Manufacturers we know about

Name	Only makes components
24seven
333Fab
3G
3rd Eye	✓
3rensho
3T
45North	✓
4ZA	✓
6KU
9 zero 7
A2B e-bikes
Aardvark	✓
ABI	✓
Abici
A-bike
Abus	✓
Accelerade	✓
Accell
Access
A-Class	✓
Acros	✓
ACS	✓
Acstar
Adams (Trail a bike)
Adolphe Clément
Adventure Medical Kits	✓
Advocate
Aegis
Aerofix Cycles
Affinity Cycles
AGang
AheadSet	✓
Airborne
Aladdin	✓
ALAN
Alcyon
Alex	✓
Alexander Leutner & Co.
Alienation	✓
Alien Bikes
Alite Designs	✓
All City
Alldays & Onions
Alliance
Allied Cycle Works	✓
Alton
American Bicycle Group
American Classic	✓
American Machine and Foundry
American Star Bicycle
AMF
Amoeba
And	✓
Andiamo	✓
Answer BMX	✓
Apache Bicycles
Apollo
Aquamira	✓
Aqua Sphere	✓
Arai	✓
Ares
Argo Cargo Bike
Argon 18
Asama
Assos	✓
Atala
Atomlab
Author
Avalon
Avanti
Aventón
Avid	✓
AXA	✓
Axiom	✓
Axle Release	✓
Azonic
Azor
Aztec	✓
Azub
Azzuri
Bacchetta
Backpacker's Pantry	✓
Backward Circle
Badger Bikes
Bahco	✓
Bailey
Bakfiets
Baladeo	✓
Bamboocycles
Banjo Brothers	✓
Banshee Bikes
Bantam (Bantam Bicycle Works)
Bar Mitts	✓
Barracuda
Basso
Batavus
Bazooka
BBF
BBG Bashguard	✓
BCA
Bearclaw Bicycle Co.
Beater Bikes
beixo
Bell	✓
Bellwether	✓
Benelli
Benno
Benotto
BeOne
Bergamont
Bertin
Bertoni
Bertucci	✓
BH Bikes (Beistegui Hermanos)
Bianchi
Bickerton
Bicycle Research	✓
Big Agnes Inc	✓
Big Cat Bikes
Big Shot
Bike4Life
Bike-Aid	✓
BikeE recumbents
Bike-Eye	✓
Bike Fit Systems	✓
Bike Friday
Bike Guard	✓
Bike Mielec
Bike-O-Vision	✓
Bike Ribbon	✓
Bikes Belong	✓
Bikeverywhere	✓
Bilenky Cycle Works
Biomega
BionX	✓
Birdy
Biria
Birmingham Small Arms Company
Bishop
Blackburn	✓
Black Diamond	✓
Black Heart Bike Co
Black Market
Black Mountain Cycles
Black Sheep Bikes
Blix
Blue (Blue Competition Cycles)
Blue Sky Cycle Carts
BMC
Boardman Bikes
BOB	✓
Bobbin
BodyGlide	✓
Boeshield	✓
Bohemian Bicycles
Bombtrack
Bondhus	✓
Bonk Breaker	✓
BONT	✓
Bontrager
Boo Bicycles
Boreal
Borealis (Borealis Fat Bikes)
Boreas Gear	✓
Borile
Bottecchia
Boulder Bicycles
BOX	✓
Brand-X	✓
Brannock Device Co.	✓
Brave Soldier	✓
Breadwinner
Breakbrake17 Bicycle Co.
Breezer
Brennabor
Bridgestone
Brilliant Bicycle
Brinks Locks	✓
British Eagle
Broakland
Brodie
Broke Bikes
Brompton Bicycle
Brooklyn Bicycle Co.
