| 75409849 | MAXPRO | Resources Engineering Systems, Inc. | 2249150 |
| 74601638 | SPUD-TO-PLUG | Resources Engineering Systems, Inc. | 1933145 |
| 75955863 | FINDPRO | Resources Engineering Systems, Inc. | 2714871 |
| 75575897 | COILPRO | Resources Engineering Systems, Inc. | — |
| 75427452 | REALPRO | Resources Engineering Systems, Inc. | 2262542 |
| 75166222 | FIELDPRO | Resources Engineering Systems, Inc. | 2103184 |
| 74614777 | TRANSPRO | Resources Engineering Systems, Inc. | 1946701 |
| 74601637 | PACK-FRAC | Resources Engineering Systems, Inc. | 1933144 |
| 74532875 | TOOLPRO | Resources Engineering Systems, Inc. | 1916138 |
| 74532874 | PORPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1921644 |
| 74532873 | ROCKPRO | Resources Engineering Systems, Inc. | 1921643 |
| 74532872 | GRAFPRO | Resources Engineering Systems, Inc. | 1938022 |
| 74532871 | G/O-PRO | Resources Engineering Systems, Inc. | 1901628 |
| 74532870 | FLOPRO | Resources Engineering Systems, Inc. | 1950229 |
| 74532869 | ECOPRO | Resources Engineering Systems, Inc. | 1923418 |
| 74532868 | COMPRO | Resources Engineering Systems, Inc. | 1909845 |
| 74532867 | ABCDRAW | Resources Engineering Systems, Inc. | — |
| 74413609 | STIMPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1839276 |
| 74413608 | DACPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1840389 |
| 74413607 | SANDPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1840388 |
| 74413606 | CEMENTPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1845426 |
| 74413605 | LOGPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1840387 |
| 74413604 | GEOPRO | RESOURCES ENGINEERING SYSTEMS, INC. | — |
| 74413603 | DRILLPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1840386 |
| 74413602 | DATAPRO | RESOURCES ENGINEERING SYSTEMS, INC. | — |
| 74413601 | ACIDPRO | RESOURCES ENGINEERING SYSTEMS, INC. | 1839275 |
| 74266181 | WELLPRO | Resources Engineering Systems, Inc. | 1804174 |
| 74088199 | RESPRO | Resources Engineering Systems, Inc. | 1686126 |
| 73677730 | FRACPRO | RESOURCES ENGINEERING SYSTEMS, INC. | — |
