| Squadra | Nazione | Anno | Direttore Sportivo | |
| 51 | Hengelo Cosmetics | NED | 1980 | - |
| 52 | Henninger - Aquila Rossa | ESP | 1980 | BARRUTIA ITURRIAGOITIA Antonio |
| 53 | Hensbergen Cyclorama | NED | 1980 | - |
| 54 | Hertekamp | BEL | 1980 | - |
| 55 | Hoonved - Bottecchia | ITA | 1980 | ZANDEGU Dino |
| 56 | Ijsboerke - Warncke Eis - Koga Mitaya | BEL | 1980 | GODEFROOT Walter, JOSSART Willy |
| 57 | Inoxpran | ITA | 1980 | - |
| 58 | Jacky Aernoudt Meubelen | BEL | 1980 | - |
| 59 | Jan Van Erp | NED | 1980 | - |
| 60 | John Atkins Cycles | GBR | 1980 | - |
| 61 | Kelme | ESP | 1980 | - |
| 62 | Keukens Mauri | BEL | 1980 | - |
| 63 | Kondor | RFA | 1980 | PUSCHEL Walter |
| 64 | KP Crisps - Viscount | GBR | 1980 | - |
| 65 | L. Manders Broer Garage - Beekmans | NED | 1980 | - |
| 66 | La Redoute - Motobecane | FRA | 1980 | CREPEL Philippe, EVERAERT Pierre, BRAECKEVELDT Josef |
| 67 | Lambrusco Giacobazzi | ITA | 1980 | - |
| 68 | Landisport | ITA | 1980 | - |
| 69 | Les Amis du Tour de France | FRA | 1980 | OUBRON Robert |
| 70 | Magniflex | ITA | 1980 | - |
| 71 | Man VW - Viking | GBR | 1980 | AUDAS Keith |
| 72 | Manzaneque | ESP | 1980 | MORENO CACHINERO Miguel |
| 73 | Marc - Iwc - V.R.D. | BEL | 1980 | LEFEVERE Patrick |
| 74 | Masta | BEL | 1980 | VAN DE VIJVER Arthur |
| 75 | Messina | FRA | 1980 | - |
| 76 | Meubelgigant Johan Franke | NED | 1980 | - |
| 77 | Midlet - Moser | GBR | 1980 | - |
| 78 | Miko - Mercier - Vivagel - Volvo | FRA | 1980 | DANGUILLAUME Jean-Pierre, QUENTIN Maurice |
| 79 | Mills - Pearson | GBR | 1980 | - |
| 80 | Miniflat - Vermeer Thijs - Galli | BEL | 1980 | SWERTS Roger, WILLEKENS Lucien |
| 81 | Mobel Marki - Rico | SUI | 1980 | - |
| 82 | Mobili San Giacomo - Benotto | ITA | 1980 | FRANCHINI Primo, MENICAGLI Carlo |
| 83 | Moducel | GBR | 1980 | - |
| 84 | Möbel Märki - Bonanza | SUI | 1980 | - |
| 85 | New Style Windows | GBR | 1980 | - |
| 86 | Owen - Blower | GBR | 1980 | - |
| 87 | P.J. De Wit Snacks | NED | 1980 | - |
| 88 | Panasonic - Shimano | CAN | 1980 | - |
| 89 | Pebble Mint | - | 1980 | - |
| 90 | Peugeot - Esso - Michelin | FRA | 1980 | DE MUER Maurice, NAEYE Robert |
| 91 | Peugeot Allemagne | - | 1980 | - |
| 92 | Peugeot Australie | AUS | 1980 | - |
| 93 | Pony | AUS | 1980 | - |
| 94 | Potgieter - Hoogwerker | NED | 1980 | - |
| 95 | Prodimex | RFA | 1980 | - |
| 96 | Puch - Campagnolo - Sem | FRA | 1980 | ALTIG Rudi, DE VRIES Serge, DE GRIBALDY Jean |
| 97 | Quelle - Mars | RFA | 1980 | - |
| 98 | Ramon | - | 1980 | - |
| 99 | Rauler - Gipiemme | GER | 1980 | LUKACEK Friedrich |
| 100 | Ravago | BEL | 1980 | - |
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