Sub-Zero Excavating, Inc. is a Southern California based corporation that employs only the most skilled and qualified operato ... rs, laborers, estimators, and project managers, and views their intellectual capital as our greatest and most enduring asset. Our estimators use state of the art programs to assist them with their bids, while our field crew is equipped with the highest quality machinery. With safety as our number one priority, Sub-Zero takes every precaution to create a safe work environment at every site. The company takes pride in every job we do and completes every project with integrity in quality and efficiency. read more