Other equipment such as subsea wellheads are being constructed in other places around the world. Most diving work on wellheads and manifolds is installation and maintenance. Its products included electric submersible pumps (ESP), wellheads, trees and logging services. Throughout the city, fountains and wellheads were adorned with garlands. Eberhart's company, Canary, installs and services wellheads at drilling locations across the continental United States. The Xmas trees and wellheads are supplied by Vetco. Marnock produces directly to surface wellheads on the CPF. Produced water from the separation train is treated and flows to the water injection wellheads. Historic archaeological remains at the site include cabin foundations and multiple wellheads. Wellheads usually have a pressure rating of 5000 psi, 10,000 psi or 15,000 psi.