Brooks England LTD.	✓
Brother Cycles
Browning
Brunswick Corporation
Brush Research	✓
BSA
BSD	✓
BSP
b'Twin
Budnitz
Buff	✓
BULLS Bikes
Burley	✓
Burley Design
Bushnell
Buzzy's	✓
Caffelatex	✓
Calcott Brothers
Calfee Design
California Springs	✓
Caloi
Camelbak	✓
Camillus	✓
Campagnolo	✓
Campion Cycle Company
Cane Creek	✓
Canfield Brothers
Cannondale
Canyon bicycles
Cardiff	✓
Carmichael Training Systems	✓
Carrera bicycles
Carrol Cycles
CatEye	✓
Catrike
Cayne
CCM
CDI Torque Products	✓
Centurion
CeramicSpeed	✓
Cero
Cervélo
CETMA Cargo
Chadwick	✓
Challenge	✓
Charge
Chariot
Chase
Chater-Lea	✓
Checker Pig
Chicago Bicycle Company
Chris King	✓
Christiania Bikes
Chromag
CHUMBA USA	✓
Cicielios
Cicli Barco
Cicli Olympia
Cielo
Cignal
Cilo
Cinelli
Ciocc
Circa Cycles	✓
Citizen Bike
City Bicycles Company
Civia
Clark-Kent
Claud Butler
Clean Bottle	✓
Cleary Bikes
Cloud Nine	✓
Club Roost	✓
Coboc
Colnago
Colony
Colossi
Columbia
Columbus Tubing
Commencal Bikes
Co-Motion
Competition Cycles Services	✓
Concord Recreation
Condor
Conex	✓
Conor
Continental	✓
Contour Sport	✓
Convercycle
Cook Bros. Racing
Cooper Bikes
Corima
Corratec
Cortina Cycles
Cove
Craft	✓
Crank2
Crank Brothers	✓
Crazy Creek	✓
Create
Creme Cycles
Crescent Moon	✓
Crew
Critical Cycles
CRUD
Crumpton
Crust Bikes
Cruzbike
CST	✓
Cube
CueClip	✓
Cuevas
Cult
Currie Technology (Currietech)
Currys
Curtlo
Custom	✓
CVLN (Civilian)
CX Tape	✓
Cyclamatic
CycleAware	✓
Cycle Dog	✓
Cycle Force Group
CycleOps	✓
CyclePro
Cycles Fanatic
Cycles Follis
Cycles Toussaint
Cycle Stuff	✓
Cycleurope
Cyclo	✓
Cycloc	✓
Cyfac
CygoLite	✓
Cyrusher
Cytosport	✓
Da Bomb Bikes
Daccordi
Dahon
DAJO	✓
Dartmoor
Davidson
Dawes Cycles
DEAN
DeBernardi
Decathlon
Deco
Deda Elementi	✓
DeFeet	✓
de Fietsfabriek
Deity
Della Santa
Del Sol
Delta	✓
Deluxe	✓
Demolition	✓
Den Beste Sykkel
Dengfu
Derby Cycle
Dermatone	✓
Dero	✓
De Rosa
DeSalvo Cycles
Detroit Bikes
Deuter	✓
Devinci
Devron
DHS
Dia-Compe	✓
Diadora
Diamant
Diamondback
DiaTech	✓
Di Blasi Industriale
Dicta	✓
di Florino
DIG BMX	✓
Dillenger
Dimension	✓
DirtySixer
Discwing
DK Bikes
DMR Bikes
DNP	✓
Dobermann
Dodici Milano
Dolan
Donnelly
Dorel Industries	✓
DOST
Downtube
Drag
DT Swiss	✓
Dualco	✓
Dual Eyewear	✓
Dynacraft
Dynamic Bicycles
Dyno
DYU
DZ Nuts	✓
Eagle Bicycle
Eagles Nest Outfitters	✓
EAI (Euro Asia Imports)
Eastern
Easton	✓
Easy Motion
EBC
Ebisu
E-Case	✓
E. C. Stearns Bicycle Agency
Eddy Merckx
Edinburgh Bicycle Co-operative	✓
eFlow
EG Bikes (Metronome)
EGO Movement
EighthInch
EK USA	✓
Electra
Electric Bike Technologies
Elevn Technologies	✓
Elite SRL
Elliptigo
Ellis
Ellis Briggs
Ellsworth
EMC Bikes
Emilio Bozzi
Encore
Enduro	✓
Endurox	✓
Energizer	✓
Engin Cycles
Enigma Titanium
ENVE (ENVE Composites)	✓
Epic	✓
Ergon	✓
Erickson Bikes
Esbit	✓
Esge Kickstands	✓
ESI	✓
e*thirteen	✓
Europa
Evans Cycles
Evelo
Eveready	✓
Evil
Evo
EVS Sports	✓
Excess Components	✓
Exustar	✓
Ezee
eZip
EZ Pedaler (EZ Pedaler electric bikes)
Factor
Faggin
Failure
Fairdale
Fairlight
Falco Bikes
Falcon
Fanatik
Faraday
Fast Wax	✓
Fatback
Fat City Cycles
Fausto Coppi
FBM
Federal
Felt
Fetish
Fezarri
FiberFix	✓
Fiction	✓
Field
Finish Line	✓
Finite	✓
Firefly Bicycles
Firefox
Firenze
Firmstrong
First Endurance	✓
Fit bike Co.
