In August 2001, the Company was acquired by Headwaters Incorporated (HDWR â NASDAQ) and is now a subsidiary of Headwaters. Hydrocarbon Technologies Inc (HTI) has capabilities in the characterization of petroleum-based oils, coals, coal-derived liquids, and catalysts. In addition to the standard ASTM test procedures, HTI has also developed special test procedures for coal and waste-derived liquids in support of its research and development activities. Hydrocarbon Technologies Inc has 3 subsidiaries: Chemsampco Inc., Hydrocarbon Environmental Technologies Inc Both in The US and Hydrocarbon Technologies Inc(CANADA)