Waldemar S. Nelson & Company - Engineers and Architects. Wide range of specialties including Civil/Structural, Environmental, and Mechanical. - http://www.wsnelson.com/
Petronyx - Consulting engineering services in mechanical, civil/structural, process safety management, E & I and construction management. - http://www.petronyx.com
OPE International, L.P. - Engineering and construction services to the oil and gas industry. - http://www.opeinc.com
Collarini Engineering - Reservoir and production engineers,geologists, and geophysicists especially experienced in producing property evaluation, including 3-D seismic. - http://www.collarini.com