Fizik	✓
Fleet Velo
Fleetwing
FLX
Flybikes
Flying Pigeon
Flying Scot
Flyxii
Focale44
Focus
Foggle	✓
Fokhan
Folmer & Schwing
Fondriest
Forge Bikes
Formula
Fortified
Foundry Cycles
Fox
Fram
Framebuilder Supply
FRAMED
Frances
Francesco Moser (F. Moser)
Freddie Grubb
Free Agent
Freedom
Freeload	✓
Free Spirit
Frog bikes
FSA (Full Speed Ahead)	✓
FuelBelt	✓
Fuji
Fulcrum	✓
Fyxation
Gamut	✓
Gardin
Garmin	✓
Garneau
Gary Fisher
Gates Carbon Drive	✓
Gateway	✓
Gavin
Gazelle
Gear Aid	✓
Gear Clamp	✓
Gear Up	✓
Geax	✓
Gendron Bicycles
Genesis
Genuine Innovations	✓
GenZe
Geotech
Gepida
Gerard
G-Form	✓
Ghost
Giant (and LIV)
Gilmour
Gineyea	✓
Giordano
Gitane
Glacier Glove	✓
Gladiator Cycle Company
Globe
GMC
Gnome et Rhône
Gocycle
GoGirl	✓
Golden Cycles
Gomier
Gordon Hill
Gore	✓
Gorilla bikes
Gormully & Jeffery
Grabber
Graber	✓
Grab On	✓
Graflex
Granite Gear	✓
Gravity
Greenfield
Green Light Cycle Ltd.
Greenspeed
Growler Performance Bikes
G Sport	✓
GT Bicycles
GU	✓
Gudereit
Guerciotti
Guerrilla Gravity
Gunnar
Guru
Habanero
Haibike
Hallstrom
Halo	✓
Hammer Nutrition	✓
Hampsten Cycles
Handsome Cycles
Handspun	✓
Hanford
Hardrocx
Haro
Harry Quinn
Harvey Cycle Works
Hasa
Hase bikes
Hayes	✓
HBBC (Huntington Beach Bicycle, Co)
Head
Headsweats	✓
HED	✓
Heinkel
Helkama
HERCULES // Fahrräder & E-Bikes
Hercules Rodeado
Heritage
Herkelmann
Hero Cycles Ltd
Heron
Hetchins
Hexlox	✓
High Gear	✓
Highland	✓
Hija de la Coneja
Himiway
Hinton Cycles
Hiplok	✓
Hirschfeld
Hirzl	✓
Hobson Bicycle Seats	✓
Hoffman
Holdsworth
Hollandia
Honey Stinger	✓
Hope	✓
Hornit
House of Talents	✓
Hozan	✓
H Plus Son	✓
HP Velotechnik
HubBub
Hudz	✓
Huffy
Hufnagel
Humangear	✓
Humber
Humble Frameworks
Hunt Bike Wheels	✓
Hunter
Hurricane Components	✓
Hurtu
Hutchinson	✓
Hydrapak	✓
Hyper
Ibera	✓
IBEX
Ibis
ICan Cycling
IceToolz	✓
Ice Trekkers	✓
ICE Trikes (Inspired Cycle Engineering)
Ideal Bikes
Identiti
iGo Electric Bikes
Incredibell	✓
Independent Fabrication
Industrieverband Fahrzeugbau
Industry Nine	✓
Infini	✓
Inglis (Retrotec)
Innerlight Cycles
Innova	✓
Inspired
Intekin	✓
Intense
IRD (Interloc Racing Design)	✓
Iride Bicycles
IRO Cycles
Ironhorse Bicycles
Iron Horse Bikes
Islabikes
ISM	✓
Issimo Designs	✓
Italvega
Itera plastic bicycle
Iver Johnson
Iverson
IZIP
Izumi	✓
Jagwire	✓
Jamis
Jandd	✓
Jan Janssen
Javelin
JMC Bicycles
Joey
John Cherry bicycles
John Deere
Johnny Loco
Jorg & Olif
JP Weigle's
Juiced Bikes
Juliana Bicycles
K2
Kalkhoff
Kalloy
Katadyn	✓
Kazam
KBC	✓
k.bedford customs
K-Edge	✓
Kelly
Kellys Bicycles
Kenda	✓
Kent
Kestrel
Kettler Alu-Rad
