Metlab - Wyndmoor, PA (Serving Southern New Jersey)
Custom Manufacturer
Black oxide or black oxidizing finishing, processing & treatment services. Black oxide treatment features ability of thin parts to withstand bending stretching & handling. Black oxide finishing is suitable for coating all component surfaces such as fasteners, machined & stamped components, gun & ammunition, tools & dies, power tool components, automotive parts, exercise weights, electronic hardware & architectural finishing.
www.metlabheattreat.com/black-oxide-treatme...

Black Oxide Finishes Capabilities
	Black Oxide Treatment

T R B Electro Corp. - Paterson, NJ
Service Company
Full service ISO 9001 certified metal finishers. Services include: passivating, hard coat, hard, sulfuric & chromic anodizing, zinc plating, anodic & chemical conversion coating, electro galvanizing, nickel, high phosphorous, bright & PTFE impregnation electroless nickel, black oxide, chemical film, yellow iridite service
www.trbandarn.com/Black_Oxide.php