc | West Virginia | state | 2014 | undisclosed | | tax credit/rebate |
| Williams Partners Lp | West Virginia | state | 2012 | undisclosed | | tax credit/rebate |
| Williams Companies Inc | West Virginia | state | 2012 | undisclosed | | tax credit/rebate |
| Williams Partners Lp | West Virginia | state | 2013 | undisclosed | | tax credit/rebate |
| Williams Partners Lp | West Virginia | state | 2014 | undisclosed | | tax credit/rebate |
