Mullen Circle Brand was founded in 1912 and continues to provide the highest quality industrial lubricants, metalworking fluids, rust preventives, and cleaners to industry.

Metalworking coolants, lubricants and cleaners as well as application equipment, mixers and filtration.

Global supplier of specialty chemicals for the plating & metal finishing industries as well as accredited laboratory testing & analysis services for environmental compliance, technical consulting, plant bath, trace metals, waste water, and training.