Houston, TX

Strategic Information Services Company

Pennzoil Exploration and Production Company

Inco Three Riverway, Inc.

Inco Apts., Inc.

Quaker Oil Corporation

Responsible Outdoor Education

Heritage Merchandising Co., Inc.

Pennzenergy Company

Greens Road Corporation

Inco Real Estate Company

Las Vegas, NV

Houston, TX

Infrastructure International Group

Prince George, VA

Shell Lubricants