Company Profile



POST COMPANY, founded 1981, provides all types of rough grading for commercial, industrial, residential, custom homes, public and private works. We serve our customers on projects throughout the Counties of Orange, Riverside and San Bernardino. No project is too large or too small, whether 1 acre or 1,000 acres. We are fully insured with an A.M. Best rating of A15projects. 

POST COMPANY has built a strong reputation throughout the industry for quality customer service, integrity, dependability and performance. Our company is built on nearly 35 years of family-owned experience. Dennis Post, President, continues a tradition of three generations in the grading business. It is our goal to lead our industry in emissions reductions. Therefore, we have heavily invested in Tier 3 and Tier 4 compliant equipment and will continue to stay on the leading edge of this technology. We also use the latest in digital information and GPS technology.

No project is too large or too small, whether 1 acre or 500 acres.


The “next generation” to our business. Dennis’ grandson, Evan Smith …img400_pic4900_producto_1170x554