This industry comprises establishments primarily engaged in acting as principals (except investment bankers, securities dealers, and commodity contracts dealers) in buying or selling of financial contracts generally on a spread basis. Principals are investors that buy or sell for their own account. Illustrative Examples: Investment clubs Tax liens dealing (i.e., acting as a principal in dealing tax liens to investors) Mineral royalties or leases dealing (i.e., acting as a principal in dealing royalties or leases to investors) Venture capital companies Cross-References. Establishments primarily engaged in investment banking, securities dealing, securities brokering, commodity contracts dealing, or commodity contracts brokering are classified in Industry Group 5231, Securities and Commodity Contracts Intermediation and Brokerage.