| SYM | 24Symbols | | 29 | |
| ACM | A C Moore | | 8 | |
| AAP | AandP | Academic and Professional Book Center (HK) | 8 | |
| ADL | Adlibris | Only for use in ONIX 3.0 or later | 47 | |
| ACB | Akademibokhandeln | Only for use in ONIX 3.0 or later | 47 | |
| AKK | Akateeminen Kirjakauppa | Only for use in ONIX 3.0 or later | 47 | |
| ALB | Albertson’s | | 8 | |
| ALT | AlmaTalent | Only for use in ONIX 3.0 or later | 47 | |
| AMZ | Amazon | | 8 | |
| ANR | Angus and Robertson | | 8 | |
| ANB | Anobii | | 16 | |
| APA | Apabi | | 31 | |
| APC | Apple | | 8 | |
| ASD | Asda | | 8 | |
| ASB | Asia Books | | 31 | |
| AUD | Audible | | 8 | |
| AUC | Audiobooks.com | | 31 | |
| ATK | Audioteka | | 31 | |
| ELU | Axiell ELibU | Only for use in ONIX 3.0 or later | 56 | |
| BDL | B Dalton | Deprecated | 8 | 47 |
| BNO | Barnes and Noble | | 8 | |
| BDZ | BDBuzz | Only for use in ONIX 3.0 or later | 37 | |
| BBB | Bed Bath and Beyond | | 8 | |
| BST | Best Buy | | 8 | |
| BOD | Biblio-on-Demand | Only for use in ONIX 3.0 or later | 62 | |
| MMM | Bibliotheca | Formerly 3M Cloud Library | 31 | |
| BIL | Bilbary | Deprecated | 16 | 47 |
| BLG | Billigbook | Only for use in ONIX 3.0 or later | 47 | |
| BJW | BJ’s Wholesale Club | | 8 | |
| BLA | Blackstone Audio | | 31 | 58 |
| BLK | Blackwell’s | | 8 | |
| GOS | Blinkbox | Formerly GoSpoken/Mobcast. Deprecated | 16 | 47 |
| BGI | Bog & idé | Only for use in ONIX 3.0 or later | 59 | |
| BSK | Boksnok | Only for use in ONIX 3.0 or later | 57 | |
| BSY | Boksy | Only for use in ONIX 3.0 or later | 57 | |
| BKU | Bokus | Only for use in ONIX 3.0 or later | 47 | |
| BLD | Bolinda | Only for use in ONIX 3.0 or later | 41 | |
| BCA | Book Club Associates | | 8 | |
| BDO | Book d’oreille | Only for use in ONIX 3.0 or later | 59 | |
| BSL | Book Solutions | Only for use in ONIX 3.0 or later | 59 | |
| BOO | Bookbeat | Only for use in ONIX 3.0 or later | 47 | |
| BBI | Bookbites | Only for use in ONIX 3.0 or later | 58 | |
| BSH | Bookish | | 16 | |
| BMA | Bookmate | Only for use in ONIX 3.0 or later | 59 | |
| BKP | Bookpeople | | 8 | |
| BRB | Books Etc | Deprecated | 8 | 47 |
| BKM | Books-A-Million | | 8 | |
| BKS | Bookshout | | 31 | |
| BTP | Booktopia | | 29 | |
| BKY | Booky.fi | Only for use in ONIX 3.0 or later | 47 | |
| BRD | Borders | Deprecated | 8 | 47 |
| BRT | British Bookshops | Deprecated | 8 | 47 |
| CAI | Cairn | Only for use in ONIX 3.0 or later | 62 | |
| CDL | Casa del Libro | | 20 | |
| CDN | CDON.com | Only for use in ONIX 3.0 or later | 47 | |
| CEB | Ceebo | | 31 | |
| CFU | CFU Danmark | Only for use in ONIX 3.0 or later | 59 | |
| CHP | Chapter | Danish e-book retailer. Only for use in ONIX 3.0 or later | 59 | |
| CHD | Christianbook.com | | 16 | |
| CYM | Citymarket | Only for use in ONIX 3.0 or later | 47 | |
| CMX | Comixology | Only for use in ONIX 3.0 or later | 46 | |
| COP | Copia | Deprecated | 24 | 47 |
| CST | Costco | | 8 | |
| CRB | Crate and Barrel | | 8 | |
| CVS | CVS Drug Stores | | 8 | |
| CVM | CVS Mediatheques | www.cvs-mediatheques.com | 34 | |
| CYB | Cyberlibris | | 24 | |
| DAU | Daunt Books | Only for use in ONIX 3.0 or later | 63 | |
| DEM | De Marque | | 28 | |
| DSG | Dick’s Sporting Goods | | 8 | |
