Founded in 2002, this Cincinnati, Ohio company took most of the talent and
expertise when Custom Coasters Incorporated disbanded. Lawrence Bill, Chad Miller, Korey Kiepert,
and Michael Grahm worked on over 40 coasters before forming The Gravity
Group. After consulting on a few coasters, The Gravity Group began building their first
new coaster in 2004. As of 2019, they have built over two dozen coasters. Many of newer rides utilize Timberliner trains, rolling
stock built by The Gravity Group.
SBNO = Standing But Not Operating
FN = Former Name Roller Coaster Manufacturers and Designers:
[ abc rides |
ADG |
Arrow Development |
Arrow Dynamics |
Arrow-Huss |
ART Engineering |
Bailey |
Bitler |
Bolliger & Mabillard (B&M) |
Bradley & Kaye |
Caripro Rides |
Chance Rides |
Church |
Coaster Works! |
Cobb & Assoc. |
Custom Coasters International (CCI) |
D.P.V. Rides |
Dinn & Summers |
Drambour |
Fajume S.A. de C.V. |
Gerstlauer |
Giovanola |
Gravity Group |
Great Coasters International (GCI) |
Herschell |
Hopkins |
International Amusement Devices (IAD) |
International Coaster Corporation (ICC) |
Intamin AG |
Interpark |
Keenan |
Kings Entertainment Co. |
Knoebels |
KumbaK |
L&T Systems |
Mack |
Martin & Vleminckx |
Maurer-Sohne |
Meisho |
Miler Coaster Co. |
Miller |
Molina |
Morgan Manufacturing |
Moris |
National Amusement Devices (NAD) |
Overland |
Phare |
Pierce |
Pinfari |
Premier Rides |
Preston & Barbieri |
Philadelphia Toboggan Coasters (PTC) |
Philadelphia Toboggan Company (PTC) |
Princeton Machines |
Reverchon |
Rocky Mountain Construction |
Rogers |
Roller Coaster Corp. of America |
Rosser & Cobb |
Sangyo |
Sansei Yusoki |
Sartori Rides International |
SBF Visa Group |
Schiff |
Schwarzkopf |
SDC |
Senyo Kogyo |
Setpoint |
Sevier |
S&MC |
S&S Power |
S&S Sports |
S&S Worldwide |
Stricker |
Sunkid |
Taft |
TOGO International |
Vekoma |
Vettel, Andrew |
Vettel, Edward |
WED |
Wiegand |
Wisdom |
Zamperla |
Zierer ]
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Bordwalk Bullet - Kemah Boardwalk
Hades (FN) - Mt. Olympus
Hades 360 - Mt. Olympus
Ravine Flyer II - Waldameer
Roar-O-Saurus - Story Land
Switchback - ZDT's Amusement Park
Twister - Gröna Lund
Voyage - Holiday World
Wooden Warrior - Quassy
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= Removed from park
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