Kettler USA
KHS Bicycles
Kinesis
Kinesis Industry
Kinetic	✓
Kink
Kinn
Kirk
Kish Fabrication
Klein Bikes
KMC	✓
Knog	✓
Knolly
Koga-Miyata
Kogel	✓
Kogswell Cycles
Kona
Kool Kovers	✓
Kool-Stop	✓
Kreitler	✓
Kron
Kronan
Kross SA
Kryptonite	✓
KS	✓
KTM
Kuat	✓
Kuota
Kustom Kruiser
Kuwahara
KW Bicycle
Land Shark
Lapierre
Larry Vs Harry
Lattis	✓
Laurin & Klement
Lazer	✓
LDG (Livery Design Gruppe)
Leader Bikes
Lectric Cycles
Lectric eBikes
Legacy Frameworks
Leg Lube	✓
LeMond
Leopard
Lezyne	✓
Light and Motion	✓
Light Bicycle	✓
Light My Fire
Lightning Cycle Dynamics
Lightspeed
Linka	✓
Linus
Liotto (Cicli Liotto Gino & Figli)
LiteLok	✓
Litespeed
Liteville
Liv
Lizard Skins	✓
Loctite	✓
Loekie
Lonely Planet	✓
Look
Lotus
Louison Bobet
LOW//
Lynskey
M2S Bikes
Madsen
Madwagon
Magellan
Magna
Magnum Bikes
Malvern Star
Mango
Manhattan
Manitou	✓
ManKind
Mantis
Map Bicycles
Maraton
Marin Bikes
Marinoni
Mars Cycles
Marson
Maruishi
Marukin
Marzocchi	✓
Masi
Mason Cycles
Master Lock	✓
Matra
Maverick
Mavic	✓
Maxcom
Maxit	✓
Maxxis	✓
MBK
MEC (Mountain Equipment Co-op)
Meiser	✓
Melon Bicycles
Mercian Cycles
Mercier
Merida Bikes
Merit Bikes
Merlin
MetaBikes
Metrofiets
Micajah C. Henley
Micargi
Miche	✓
Michelin	✓
MicroShift	✓
Miele bicycles
Mikkelsen
Milwaukee Bicycle Co.
Minoura	✓
MirraCo
Mirrycle	✓
Mission Bicycles
Miyata
Mizutani
MKS	✓
MMR
Modolo	✓
Momentum
Monark
Mondia
Mondraker
Mongoose
Montague
Montra
Moots Cycles
Mosaic
Moser Cicli
Mosh
Mosso
Moth Attack
Motiv
Motobecane
Moulden
Moulton Bicycle
Mountain Cycles
Mountainsmith
MRP	✓
Mr. Tuffy	✓
MSR	✓
Mucky Nutz	✓
Muddy Fox
Murray
Müsing (Muesing)
Mutant Bikes
Mutiny
MVMT Bikes
M-Wave	✓
Nakamura
Naked
Nantucket Bike Basket Company	✓
Nashbar
Nathan	✓
National
Native
NCM eBikes
Neil Pryde
Nema
NEMO
Neobike
New Albion
New Balance
Next
Niner
Nirve
Nishiki
Nite Ize	✓
NiteRider	✓
Nitto	✓
Nokian	✓
Nokon	✓
Nomad Cargo
Norco Bikes
Nordlicht	✓
Normal Bicycles
Norman Cycles
Northrock
North Shore Billet	✓
Novara
NS Bikes
Nukeproof
NuVinci	✓
Nymanbolagen
Obed
ODI	✓
Odyssey	✓
OHM
O'Leary
Olmo
Omnium
One Way	✓
OneWheel
OnGuard	✓
On-One
Onway
Opel
OPEN
Optic Nerve	✓
Optimus
Opus
Orange Bikes
Orbea
Orbit
Orfos	✓
Orient Bikes
Origin8
Ortlieb	✓
O-Stand	✓
Other
Otis Guy
Ottolock	✓
Oury	✓
OutGo	✓
Oval Concepts	✓
Owl 360	✓
Oyama
Oyma Power
Ozone
Pace Sportswear	✓
Pacific Cycle
Pake
Panaracer	✓
Panasonic
Paper Bicycle
Parkpre
Park Tool	✓
Parlee
Pasculli
Pashley Cycles
Patria
Paul	✓
PDW	✓
Pearl Izumi	✓
Pedego
Pedersen bicycle
Pedro's	✓
Pegasus
Pegoretti
Penguin Brands	✓
Penhale Bicycle Co.
