J. Harmon Construction -

Tom Owens Designs Inc. - Big Bear, California

Vision Civil Engineering - Yucaipa, California

Dominick's Civil Engineering and Land Surveying - Red Bluff, California

Exeter Engineering - Exeter, California

Sierra Construction -

Sutton GEC -

Tall Tree Engineering, Inc - Willits, California

INF LLC - Azalea Park, Florida

Inverness Airport - Inverness, Florida