Essex Concrete Corporation has top quality concrete and has been developing mix designs for residential and commercial jobs since, 1965. Our quality control department has over 50 years of experience. We operate 7 plants, use state-of-the-art Command Alkon Technology Software for all our concrete batching; to ensure our customers are getting precisely what they order. Our managers are ACI certified and are leaders in the concrete industry. In its basic form ready mix concrete is a mixture of sand, stone, gravel, cement and water.