Get matched with top excavation major grading or resloping pros in your area

Established in 2024, Aventra Engineering Services Inc. (Aventra) (License #1133283) leverages more than four decades of collective expertise in structural engineering, seismic retrofitting, concrete infrastructure, and erosion control solutions. Our commitment to craftsmanship, transparent communication, and uncompromising standards drives every project, ensuring reliable, high–quality outcomes for public and private sector clients across California’s Bay Area. Founded by CEO Aryan Pakkhoo and his father, Vice President Manoochehr Pakkhoo, a seasoned construction professional, Aventra blends data‑driven strategy with hands‑on insight to keep structural integrity, safety, and efficiency at the forefront of every build. We uphold strict quality control, a safety‑first culture, and seamless collaboration among architects, contractors, and agencies from project inception through completion, delivering resilient structures that protect communities and budgets alike.

PANTOJA ENGINEERING AND EXCAVATION is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

G & Z Plumbing is a family owned business based in the Central Valley of California. We are happy to help our customers in any type of residential plumbing repair, service, or installation. We are here to help with water heater installs, drain cleaning, camera inspections, leak repairs, as well as remodeling and ADUs, to name a few. You can trust that your home is great hands with our staff having over 25 years of experience combined in the home building and service industry. It would be our pleasure to help you on your next project!

Demolition, Excavation, Limited Access Campbell Services is a Demolition, Excavation and Limited Access Company, operating throughout the San Francisco Bay Area with over 20 years of experience. We specialize in clearing the way for whatever project you have planned next.

Saturdays and Sunday available by appointment.

Blueline Engineering is a full service General and General Engineering Contractor, holding three license classifications A ( General Engineering ) B (General Building) and C-6 ( Cabinet and Millwork) . We have our own 7000ft facility for custom millwork, cabinets, and finishing. We pride ourselves on a "CAN DO" attitude and high quality finishes. With our staff of over 17 employees we can produce high end remodels and new custom homes with an aggressive timeline. Give us the opportunity to show you how enjoyable remodeling your home can be.

At Bay Area Drainage, Inc. customer satisfaction is a big part of our product. For new construction or retrofit, home or commercial, we build the finest systems. Our seasoned employees are committed to high quality workmanship. Team members have many years of experience building drainage systems.

Through our working history previous to establishing this company, our directors have gained valuable experience with many of the top developers and construction companies around the world: Spain, London, Nairobi, Prague, Amsterdam, Ireland and all over the States. We believe in working closely with our clients and contractors as members of a team in order to achieve a successful completion to every job. As throughout our working careers we believe in achieving very high standards in every job we take on making sure each client is fully satisfied with the end product and gets value for money. We are very flexible and adaptable to our clients needs which we feel is very important in today’s world. We pride ourselves on these standards. We are usually working on about 15-20 projects per year, ranging in size from about $20,000 to $10,000,000 in value typically within the luxury residential sector, sometimes involving working on listed buildings. Despite slowing economy, the amount of our clients have increased recently.