Great support, outstanding service and a beautiful product! This is the only company in San Diego I found that offered a certified Black Oxide service. I contacted them and filled out their...
Black Oxide Service
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Black Oxide Service, established in 1979 and recognized as an environmentally aware company, specializes in uniform black coatings for ferrous metals such as steel, stainless steel, copper, and brass. The company has earned accolades for its commitment to environmental compliance, receiving the San Marcos Chamber of Commerce Award for 100% Environmental Pre-Treatment Program Compliance for three consecutive years.
Focusing on applications that require no dimensional change and reduced light reflection, Black Oxide Service provides high-quality coatings that withstand rigorous testing, including 260 hours of salt spray exposure for stainless steel. The company emphasizes a structured quoting process, requiring customers to complete a questionnaire to receive accurate estimates for their services.
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Reviews

Quality of my steel parts was absolutely amazing! Recommend this family business for all Steel and Stainless products!!
These guys are easy to deal with, provide incredible service and do it all for a reasonable rate. What more could anyone ask? This is why we always work with them, whenever possible, because no...
Thank you Black Oxide Service for your excellent customer service and your "Above & Beyond" assistance with our orders. We have been doing business with BOS for over 15 years and they continue...

We have done business with them for a number of years and when the daughter took it over, the customer service went downhill almost immediately. We sent our driver in to drop off our parts and...
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