| organization |
| id | name | url | has_dict |
| the organization code | the name of the organization | a url for the organization | does the organization publish well log tool and curve dictionaries |
| 0 | Subcommittee On Recommended Format For Digital Well Data, Basic Schema | | 0 |
| 1 | Operator | | 0 |
| 2 | Driller | | 0 |
| 3 | Mud Logger | | 0 |
| 9 | Amerada Hess | http://www.hess.com | 0 |
| 10 | Analysts, The | | 0 |
| 15 | Baker Hughes Inteq | | 1 |
| 20 | Baroid | | 0 |
| 30 | Birdwell | | 0 |
| 40 | Reeves (1 Jan 99; formerly BPB) | http://www.reeves-wireline.com | 0 |
| 50 | Brett Exploration | | 0 |
| 60 | Cardinal | | 0 |
| 65 | Center Line Data | | 0 |
| 66 | Subcommittee On Recommended Format | | 0 |
| 70 | Century Geophysical | | 0 |
| 77 | CGG Logging, Massey France | | 0 |
| 80 | Charlene Well Surveying | | 0 |
| 90 | Compagnie de Services Numerique | | 0 |
| 95 | Comprobe | | 0 |
| 100 | Computer Data Processors | | 0 |
| 110 | Computrex | | 0 |
| 115 | COPGO Wood Group | | 0 |
| 120 | Core Laboratories | | 0 |
| 125 | CRC Wireline, Inc. | | 0 |
| 126 | Crocker Data Processing Pty Ltd | http://www.crockerdata.com.au | 0 |
| 127 | Davis Great Guns Logging, Wichita, KS. | | 0 |
| 130 | Digigraph | | 0 |
| 137 | Digital Logging Inc., Tulsa, OK. | | 0 |
| 140 | Digitech | | 0 |
| 145 | Deines Perforating | | 0 |
| 148 | Drillog Petro-Dynamics Limited | http://www.drillogpdl.com/ | 0 |
| 150 | Baker Atlas (formerly Dresser Atlas) | | 1 |
| 160 | Earthworm Drilling | | 0 |
| 170 | Electronic Logging Company | | 0 |
| 180 | Elgen | | 0 |
| 190 | El Toro | | 0 |
| 200 | Empire | | 0 |
| 205 | Encom Technology, Ltd. | | 0 |
| 206 | Ensigh Geophysics, Ltd. | | 0 |
| 210 | Frontier | | 0 |
| 215 | Geolog | | 0 |
| 217 | Geoshare | http://www.geoshare.org | 0 |
| 218 | GEO·X Systems Ltd. | | 0 |
| 220 | G O International | | 0 |
| 230 | Gravilog | | 0 |
| 240 | Great Guns Servicing | | 0 |
| 250 | Great Lakes Petroleum Services | | 0 |
| 260 | GTS | | 0 |
| 268 | Guardian Data Seismic Pty. Ltd. | | 0 |
| 270 | Guns | | 0 |
| 280 | Halliburton Logging | | 1 |
| 285 | Horizon Production Logging | | 0 |
| 290 | Husky | | 0 |
| 300 | Jetwell | | 0 |
| 305 | Landmark Graphics | http://www.lgc.com/ | 0 |
| 310 | Lane Wells | | 0 |
| 315 | Logicom Computer Services (UK) Ltd | http://www.luk.net | 0 |
| 320 | Magnolia | | 0 |
| 330 | McCullough Tool | | 0 |
| 332 | Mitchell Energy Corporation | | 0 |
| 335 | Paradigm Geophysical (formerly Mincom Pty Ltd) | | 0 |
| 337 | MR-DPTS Limited | | 0 |
| 338 | NRI On-Line Inc | | 0 |
| 339 | Oilware, Inc. | | 0 |
| 340 | Pan Geo Atlas | | 0 |
| 342 | Pathfinder Energy Services | http://www.pathfinderlwd.com | 0 |
| 345 | Perfco | | 0 |
| 350 | Perfojet Services | | 0 |
| 360 | Perforating Guns of Canada | | 0 |
| 361 | Petcom, Inc. | http://www.petcominc.com | 0 |
| 362 | Petroleum Exploration Computer Consultants, Ltd. | | 0 |
| 363 | Petrologic Limited | | 0 |
| 366 | Phillips Petroleum Company | | 0 |
| 370 | Petroleum Information | | 0 |
| 380 | Petrophysics | | 0 |
| 390 | Pioneer | | 0 |
| 392 | The Practical Well Log Standards Group | http://www.posc.org/workprgm/wellloggingProj.html | 0 |
| 395 | IHS Energy Log Services (formerly Q. C. Data Collectors) | http://www.IHSLogNet.com | 0 |
| 400 | Ram Guns | | 0 |
| 410 | Riley's Datashare | | 0 |
| 418 | RODE | | 0 |
| 420 | Roke | | 0 |
| 430 | Sand Surveys | | 0 |
| 440 | Schlumberger | | 1 |
| 450 | Scientific Software | | 0 |
| 460 | Seismograph Service | | 0 |
| 462 | SEGDEF | | 0 |
| 463 | SEG Technical Standards High Density Media Format Subcommittee | | 0 |
| 464 | Shell Services Company | | 0 |
| 465 | Stratigraphic Systems, Inc. | | 0 |
| 467 | Sperry-Sun Drilling Services | | 0 |
| 468 | SEPTCO | | 0 |
| 469 | Sercel, Inc. | | 0 |
| 470 | Triangle | | 0 |
| 480 | Welex | | 0 |
| 490 | Well Reconnaissance | | 0 |
| 495 | Wellsite Information Transfer Specification (WITS) | | 0 |
| 500 | Well Surveys | | 0 |
| 510 | Western | | 0 |
| 520 | Westronics | | 0 |
| 525 | Winters Wireline | | 0 |
| 530 | Wireline Electronics | | 0 |
| 540 | Worth Well | | 0 |
| 560 | Z & S Consultants Limited | | 0 |
| 999 | *** Reserved for local schemas *** | | 0 |
| 1000 | POSC | http://www.posc.org | 1 |