Here's the list of DIY dock kit suppliers that was featured in the June 2012 issue of Cabin Life. If you're trying to decide whether you should build your own dock, you can read more by clicking here.
Alumidock
Randolph, NY
(800) 532-3557
www.alumidock.com
Complete aluminum dock systems, kits, parts and accessories
Connect-A-Dock Inc.
Atlantic, IA
(877) 742-3071
www.connectadock.com
Complete floating dock systems, kits, parts and accessories
Dock Builders Supply
Gibsonton, FL
(800) 677-4710
www.dockbuilders.com
Complete docking systems, kits, parts, accessories
EZ Dock
Huntersville, NC
Monett, MO
(800) 654-8168
www.ez-dock.com
Complete docking systems, kits, parts, accessories; specialty docks for lifting boats & PWCs
FLOE International
McGregor, MN
(800) 336-6337
www.floeintl.com
Complete docking systems, kits, parts, accessories
Great Northern Docks
Naples, ME
(800) 423-4042
www.greatnortherndocks.com
Complete docking systems, kits, parts, plans, accessories
HydroHoist Boat Lifts
1-800-825-3379 www.boatlift.com
Boat Lift & PWC Docking Platform Specialist
Mod-U-Dock Inc.
Nashotah, WI
(877) 746-7056
www.modudock.com
Complete docking systems, kits, parts, accessories
Pier of D’Nort
St. Germain, WI
(715) 490-1294
www.pierofdnort.com
Complete aluminum dock systems, kits, parts and accessories
Porta-Dock
Dassel, MN
(320) 275-3312
www.porta-dock.com
Complete docking systems, kits, parts, accessories
Shoremaster Inc.
Fergus Falls, MN
(800) 328-8945
www.shoremaster.com
Complete aluminum dock systems, kits, parts and accessories; boat lift specialist
Tommy Docks
Wausau, WI
(866) 675-1880
www.tommydocks.com
Complete docking systems, kits, parts, accessories and plans/kits
Wahoo Docks
Gainesville, GA
(866) 532-8411
www.wahoodocks.com
Complete docking systems, kits, parts, accessories
Wave Armor
Maple Lake, MN
(320) 963-6480
www.wavearmor.net
Complete floating dock systems, kits, parts and accessories
Courtesy Great Northern Docks 
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