| İLİ | OSB ÜNVANI | TELEFON NO | FAKS NO | SİCİL |
| ADANA | Adana Hacı Sabancı OSB | 322-394 33 37-38 | 322-394 32 18 | 130 |
| AFYONKARAHİSAR | Afyonkarahisar OSB | 272-221 14 65 | 272-221 14 67 | 143 |
| AKSARAY | Aksaray OSB | 382-266 22 88 | 382-266 22 90 | 149 |
| ANKARA | Anadolu OSB | 312-354 83 43 | 312-354 47 52 | 210 |
| ANKARA | Ankara Sanayi Odası I. OSB | 312-267 00 00 | 312-267 00 09 | 5 |
| ANKARA | Başkent OSB | 312-641 68 61 | 312-641 68 69 | 171 |
| ANKARA | İvedik OSB | 312-395 62 62 | 312-332 00 49 | 47 |
| ANKARA | OSTİM OSB | 312-385 50 90 | 312-354 58 98 | 155 |
| ANKARA | Polatlı OSB | 312-626 50 02 | 312-626 50 07 | 160 |
| ANTALYA | Antalya OSB | 242-258 11 00 | 242-258 11 04 | 194 |
| BALIKESİR | Balıkesir OSB | 266-281 10 10 | 266-281 10 11 | 55 |
| BİLECİK | Bilecik I. OSB | 228-216 00 00 | 228-216 00 06 | 131 |
| BURSA | Bursa Ticaret ve Sanayi Odası OSB | 224-243 15 00 | 224-243 21 54 | 7 |
| BURSA | Demirtaş OSB | 224-261 00 40 | 224-261 00 43 | 112 |
| BURSA | Gürsu OSB | 224-271 51 82 | 225-271 51 84 | 188 |
| BURSA | İnegöl OSB | 224-714 86 00-08 | 224-714 86 09 | 187 |
| BURSA | Kestel OSB | 224-373 06 51 | 224-373 06 52 | 220 |
| DENİZLİ | Denizli OSB | 258-269 10 02 | 258-269 10 01 | 10 |
| ESKİŞEHİR | Eskişehir OSB (I,II,II) Müdürlüğü | 222-236 00 35 | 222-236 01 29 | 138 |
| GAZİANTEP | Gaziantep OSB | 342-337 11 01 | 342-337 13 71 | 78 |
| HATAY | Antakya OSB | 326-213 02 41 | 326-215 10 10 | 113 |
| İÇEL | Mersin Tarsus OSB | 324-676 42 67 | 324-676 43 17 | 111 |
| İSTANBUL | Beylikdüzü OSB | 212-875 16 37 | - | 202 |
| İSTANBUL | Boya ve Vernik OSB | 212-294 51 98 | 212-294 52 00 | 13 |
| İSTANBUL | İkitelli OSB | 212-549 26 46 | 212-549 26 42 | 196 |
| İSTANBUL | İstanbul Deri OSB | 216-394 14 80 | 216-394 14 79 | 3 |
| İSTANBUL | İstanbul Dudullu OSB | 216-365 74 03-04 | 216-420 44 15 | 170 |
| İSTANBUL | Tuzla Mermerciler OSB | 216-593 00 00 | 216-593 00 09 | 9 |
| İZMİR | Aliağa OSB | 232-463 23 94-463 21 38 | 232-463 35 11 | 62 |
| İZMİR | Buca Ege Giyim OSB | 232-453 55 75 | 232-453 40 72 | 198 |
| İZMİR | İzmir Atatürk OSB | 232-376 71 76 | 232-376 71 00 | 70 |
| İZMİR | İzmir Kemalpaşa OSB | 232-878 88 53-54 | 232-878 81 44 | 191 |
| KARABÜK | Karabük OSB | 372-412 76 79 | - | 135 |
| KAYSERİ | Kayseri I OSB | 352 321 11 00 | 352-321 11 00 | 107 |
| KOCAELİ | Gebze OSB | 262-648 48 48 | 262-648 48 22 | 1 |
| KOCAELİ | Kocaeli Gebze Dilovası OSB | 262-754 91 68 | 262-754 64 78 | 204 |
| KOCAELİ | Kocaeli Gebze IV (İst. Makine İmalat San) OSB | 216-455 88 68 | 216-455 88 72 | 89 |
| KOCAELİ | Kocaeli Gebze Plastikçiler OSB | 262-751 10 34 | 262-751 10 37 | 44 |
| KOCAELİ | Kocaeli Gebze VI(İMES) OSB | 216-466 87 40 | 216-466 87 41 | 66 |
| KOCAELİ | TOSB-TAYSAD OSB | 262-658 95 15 | 262-658 97 46 | 75 |
| KONYA | Konya Birinci OSB | 332-239 01 56 | 332-248 93 51 | 159 |
| KONYA | Konya II OSB | 332-239 01 56-57 | 332-239 01 56-57 | 42 |
| MANİSA | Manisa Ticaret ve Sanayi Odası OSB | 236-233 18 16 | 236-233 31 53 | 30 |
| MANİSA | Manisa Turgutlu I. OSB | 236-314 69 69 | 236-313 11 38 | 128 |
| MANİSA | Salihli OSB | 236-713 97 09 | 236-713 15 90 | 103 |
| NİĞDE | Niğde OSB | 388-225 01 71 | 388-225 01 73 | 125 |
| TEKİRDAĞ | Çerkezköy OSB | 282-758 11 56-57 | 282-758 11 60 | 12 |
| TEKİRDAĞ | Çorlu Deri OSB | 282-686 23 10 | 282-686 37 29 | 37 |
| TRABZON | Trabzon Arsin OSB | 462-711 37 17 | 462-711 25 22 | 61 |
| UŞAK | Uşak OSB | 276-266 71 71 | 276-266 71 72 | 91 |