| DIL | Dilicom | | 27 | |
| DYM | Dymocks | | 8 | |
| EPA | E-Pagine | | 28 | |
| ERD | E-Reads | | 31 | |
| ELC | Early Learning Centre | | 8 | |
| ESN | Eason | | 8 | |
| EBC | Ebooks Corp | www.ebooks.com | 16 | |
| ECH | eChristian | Deprecated | 16 | 47 |
| ECI | El Corte Inglés | | 20 | |
| EKJ | E-kirjasto | Only for use in ONIX 3.0 or later | 66 | |
| ELE | Electre | | 21 | |
| ELB | Publizon | Formerly Axiell Elib.se | 16 | 63 |
| ELI | Elib Library | Only for use in ONIX 3.0 or later | 60 | |
| ELS | Elisa | Only for use in ONIX 3.0 or later | 47 | |
| ELK | Elisa Kirja Kuukausitilaus | Only for use in ONIX 3.0 or later | 52 | |
| ELL | Ellibs.com | Only for use in ONIX 3.0 or later | 47 | |
| EMP | Empik | | 16 | |
| ENH | English Heritage | | 8 | |
| EPC | Epic! | www.getepic.com | 33 | |
| ELN | Ereolen.dk | Only for use in ONIX 3.0 or later | 59 | |
| EVB | Everybook | Only for use in ONIX 3.0 or later | 59 | |
| FAI | FairyLoot | Only for use in ONIX 3.0 or later | 58 | |
| FDB | FeedBooks | | 21 | |
| FIN | Findaway | | 31 | |
| FSP | Fishpond | | 31 | |
| FLP | FlipKart | | 28 | |
| FNC | Fnac | | 16 | |
| FOL | Follett | | 28 | |
| FRY | Fry’s Electronics | | 8 | |
| GMS | Gamestop | | 8 | |
| GAR | Gardners | (as a retail platform). Only for use in ONIX 3.0 or later | 57 | |
| GLO | Glose | | 31 | |
| GOO | Google Books | | 16 | |
| HST | Hastings Entertainment | Deprecated | 8 | 47 |
| HMV | HMV | | 8 | |
| HMD | Home Depot | | 8 | |
| IMM | Immatériel.fr | | 24 | |
| IND | Indigo-Chapters | | 8 | |
| INF | Info.fi | Only for use in ONIX 3.0 or later | 58 | |
| ILT | Inläsningstjänst | Only for use in ONIX 3.0 or later | 55 | |
| IBS | Internet Bookshop Italia | Only for use in ONIX 3.0 or later | 38 | |
| IZN | Izneo | | 24 | |
| JAM | Jamera | Only for use in ONIX 3.0 or later. Deprecated | 58 | 64 |
| JBH | JB Hifi | | 31 | |
| JSM | John Smith and Son | | 8 | |
| KMT | K-Mart | | 8 | |
| KIP | KIPA | Only for use in ONIX 3.0 or later | 58 | |
| KID | Kirja&Idea | Only for use in ONIX 3.0 or later | 47 | |
| KPV | Kirjastopalvelu | Only for use in ONIX 3.0 or later | 47 | |
| KRJ | Kirja.fi | Only for use in ONIX 3.0 or later | 64 | |
| KNB | KNFB/Blio | | 17 | |
| KNO | Kno Inc | Deprecated | 16 | 47 |
| KBO | Kobo | | 16 | |
| KOO | Koorong | | 16 | |
| KOR | Kortext | | 31 | |
| KRG | Kroger | | 8 | |
| LDL | Lidl | Only for use in ONIX 3.0 or later | 60 | |
| LEG | Legible.com | Only for use in ONIX 3.0 or later | 55 | |
| LEX | Lexplore | Only for use in ONIX 3.0 or later | 64 | |
| LTP | Lehtipiste | Only for use in ONIX 3.0 or later | 47 | |
| LMB | LoadMyBook | Only for use in ONIX 3.0 or later | 58 | |
| LWE | Lowe’s | | 8 | |
| MAC | Mackin | | 31 | |
| MAG | Magzter | | 31 | |
| MNO | Maneno | Only for use in ONIX 3.0 or later | 59 | |
| MKS | Marks and Spencer | | 8 | |
| MAT | Matras | | 16 | |
| MMS | Media Markt/Saturn | Also known as Media World | 16 | |
| ADP | Messageries ADP | | 33 | |
| MCR | Microcenter | | 8 | |
| MSF | Microsoft | Only for use in ONIX 3.0 or later | 38 | |
| MOF | Mofibo | | 31 | |
| MRR | Morrisons | | 8 | |
| MTC | Mothercare | | 8 | |
| MYB | MyBoox | Deprecated | 21 | 47 |
| MYI | MyiLibrary | | 31 | |
| NTR | National Trust | | 8 | |
