Gerry Johnson und Brian Cook gründeten 1983 das Unternehmen JC Composites in Kingstone in der Grafschaft Herefordshire. Sie begannen mit der Produktion von Automobilen und Kits. Der Markenname lautete u. a. Wyvern. 1985 endete die Produktion. Hawk Associates aus Hereford in Herefordshire setzte die Produktion bis 1986 unter Beibehaltung des Markennamens fort. Insgesamt entstanden etwa 105 Exemplare.[2]
Im Angebot stand nur ein Modell. Ein Fahrgestell aus Stahl bildete die Basis. Darauf wurde eine Karosserie aus Fiberglas montiert. Das offene Fahrzeug im Stil der 1930er Jahre bot Platz für 2 + 2 Personen. Motoren vom Vauxhall Viva mit 1256 cm³, 1599 cm³, 1759 cm³, 1975 cm³ oder 2279 cm³ Hubraum sowie von Ford standen zur Verfügung. Der Neupreis für einen Bausatz betrug 1660 Pfund im Mai 1985.
Aktuelle Marken: Adam's | Aeon | AK | AM | Arash | Ariel | Arkley | ASD | ASM | Asquith (seit 1981) | Asquith (seit 1985) | Aston Martin | Autotune | BAC | Beauford | Bentley | Blackjack | Blaze | Blitzworld | Bounty | Bowler | BRA | Brooke | Buckland | Bugle | Caburn | Caterham | Chesil | Cobretti | Crendon Replicas | CWR | Dakar | Dare | Darrian | David Brown | Dax | Deronda | DNA | Doon | Dutton | Eclipse | Elysee | ERA | Europa | Exact | Extreme | Flite | Foers | Ford | Foreman | FRS | Furore | Gardner Douglas | GBS | Gentry | Gibbs | Ginetta | GKD | GP | Grinnall | Hawk | HDS | Healy | Hoppa | Image | Imperial | Jaguar | JAS | JBA | JH | Jimini | JZR | Kellforms | King | Kingfisher Kustoms | Kougar | Land Rover | Lenham | Liege | Lister | Listerbell | Locust | Lomax | Lotus | LTI | Lynx | Lynx AE | Mac | Mac #1 | Madgwick | Maelstrom | Manx | McLaren | MEV | Midas | Midge | Midland Classic | Minari | Mini | Minus | Mirach | MK | MNR | Morgan | MR 2 Kits | Noble | Onyx | Parallel | Peel | Pembleton | Pilbeam | Pilgrim | Procomp | Prowler | Quantum | Radical | Ram | Renegade (seit 1970) | Renegade (seit 2008) | RKC | Roadrunner | Rolls-Royce | Ronart | RS | RSK | Sammio | Scamp | Searoader | Sidewinder | Simod | Sin | Spire | Storm Warrior | Stuart Taylor | Supersnake | Sylva | Technic | Tempest | Thruxton | Tifosi | Tiger | Toniq | Tornado | Tribute | Triking | Turismo | Tushek | TWRR | Ultima | Vauxhall | Vincent | Volksrod | Vortex | Wam | Westfield | Xanthos | Zenos
Ehemalige Marken nach 1945: 356 Sports | AB 1 | AB Performance | ABC | ABS | AC | AD | Adams | ADJ | Adrenaline | AF (1971–1980) | AF (1987–2005) | Africar | AGM | AKS | Albany | Albo | Aleat | Alfa | Alfastyl | Allard (1935–1960) | Allard (1994–1997) | Allora | Altair | Alto (1983–1988) | Alto (1985–1998) | Alvis | Amalfi | Andersen | Anglebug | Animoto | Aquarius | Aquila | ARA | Argson | Argyll | Aries | Armstrong Siddeley | Arnott | Arteesi | Ascari | Ashley | Astra | Atlantis | Auriga | Ausfod | Austin | Austin-Healey | Autech | Auto Milan | Auto Speciali | Autobee | Autobodies | Autocom | Autocult | AVA | Avante | AVC | Avelle | AWE | Ayrespeed | BAD Design | Baja | Bamby (1983–1985) | Bamby (2011–2021) | Bandit | Banham | Barabus | Barchetta | Barrett | Beach Buggy | Beaman | Beardalls | Beardmore | Beaujangle | Beaver | Bedford | Bedouin | Bell Performance | Berkeley (1956–1961) | Berkeley (1991–2002) | Bertini | Bilmar | Biota | Birchfield | BM | BMA | Bohanna Stables | Bonallack | Bond | Bonito | Bradford | Bradley | Brightwheel | Bristol | Brit | Britannia | Britton | Broadbest | Broadspeed | Brockmore | Brooker | Brookland | Brookwell | Broomstick | BS | BSA | Buckler | Bullock | Burlington | Buroche | Butterfield | BWE | Calvy | Camber | Cambridge | Candy Apple | Cannon | Caparo | Carbodies | Caribbean | Carisma | Carlton | Carson | Cavallo | CC | CCT | Centaur | Cerity | CHAD | Challemoe | Challenger | Cheetah | Chevron | Chrysler | Citroën | CK | Clan | Classic Chassis Services | Classic English Racing Automobiles | Classic Replicas (1989–2002) | Classic Replicas (2002–2005) | Classic Sports Cars | CN | Cobra Sports | Coldwell | Conan | Concordette | Connaught (1949–1957) | Connaught (2005–2016) | Convair | Cool Car 500 | Cooper | Copycats | Coram | Cornish Classic Cars | Coronet | Corry | Costin (1970–1972) | Costin (1990–2010) | Country Volks | Covin | Cox | CPC | CRS | CSC | CTR | Custom Glassfibre | Cyana | Cygnet | Daimler | Dante | Dash | Davrian | De Bruyne | Deanfield | Deauville | Deep Sanderson | Deetype | Delfino | Delkit | Dellow | DeLorean | Delta | Deltayn | Deon | Dezina | Dial | Diva | DMS | Dominator | Domino | Dorian | Douglas | Dragonfly (1981–1986) | Dragonfly (1994–1995) | Dreambird | Dri-Sleeve | DRK | Dunsmore | Durow | Dutton | DVT | Eagle | Eaglet | EB | Ecosse | Edge | EEC | EG | Eldon | Elva | Embeesea | Emery | Emmbrook | Encore | Enfield | English Cars of Distinction | Enzo Design | EPC | ERA | Euro 427 | Eurosport | Evanta | Evante | Evolution (1993–1999) | Evolution (2005–2006) | EWM | Excalibur | Fairlite | Fairthorpe | Falcon (1958–1964) | Falcon (1984–2002) | Farbio | Farboud | Fergus | FES | FF | Fieldmouse | Fiero Factory | Fletcher | Fleur de Lys | Formula 27 | Foulkes | Fourstyle | Frazer Nash | Freestream | Freestyle | Frenette | Frisky | Frogeye | Futura | Gaia | Gazelle | GB (1969–1974) | GB (1986–1988) | GCS | GD-XM | GE | Gecko | Genie | Gilbern | Gilcolt | Gill | Gitane | Glenfrome | Gnat | Gordano | Gordon (1954–1958) | Gordon (1960) | Gordon-Keeble | Gozzy | GPB | Grand Illusions | Grantura | Gravetti | Gregori | Griffin | Griffon | Group Six | GRS | GS | GSM | GT | GTD (1983–2004) | GTD (1984–1985) | GTM | GTS | Guyson | Hacker | Hadleigh | Haldane | Hamblin | Harbron | Harding | Harrington & King's | Hazelcar | Healey (1946–1954) | Healey (1998–2000) | Hensen | Heritage Replicas | Heron | HGM | Hi-Tech | Hillcrest | Hillman | HMC | Househam | HRG | Hudson | Humber | Humming Bird | Hustler | Hutson | Interstyl | Invacar | Invader | Invicta (1925–1949) | Invicta (1982–1984) | Invicta (2004–2012) | Invicta Replicas | Iota | Ipi | ISH | JAG | Jago | Jarc | Javan | JBM | JC | Jeffrey | Jenard | Jensen | Jensen-Healey | Jimi Jimp | Johnard | Jowett | JPC | JPR | Kaig | Kamala | Kara | KD | Keith | Kendall | Kenmar | Kestrel (1984–1985) | Kestrel (1984–1988) | KF | Khaleej | Kieft | Killeen | Kilo | King | Kingfisher | Kingfisher Mouldings | Kirk | Kübelwagen | Kudos | Kustom | KVA | Kyote | L & R | Lagonda | Lambert | Lamberti | Lanchester | Land Ranger | Landar | Larini | Larmar | Latham | Lawrence | LCD | Le Mans | Lea-Francis | Leaping Cats | Legend | Legendary | Lemazone | Leopard Craft | Lester-MG | Light Car Company | Lightning | Limited Edition | Lindy | Litton | Lloyd | LMB | LMC | Locost | Lola | Lucas | Luego | Lynx | Lyonheart | Magenta | Magnum | Mahcon | Malibu | Mallalieu | Mallock | Malone | Mamba | Manta | Manx | Marauder | Marcos | Margin | Markham-Peasey | Marlin | Martyni | Masterco | Maya | MC | MCA | McCandless | McCoy | MCR | MCW | MDA | Melling | Mercury | Merlin | Metaline | Metisse | MFE | MG | Microdot | Micron | Microplas | Middlebridge | Midtec | Midway | Minijem | Minion | Minotaur | Mirage | Moons | Morford | Morris | Mosquito (1974–1987) | Mosquito (1989–1993) | Moss | Motorville | Mountaineer | MR Z | Mumford | Murad | Murtaya | Muscle City | Mutant | Navajo | Naylor | NCF | Nelco | Nelson | NG | Nickri | Nimbus | Nimrod | Nobel | Nordec | Nostalgia | Nova | Nymph | Nyvrem | O & C | Ogle | Opperman | Opus (1966–1972) | Opus (1998–1999) | Overlander | Owen | PACE | Panache | Panic | Panther | Parabug | Paramount | Parradine (1987–1991) | Parradine (1998–2005) | Pashley | Pastiche | Peerless | Pell | Pelland | Peregrine | Phantom | Phoenix (1983–1986) | Phoenix (1997–1999) | Phoenix (1998–1999) | Pike | Piper | PKA | Powerbug | Powerdrive | Predator | Prestige | Princess | Probe | Proteus | Prova | Pulsar (1978–1982) | Pulsar (1984–1987) | Python | Quasar-Unipower | Racecorp | Radbourne | Raffo | Railton | Ranger | Rat | Raw | Rawlson | Razer | Razor | RBM | RD 1 | Reflex | Regent | Regis | Reliant | Replicar | Replicator | Reselco | RGS Atalanta | Rhino | Rickman | Rico | Riley | RLT | RMB | RML | RNW | Roamer | Robin Hood | Rochdale | Rodley | Rotor | Rotrax | Rover | Royale (1980–1990) | Royale (1991–2001) | RS Jigtec | RT | Russon | RV | RW | S & J | Sabre | Safir | Sagesse | Sandbach | Sandwood | Saturn | Savant | Saxan | Scamp | Schuppan | Scootacar | Scorhill | Scorpion (1965) | Scorpion (1972) | Scorpion (1979–1981) | Scott Ellis Racing | Scottish Replicars & Classics | Scout | SD | SDR | Seagull | Seaspray | Sebring | Sem | Seraph | Seta | Shapecraft | Shark | Shawspeed | Sheen | Sheffield | Sheldonhurst | Shelsley (1983–1984) | Shelsley (2000–2005) | Sherpley | Sherwood | Shirley | Sienna | Silhouette (1970–1978) | Silhouette (1987–1989) | Silurian | Singer | Siva (1969–1976) | Siva (1970–1976) | Skip | Skyspeed | SN | Southern | Southern Roadcraft | SP | Spartan | SPD | Specframe | Spectre (1994) | Spectre (1994–2009) | Speedex | Spirit | SPM | Sports Car Services | Spyder | Spyder 550 Motors | Squire | SR | Stafford | Stanbury | Standard | Status | Steadman | Stealth | Sterling | Stevens | Stimson | Stimulator | Stinger | Strada | Strathcarron | Street Beetle | Suffolk | Summerfield | Sun | Sunbeam | Sunbeam-Talbot | Super (1957–1965) | Super (1981–1987) | Sutol | Swallow | Swift | T & A | T & J | T 5 | TA | Talon | Tara | Taydec | Teal | TI | Tici | Tippen | TKH | TMC | Tornado | Tourette | Townend | Trac | Tramp | Transformer | Trevor Farrington | Tri-Tech | Triad | Trident | Trimin | Trio | Tripacer | Tripos | Triton | Triumph | Trojan | Troll | Turner (1951–1966) | Turner (2003–2012) | TVR | TWM | TX | Tyler | Typhoon | Ufo | Unicorn | Unipower | UVA | Vanden Plas | Vario | Venom | Veranti | Vi-Car | Viking (1966) | Viking (1980–1983) | Vindicator | Vintage | Virago | Viscount | Voodoo | Voyager | VPR | Vulture | Warwick | Wasp | Watford | Watling | Westbourne | Westpole | Whitby | White Rose | Winchester | Wizard | WMC | Wolseley | Worsley | WSM | Wyvern | Xener | Yak | YKC | Zealia | Zero | Zita