SDC Corporation

SDC, an Italian company, created a Galaxi line of coasters. They also built a few coasters marketed under the Hurricane name. The company's name is an acronym formed by the initial letters of each owners last name. Walter Spaggiari, Mack D. Duce, and Giancarlo Casoli. SDC was in business from the 1960s to 1993. After closing, many of its employees formed a new company, S&MC.
Hurricane (M) - Adventureland
Hurricane - Race City PCB
Hurricane (M) - Santa Cruz Beach Boardwalk
Galaxi - Cliff's Amusement Park
Galaxi* (R) - Funtown Splashtown USA
Galaxi - Indiana Beach
Galaxi - Palace Playland
Galaxi - Riverview Park
Galaxi - Sylvan Beach Amusement Park
Hurricane - Western Playland
Nightmare Mine (R) - Frontier City
Nightmare Mine* (R) - Frontier City
Orange Blossom Special* (FN &R) - Frontier City
Screamer* (FN & R) - Frontier City
Serpent - Kokomo's Family Fun Center
Super Screamer* (R) - Adventureland
Thunderbolt (M) - Celebration City
Windstorm - Fun Forest

SBNO = Standing But Not Operating FN = Former Name
M = Moved to another park R = Removed from park
* = Information only, no pictures

Roller Coaster Manufacturers and Designers: