Lista Ordini Ingegneri d’Italia
| Ordine Ingegneri | Telefono | Fax | |
| AGRIGENTO | 0922-21594 | 0922-29092 |  |
| ALESSANDRIA | 0131-265714 | 0131-264042 | |
| ANCONA | 071-2075392 | 071-206845 | |
| AOSTA | 0165-236222 | 0165-236444 | |
| AREZZO | 0575-27730 | 0575-27730 | |
| ASCOLI PICENO | 0736-258143 | 0736-253925 | |
| ASTI | 0141-594133 | 0141-594133 | – |
| AVELLINO | 0825-36437 | 0825-780261 | |
| BARI | 080-5214171 | 080-5216303 | |
| BELLUNO | 0437-950349 | 0437-950438 | |
| BENEVENTO | 0824-314638 | 0824-314648 | |
| BERGAMO | 035-223234 | 035-235238 | |
| BIELLA | 015-22404 | 015-31664 | – |
| BOLOGNA | 051-235412 | 051-230001 | |
| BOLZANO | 0471-971818 | 0471-974546 | – |
| BRESCIA | 030-2294711 | 030-2294722 | |
| BRINDISI | 0831-526405 | 0831-528228 | |
| CAGLIARI | 070-499703 | 070-44370 | |
| CALTANISETTA | 0934-551860 | 0934-553195 | – |
| CAMPOBASSO | 0874-413796 | 0874-411082 | – |
| CASERTA | 0823-326204 | 0823-326204 | |
| CATANIA | 095-436267 | 095-448324 | |
| CATANZARO | 0961-747013 | 0961-743629 | |
| CHIETI | 0871-63826 | 0871-63054 | – |
| COMO | 031-269810 | 031-301807 | |
| COSENZA | 0984-790361 | 0984-790366 | |
| CREMONA | 0372-457675 | 0372-457147 | |
| CROTONE | 0962-29553 | 0962-29669 | – |
| CUNEO | 0171-698736 | 0171-695193 | |
| ENNA | 0935-25600 | 0935-25600 | – |
| FERRARA | 0532-207126 | 0532-248746 | |
| FIRENZE | 055-213704 | 055-2381138 | |
| FOGGIA | 0881-662001 | 0881-662343 | |
| FORLI’ – CESENA | 0543-376028 | 0543-21276 | |
| FROSINONE | 0775-872420 | 0775-871619 | |
| GENOVA | 010-593840 | 010-5536129 | |
| GORIZIA | 0481-534226 | 0481-534226 | |
| GROSSETO | 0564-27589 | 0564-417517 | |
| IMPERIA | 0184-530799 | 0184-530799 | |
| ISERNIA | 0865-415250 | 0865-415290 | |
| L’AQUILA | 0862-65959 | 0862-411826 | |
| LA SPEZIA | 0187-732768 | 0187-732768 | |
| LATINA | 0773-694208 | 0773-662628 | |
| LECCE | 0832-245472 | 0832-304406 | |
| LECCO | 0341-286107 | 0341-286794 | |
| LIVORNO | 0586-898746 | 0586-893015 | |
| LODI | 0371-430345 | 0371-432296 | |
| LUCCA | 0583-330627 | 0583-341449 | |
| MACERATA | 0733-233111 | 0733-234254 | |
| MANTOVA | 0376-323669 | 0376-368158 | |
| MASSA CARRARA | 0585-70466 | 0585-74511 | – |
| MATERA | 0835-388714 | 0835-388715 | |
| MESSINA | 0907-18107 | 0907-74415 | |
| MILANO | 02-76003731 | 02-76004789 | |
| MODENA | 059-223831 | 059-237166 | |
| NOVARA | 0321-628671 | 0321-35065 | |
| NUORO | 0784-36903 | 0784-230693 | |
| ORISTANO | 0783-310060 | 0783-310060 | – |
| PADOVA | 049-8760374 | 049-8761468 | |
| PALERMO | 091-6112822 | 091-6111492 | |
| PARMA | 0521-206097 | 0521-237462 | |
| PAVIA | 0382-22070 | 0382-530478 | |
| PERUGIA | 075-5001200 | 075-5001707 | |
| PESARO e URBINO | 0721-370079 | 0721-33043 | |
| PESCARA | 085-299206 | 085-4213310 | – |
| PIACENZA | 0523-338772 | 0523-338720 | |
| PISA | 050-554013 | 050-556166 | |
| PISTOIA | 0573-24383 | 0573-24383 | |
| PORDENONE | 0434-550250 | 0434-551229 | |
| POTENZA | 0971-442757 | 0971-441455 | – |
| PRATO | 0574-605010 | 0574-605010 | |
| RAGUSA | 0932-641870 | 0932-643266 | |
| RAVENNA | 0544-35680 | 0544-34666 | |
| REGGIO CALABRIA | 0965-23001 | 0965-23002 | |
| REGGIO EMILIA |
0522-436202 | 0522-455679 | |
| RIETI | 0746-203741 | 0746-203741 | – |
| RIMINI | 0541-52555 | 0541-52420 | |
| ROMA | 06-4818256 | 06-4817460 | |
| ROVIGO | 0425-21159 | 0425-29400 | |
| SALERNO | 089-224955 | 089-241988 | |
| SASSARI | 079-275551 | 079-275554 | – |
| SAVONA | 019-822678 | 019-822696 | |
| SIENA | 0577-41087 | 0577-41087 | |
| SIRACUSA | 0931-65826 | 0931-462196 | |
| SONDRIO | 0342-214583 | 0342-512582 | |
| TARANTO | 099-4526421 | 099-4526421 | – |
| TERAMO | 0861-247688 | 0861-247481 | |
| TERNI | 0744-403284 | 0744-431043 | |
| TORINO | 011-5622468 | 011-5621396 | |
| TRAPANI | 0923-554799 | 0923-554795 | |
| TRENTO | 0461-983193 | 0461-230286 | |
| TREVISO | 0422-583665 | 0422-56730 | |
| TRIESTE | 040-773690 | 040-773160 | |
| UDINE | 0432-505305 | 0432-503941 | |
| VARESE | 0332-232423 | 0332-289655 | |
| VENEZIA | 041-5289114 | 041-5228902 | |
| VERBANIA-CUSIO-OSSOLA | 0321-628671 | 0321-35065 | – |
| VERCELLI | 0161-213240 | 0161-213241 | – |
| VERONA | 045-8035959 | 045-8031634 | |
| VIBO VALENTIA | 0963-45875 | 0963-45875 | – |
| VICENZA | 0444-322947 | 0444-322947 | |
| VITERBO | 0761-399025 | 0761-399025 | |