From Business: O&G is Connecticut's largest privately-held building and heavy civil construction company and the State's premier supplier of asphalt, concrete, sand/stone and masonry products.

"Easy to deal with, incredible selection. I'm very satisfied with the experience."

From Business: O&G is Connecticut's largest privately-held building and heavy civil construction company and the State's premier supplier of asphalt, concrete, sand/stone and masonry products.

From Business: O&G is Connecticut's largest privately-held building and heavy civil construction company and the State's premier supplier of asphalt, concrete, sand/stone and masonry products.

From Business: Located in North Haven, Conn., Nicolock Paving Stones and Retaining Walls manufactures a complete line of interlocking concrete paving stones, architectural paving slabs,…

"I just have make some precast stones.those guys a very good.the make the product on time with no problems,no hassle,and the product come out beautiful my client was very…"

"I am very happy with the workmanship and my yard was clean when they were done, no debris was left on the job site."