Pereira
Performance
Peugeot
Phat Cycles
Phillips Cycles
Phil Wood	✓
Phoenix
Pilen
Pinarello
Pinhead	✓
Pinnacle
Pitlock	✓
Pivot
Planet Bike	✓
Planet X
Pletscher	✓
Po Campo	✓
Pogliaghi
Polar	✓
Polygon
Pope Manufacturing Company
Portland Design Works	✓
Power Grips	✓
PowerTap	✓
Premium
Prevelo
Price
Primo	✓
Primus Mootry
Princeton Tec	✓
Principia
Priority Bicycles
Private Label
Problem Solvers	✓
Procycle Group
Prodeco Tech
Profile Design	✓
Profile Racing	✓
ProGold	✓
Prologo	✓
Promax	✓
Propain
Prophete
Pro-tec	✓
P Tec
PUBLIC bikes
Puch
Pure Fix Cycles
Python
Python Pro
QBP
Quadrant Cycle Company
Quest
Quintana Roo
QWIC
Rabeneick
RaceFace	✓
Racktime	✓
Radio Bike Co
Radio Flyer
Rad Power Bikes
Ragley
Raleigh
Ram
Rambler
Rans Designs
Rapide
Ratking
Rat Rod Bikes
RavX	✓
Rawland Cycles
Razor
Redline
Redlof
Redshift
REI
Reid
René Herse	✓
Renthal	✓
Republic
Reserve	✓
Resist	✓
Retrospec
Revelate Designs	✓
Ribble
Ridgeback
Ridley
Riese und Müller
RIH
RIH Sport Amsterdam
Ritchey
Ritte
Rivendell Bicycle Works
Roadmaster
Roberts Cycles
Robin Hood
Rock Lobster
RockShox	✓
Rocky Mountain Bicycles
Rocky Mounts	✓
Rodeo Adventure Labs
Rodriguez
Rohloff
Rokform	✓
Rola	✓
Roll Bicycle Company
Rosko
Ross
Rossignol
Rossin
Rover Company
Rowbike
Royal
Royce Union
RSD
RST
Rudge-Whitworth
Ryde	✓
Sage Titanium Bicycles
Salsa
Salt BMX
Samchuly
Sancineto
Sanderson
Santa Cruz
Santana Cycles
Saracen Cycles
Saris	✓
Satori	✓
Sava
Scania AB
Scapin
Scattante
SC Bicycles
Schindelhauer
Schlage	✓
Schwalbe	✓
Schwinn
SCOTT
SDG	✓
Seal Line	✓
Sears Roebuck
Season
Seattle Sports Company	✓
SeatyLock	✓
SE Bikes
Sekai
Sekine
Selle Anatomica	✓
Selle Italia	✓
Selle Royal	✓
Selle San Marco	✓
Sense
Serfas	✓
Serotta
Sette
Seven Cycles
Shadow Conspiracy
Shelby Cycle Company
Sherpani	✓
Shimano
Shinola
Shogun
Shredder
Sidi	✓
Sigma	✓
Sigtuna	✓
Silca	✓
Silverback
Simcoe
Simplon
Simson
Sinclair Zike
Sinz	✓
Six-Eleven
SixSixOne	✓
sixthreezero
Skinz	✓
SKS	✓
Skyway
Slime	✓
SLS3	✓
S & M
Sohrab Cycles
Solé (Sole bicycles)
Solex
Soma
Somec
Sondors
SON Nabendynamo (Wilfried Schmidt Maschinenbau)	✓
Sonoma
Soulcraft
Source
Spalding Bicycles
Sparta
Specialized
Spectrum
Speedfil	✓
Speedplay	✓
Speedvagen
Speedwell bicycles
Spicer
SpiderTech
Spooky
Spot
Sprintech	✓
Spurcycle	✓
Squire	✓
SRAM	✓
SR Suntour
Stages
Staiger
Stålhästen
Standard Byke
Standert
Stanley
Stanridge
Stan's No Tubes	✓
START
State Bicycle Co.
