| 2020 | 1 | 453 | $0 | $0 | - |
| Southern Pump & Tank Co. Employee Benefits Plan | - | 453 | - | - | - |
| 2019 | 2 | 373 | $0 | $0 | - |
| Southern Pump & Tank Co. Employee Benefits Plan | - | 373 | - | - | - |
| Spatco Severance Plan | - | 0 | - | - | - |
| 2018 | 2 | 325 | $0 | $0 | - |
| Southern Pump & Tank Co. Employee Benefits Plan | - | 325 | - | - | - |
| Spatco Severance Plan | - | 325 | - | - | - |
| 2017 | 5 | 297 | $0 | $0 | - |
| Reliance Standard Dental Plan | - | 0 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 0 | - | - | - |
| Group Life Plan | - | 0 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 0 | - | - | - |
| Spatco Severance Plan | - | 297 | - | - | - |
| 2016 | 5 | 202 | $0 | $0 | - |
| Group Life Plan | - | 201 | - | - | - |
| Reliance Standard Dental Plan | - | 189 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 196 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 202 | - | - | - |
| Spatco Severance Plan | - | 196 | - | - | - |
| 2015 | 5 | 201 | $0 | $0 | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 165 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 181 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 165 | - | - | - |
| Reliance Standard Dental Plan | - | 154 | - | - | - |
| Group Life Plan | - | 201 | - | - | - |
| 2014 | 4 | 157 | $0 | $0 | - |
| Reliance Standard Dental Plan | - | 140 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 157 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 149 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 147 | - | - | - |
| 2013 | 5 | 162 | $0 | $0 | - |
| Reliance Standard Dental Plan | - | 120 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 137 | - | - | - |
| Group Life Plan | - | 162 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 109 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 143 | - | - | - |
| 2012 | 5 | 169 | $0 | $0 | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 160 | - | - | - |
| Group Life Plan | - | 169 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 109 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 151 | - | - | - |
| Reliance Standard Dental Plan | - | 138 | - | - | - |
| 2011 | 6 | 179 | $0 | $0 | - |
| Reliance Standard Dental Plan | - | 131 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 155 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 158 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 133 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 133 | - | - | - |
| Group Life Plan | - | 179 | - | - | - |
| 2010 | 6 | 179 | $0 | $0 | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 159 | - | - | - |
| Reliance Standard Dental Plan | - | 142 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 171 | - | - | - |
| Group Life Plan | - | 179 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 157 | - | - | - |
| Group Life Plan | - | 179 | - | - | - |
| 2009 | 6 | 168 | $0 | $0 | - |
| Group Life Plan | - | 166 | - | - | - |
| Reliance Standard Dental Plan | - | 126 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 166 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 143 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 168 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 146 | - | - | - |
| 2008 | 3 | 376 | $5,706,333 | $909,569 | $2,419iApproximate average salary by contribution assumption: employee only about $60,477 at 4% or $40,318 at 6%; with 50% employer match about $40,318 at 4% or $26,879 at 6%; with 100% employer match about $30,238 at 4% or $20,159 at 6%. |
| SOUTHERN PUMP & TANK COMPANY, LLC 401K PLAN | - | 376 | $5,706,333 | $909,569 | $2,419iApproximate average salary by contribution assumption: employee only about $60,477 at 4% or $40,318 at 6%; with 50% employer match about $40,318 at 4% or $26,879 at 6%; with 100% employer match about $30,238 at 4% or $20,159 at 6%. |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 190 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 181 | - | - | - |
| 2007 | 6 | 304 | $8,545,817 | $1,057,566 | $3,479iApproximate average salary by contribution assumption: employee only about $86,971 at 4% or $57,981 at 6%; with 50% employer match about $57,981 at 4% or $38,654 at 6%; with 100% employer match about $43,485 at 4% or $28,990 at 6%. |
| SOUTHERN PUMP & TANK COMPANY, LLC 401K PLAN | - | 225 | $8,545,817 | $1,057,566 | $4,700iApproximate average salary by contribution assumption: employee only about $117,507 at 4% or $78,338 at 6%; with 50% employer match about $78,338 at 4% or $52,225 at 6%; with 100% employer match about $58,754 at 4% or $39,169 at 6%. |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 188 | - | - | - |
| Group Life Plan | - | 201 | - | - | - |
| Reliance Standard Dental Plan | - | 167 | - | - | - |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 304 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 208 | - | - | - |
| 2006 | 6 | 228 | $7,479,384 | $886,707 | $3,889iApproximate average salary by contribution assumption: employee only about $97,227 at 4% or $64,818 at 6%; with 50% employer match about $64,818 at 4% or $43,212 at 6%; with 100% employer match about $48,613 at 4% or $32,409 at 6%. |
| SOUTHERN PUMP & TANK COMPANY, LLC 401K PLAN | - | 199 | $7,479,384 | $886,707 | $4,456iApproximate average salary by contribution assumption: employee only about $111,395 at 4% or $74,264 at 6%; with 50% employer match about $74,264 at 4% or $49,509 at 6%; with 100% employer match about $55,698 at 4% or $37,132 at 6%. |
| Health Care Plan of Southern Pump & Tank Company LLC | - | 213 | - | - | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 222 | - | - | - |
| Group Life Plan | - | 228 | - | - | - |
| Reliance Standard Dental Plan | - | 174 | - | - | - |
| Section 125 Plan Premium Only, Southern Pump & Tank Co. LLC | - | 219 | - | - | - |
| 2005 | 3 | 271 | $0 | $0 | - |
| Long Term Disability Plan - Southern Pump & Tank Co. LLC | - | 194 | - | - | - |
| Reliance Standard Dental Plan | - | 271 | - | - | - |
| Group Life Plan | - | 220 | - | - | - |