3TC, Inc.
Business profileC corporation
Public business information with links to supporting state records. Data as of October 16, 2026.
Business profile
- Legal business name
- 3TC, Inc.
- Alternative and DBA names
- Kelmark Corporation
Kelmark Graphics, Inc.
Print SourceShow all 4 names ↓
Test Prep Seminars, Inc. - Entity type
- C corporation
- Original incorporation date
- September 20, 1979
- Time in business
- 47 years
- Jurisdiction count
- 1
All known addresses
2665 Clubhouse Dr, Marion, IA 52302
Listed in Iowa
Registered states
View linked public registration records.
Source: public state registration records. Missing values are not a negative finding.