Steadyrack	✓
Stealth Electric Bikes
Steelman Cycles
Stein	✓
Stein Trikes
Stelber Cycle Corp
Stella
Stem Captain	✓
Sterling Bicycle Co.
Stevens
Stevenson Custom Bicycles
Steve Potts
Stinner
Stoemper
Stolen Bicycle Co.
Stooge Cycles
Strada Customs
Stradalli Cycles
Straitline	✓
Strawberry Bicycle
STRiDA
Strider
Stromer
Strong Frames
St. Tropez
Sturmey-Archer	✓
Subrosa
Suelo
Sugino	✓
Sun
Sunday
Sunn
SunRace	✓
SUNringlé	✓
Supercross
Supercycle
Supernova Bikes
Supernova Lights	✓
Superpedestrian	✓
Surface604
Surly
Surrey
Suunto	✓
Swagman	✓
Sweetpea Bicycles
Swingset
Swobo
SyCip
Syncros	✓
Syntace
Tacx	✓
Takara
Talisman Bikes
Tamer	✓
Tangent Products
Tange-Seiki	✓
Tati Cycles
Taylor Bicycles (Paul Taylor)
Tec Labs
Tektro	✓
Tern
Terra Trike
Terrible One
Terrot
Terry
TET Cycles (Tom Teesdale Bikes)
The Hive	✓
Thesis Bike
TH Industries	✓
Thomson	✓
Thorn Cycles
Throne Cycles
Thruster
Thule
TI Cycles
TI Cycles of India
TiGr	✓
Timbuk2	✓
Time
Tioga
Titan
Titus
Token	✓
Tokyobike
Tomac
Tommasini
Tommaso
Tony Hawk
Topeak	✓
Torelli
TorHans	✓
Torker
Total BMX
Tour de France
Tout Terrain
Toyo
Track and Trail
Traitor
Transit
Transition Bikes
TranzX	✓
Trayl
Tree	✓
Trek
Tribe Bicycle Co
Trik Topz	✓
Trinx
Triumph Cycle
TRP	✓
TruVativ	✓
Tubasti	✓
Tubus
Tufo	✓
Tunturi
Turin
Turner Bicycles
Twin Six
TwoFish	✓
Umberto Dei
Unior	✓
Univega
Unknown
Upland
Upstand	✓
Urago
Urban Arrow
Urban Bike
VAAST
Valdora
Van Dessel
Van Herwerden
VanMoof
Vassago
Vee Rubber	✓
Velo
Vélo Bolton
Velocity	✓
Velomotors
Velo Orange
Velorbis
Veloretti
VéloSoleX
Velo Vie
Velox	✓
Verde
Versa	✓
Via Velo	✓
Vicini
Vilano
Villy Customs
Vincero Design	✓
Vindec High Riser
Viner
Virtue
Viscount
Vision
Vista
Vittoria Shoes and Helmets	✓
Vittoria Tires	✓
Vitus
Viva
Vivente
Volae
Volagi
Volume
Voodoo
Vortrieb
VP Components	✓
VSF Fahrradmanufaktur
Vtuvia
Vuelta	✓
Wabi Cycles
Wahoo	✓
Wald	✓
Walking Bird	✓
Waterford
Wdnsdy
Weehoo
WeeRide
Weinmann	✓
Wellgo	✓
WeThePeople
Wheels Manufacturing	✓
Wheelsmith	✓
Whirlwind
Whisky Parts Co
Whispbar	✓
White Bros	✓
White Industries	✓
White Lightning	✓
Wilier
Willworx	✓
Windsor
Winora
Winter Bicycles
Witcomb Cycles
Wittson
Wolf Tooth Components	✓
Woom
WordLock
WorkCycles
Worksman Cycles
Wraith Fabrication
Wright Cycle Company
WTB (Wilderness Trail Bikes)
Xds
X-Fusion	✓
X-Lab	✓
Xootr
Xpedo	✓
Xtracycle
X-Treme
Yakima	✓
Yaktrax	✓
Yamaguchi Bicycles
Yamaha
Yeti
YST	✓
YT
Yuba
Zigo
Zinn Cycles
Zipp	✓
Zoom Balance Bike
Zycle Fix

OH NO! We're missing a manufacturer?

That's not actually surprising, there are a bunch.

Give us a heads up in a comment below.