Welded Steel Storage Tank Solutions
safe and reliable
We deliver above-ground welded steel storage tanks with unmatched quality and safety, guiding you from design to installation with union labor resources.
Call ATC Today: (949) 455-2682
Why You Can't Afford Not to Use ATC
At ATC, we don’t just build welded steel tanks, we deliver precision results—safely. We understand the unique challenges of high-standard industries where safety, compliance, and efficiency are non-negotiable.
Union Contractor and Signatory
We are proud to be a union contractor and signatory to the Boilermakers Union, strictly complying with SB-54 regulations and Project Labor Agreements.
Unwavering Safety Standards
Our union-trained workforce follows stringent safety protocols to protect your project and your people. Continual improvement is our goal.
Guaranteed Regulation Compliance
With our Welder Qualifications and certifications like ASME, AWWA, and API, you can rest assured your project meets the highest industry standards.
Cost-Efficiency Without Compromise
We manage fabricationand engineering in-house, eliminating third-party markups and delivering competitive pricing.
Expert Full Service Team
Our expert team ensures seamless project execution with precision, quality, and tailored solutions at every step.
Proven Track Record
With over 25 years of experience in the field, we have a proven track record of delivering reliable, high-quality results on time and within budget.
Above Ground, Welded Steel Storage Tank Services
Our in-house fabrication capabilities, paired with support from our sister companies, allow us to produce every tank component without relying on third parties. This ensures top-notch quality and competitive pricing from day one.
If your project has anything to do with welded steel storage tanks, chances are we can help and offer trusted guidance. Call our office at 949-455-2682 to discuss.
- New Tank Construction
We design and construct a wide range of tanks, adhering to industry standards and offering solutions tailored to diverse storage needs.
- Tanks built to API 650, AWWA, and Stainless Steel standards
- Capabilities from 20’ to 300’ diameters
- Open-top, TES, external & internal floating roof, cone, dome, and umbrella roof tanks
- Shop Fabrication Facilities & Services
Comprehensive Steel Tank Fabrication Under One Roof
- Strong partnerships with sister companies for end-to-end solutions
- Civil work and foundation design included
- Faster timelines and minimized disruptions
- Plate Processing
Precision Steel Plate Cutting and Forming For Welded Storage Tanks
- Advanced equipment for high accuracy and consistency
- Enhanced structural integrity and durability for welded tanks
- Shop and Field Abrasive Blasting and Coating
Durable Protective Finishes for Tanks, In-Shop or On-Site.
- Advanced abrasive blasting for optimal surface preparation
- Enhanced lifespan and reliability of storage tanks
- Civil Construction
Expert civil construction services, including tank foundations, ring walls, and dike walls.
- High-quality materials for structural durability
- Tailored solutions for new builds and upgrades
- Seal Work
Our expert team can perform repairs during inspections to minimize downtime and keep your tanks operating at peak performance.
- Regulatory Compliance: Inspection and reporting to meet industry standards
- New Seal Installation: High-quality seals for durability and leak prevention
- Geodesic Aluminum Dome Roof
Floating roof seal inspections, installations, and repairs, ensuring compliance and minimizing downtime.
- In-service and out-of-service regulatory inspections and reporting
- Repair of seals and aluminum floating roof appurtenances
- Tank Repair and Maintenance
Tailored tank repair and maintenance solutions, from bottom replacements to foam system servicing
- Floating roof and roof drain repairs
- Comprehensive maintenance and repair programs
- In-House Design, Engineering & Drafting
Our in-house Engineering and Drafting services streamline project timelines and enhance construction efficiency.
- Seamless communication between design and construction teams
- Customized blueprints and refined structural specifications
Days Since Last Recordable Incident
Safety & Quality Are Our Top Priorities
ATC’s union-trained team adheres to strict safety protocols, compliance with industry codes such ax ASME, AWWA, API to ensure every project is executed to the highest standards.
- American Water Works Association (AWWA)
- American Petroleum Institute (API)
- Los Angeles Department of Water and Power Certified
- Association for Materials Protection and Performance (AMPP)
- American Standard of Mechanic Engineers (ASME)
Working With ATC is Easy
Our Hidden Advantage (A Major Bonus For Your Project)
Our advantage: strong relationships with our sister companies. By working closely with our trusted partners, we provide end-to-end solutions, including civil work and foundation design, offering you a seamless, stress-free experience.
This integrated approach means fewer headaches, faster timelines, and better outcomes for your project.
Associated Construction & Engineering, Inc.: Our Parent Company
ACE is the parent company of all our wholly-owned subsidiaries, united under one roof. We share the same commitment to delivering exceptional results for our customers.
Visit ACE Inc.The ACE Inc. Family
Associated Tank Constructors, Inc.: Above Ground Storage Tank Construction
Full-service union contractor and turnkey provider in construction and maintenance of shop and field erected carbon and stainless-steel tanks.
Canyon Springs Enterprises: Complete Civil Site Packages
Tank site preparations, renovation/repairs; grading, piping, fencing, and everything in between for your complete tank site package needs
Ultraflote: Aluminum Tank Domes, Roofs & Seals
Ultraflote provides advanced Tank Cover Technology and Internal Floating Roofs for petroleum, municipal, and industrial applications.
Paso Robles Tank, Inc.:
Welded Tank Design & Fabrication
PRT (non-union) is the West Coast leader in construction of welded steel (carbon and stainless) water, petroleum, agricultural, winery, and specialized tanks. We make use of their shop and fabrication services.
Serving Industries that Demand Excellence
Various Industries We Serve
From oil & gas to municipalities, our clients trust us to deliver durable solutions that meet industry-specific requirements.
Oil and Gas
Robust tanks designed for fuel, chemical, and fluid storage needs.
Water Treatment
Reliable storage solutions for purified water and treatment processes.
Municipalities
Durable tanks for water, wastewater, and essential municipal infrastructure.
Biosolids
Secure containment for biosolids processing, storage, and distribution.
Your Next Project, Delivered with Confidence
From start to finish, ATC ensures every detail meets your standards, so you receive a safe, code-compliant tank solution that’s built to last.
David, Military Contractor
ATC consistently met high-security and specialized client needs with precision. Their expertise was invaluable, not just during construction but in helping us present necessary repairs and long-term value-driven solutions. They demonstrated a deep awareness of both immediate project goals and the future functionality and long term value return of the federal facilities.