| NEX | NEXT | Only for use in ONIX 3.0 or later | 59 | |
| NXT | Nextory | Only for use in ONIX 3.0 or later | 47 | |
| NUM | Numilog | | 21 | |
| ODL | Odilo.us | Only for use in ONIX 3.0 or later | 55 | |
| OFD | Office Depot | | 8 | |
| OFM | Office Max | | 8 | |
| OLF | OLF | | 16 | |
| OVD | OverDrive | | 28 | |
| OYS | Oyster | Deprecated | 29 | 47 |
| PST | Past Times | Deprecated | 8 | 47 |
| PTS | Pet Smart | | 8 | |
| PTC | Petco | | 8 | |
| PIC | Piccoma | Only for use in ONIX 3.0 or later | 57 | |
| PLY | Play.com | | 8 | |
| POD | Podimo | Only for use in ONIX 3.0 or later | 58 | |
| POY | Podit Oy | Only for use in ONIX 3.0 or later | 54 | |
| POK | Pokkaritukku | Only for use in ONIX 3.0 or later. Deprecated | 47 | 58 |
| PTB | Pottery Barn | | 8 | |
| PLO | Publio | Publio.pl. Only for use in ONIX 3.0 or later | 65 | |
| RDB | Readbooks | Deprecated | 21 | 47 |
| RCL | ReadCloud | | 16 | |
| RST | Restoration Hardware | | 8 | |
| RET | Rethink | | 16 | |
| RTZ | Ritz Camera | | 8 | |
| RMB | RM Books | Deprecated | 31 | 47 |
| RBD | Rosebud | Only for use in ONIX 3.0 or later | 47 | |
| SGR | S Group | Only for use in ONIX 3.0 or later | 47 | |
| SAC | Sacrum | Only for use in ONIX 3.0 or later | 58 | |
| SAF | Safari | | 31 | |
| SFW | Safeway | | 8 | |
| SNS | Sainsbury’s | | 8 | |
| SAX | Saxo | Only for use in ONIX 3.0 or later | 59 | |
| SCR | Scribd | | 29 | |
| SLF | Selfridges | | 8 | |
| SEQ | Sequencity | | 35 | |
| SES | Sesamy | Only for use in ONIX 3.0 or later | 54 | |
| SBT | Shanghai Book Traders | | 31 | |
| SKB | Skoobe | | 24 | |
| SMW | SmashWords | | 26 | |
| SNY | Sony | | 16 | |
| SPO | Spotify | Only for use in ONIX 3.0 or later | 63 | |
| STP | Staples | | 8 | |
| STH | Storyhouse | Only for use in ONIX 3.0 or later | 59 | |
| STT | Storytel | | 31 | |
| SKK | Suomalainen Kirjakauppa | Only for use in ONIX 3.0 or later | 47 | |
| SPL | Suomalainen Plus | Only for use in ONIX 3.0 or later. Deprecated | 49 | 64 |
| SUP | Supla+ | Only for use in ONIX 3.0 or later. Deprecated | 50 | 64 |
| SSK | Suuri Suomalainen Kirjakerho | Only for use in ONIX 3.0 or later | 47 | |
| TRG | Target | | 8 | |
| TES | Tesco | | 8 | |
| TIK | TikTok Shop | TikTok’s in-app store. Only for use in ONIX 3.0 or later | 65 | |
| TOK | Tokmanni | Only for use in ONIX 3.0 or later | 58 | |
| TOL | Tolino | | 31 | |
| TSR | Toys ’R’ Us | | 8 | |
| TSO | TSO (The Stationery Office) | | 8 | |
| TKK | Turun kansallinen kirjakauppa | Only for use in ONIX 3.0 or later | 58 | |
| TXR | Txtr | Deprecated | 24 | 47 |
| UBH | Ugglan Bokhandel | Only for use in ONIX 3.0 or later | 47 | |
| VRG | Virgin Megastores | Deprecated | 8 | 47 |
| TEA | Vivlio | Formerly The Ebook Alternative | 21 | 59 |
| WHS | W H Smith | | 8 | |
| WTR | Waitrose | | 8 | |
| WLM | Wal-Mart | | 8 | |
| WST | Waterstone’s | | 8 | |
| WHT | Whitcoul’s | | 8 | |
| WLS | Williams Sonoma | | 8 | |
| WLW | Woolworths | | 8 | |
| YOU | Youboox | | 34 | |
| YSC | Youscribe | Only for use in ONIX 3.0 or later | 59 | |
| ZVV | Zavvi | Formerly Virgin Megastores (UK) | 8 | |
| PUB | Publisher’s own direct sales | Only for use in ONIX 3.0 or later | 51 | |
| ZZZ | Other | Include retailer name in <SalesOutletName> | 8 | |