Comprehensive Mechanical, Electrical, Plumbing, and Building Automation Capabilities
Full-Service | Design-Build | Fabrication | Alaska Division | Service & Maintenance | BAS Building Automation | Engineering | Energy Services | Commissioning | Electrical Service
Full-Service Mechanical Construction & MEP Solutions
Full-service from start to finish. We understand that every successful project begins with a solid foundation. That’s why we offer a full-service experience from start to finish, collaborating with our clients to design and produce optimum mechanical systems that prioritize comfort, efficiency, and sustainability.
What sets us apart is our commitment to involvement right from the early stages of pre-construction. Our dedicated teams in Washington and Alaska, comprised of in-house Estimators, Engineers, CAD Professionals, and Detailers, work together seamlessly to ensure your project is in capable hands from conception to completion. Let’s discuss how we can elevate your next project together. Contact us HERE.
Mechanical Engineering & Precision Design
Engineering that Drives Better Outcomes.
Our Design Solutions go beyond conventional MEP engineering—bringing together design, constructability, and system performance into one coordinated approach. By integrating engineering with real-world installation expertise, we eliminate disconnects that often lead to delays and rework.
Grounded in Real-World Application, We Deliver Performance with Confidence.
Evaluate existing systems and technologies to inform design
Identify critical environments and performance needs early
Analyze energy efficiency and lifecycle costs
Develop practical, cost-effective value engineering solutions
Advanced Coordination & BIM Integration
Using industry-leading tools—including Bluebeam, AutoCAD, Navisworks, Revit, and Trimble—our teams develop a fully coordinated Building Information Model (BIM) that aligns all trades and systems before construction begins. This level of coordination:
Minimizes trade overlap and field conflicts
Optimizes routing to reduce connections and potential failure points
Identifies clashes and existing condition issues early
Improves installation efficiency and schedule reliability
Contact us and let us talk about your next project.
Design-Build
In Design-Build, Holaday-Parks delivers fully integrated systems—not separate trades. By aligning engineering, fabrication, and installation, we eliminate handoff gaps, reduce conflicts, accelerate schedules, and ensure systems perform as intended from day one through one coordinated approach.
Progressive
Design-Build
Holaday-Parks excels in Progressive Design-Build, where early collaboration drives results. Our open-book approach, real-time cost modeling, and Target Value Design align scope, budget, and constructability—reducing risk, improving coordination, and delivering predictable outcomes before construction begins.
Mechanical systems that perform as intended—with fewer surprises, greater efficiency, and a smoother path from design through commissioning.
Design-Assist
Acting as an extension of the design team, Holaday-Parks brings in-house engineers, VDC specialists, and fabrication experts together early. We shape design with real-time input—reducing redesign, controlling costs, and delivering coordinated, constructible systems ready to perform before reaching the field.
Design-Spec
Even in traditional Design-Spec delivery (design-bid-build), Holaday-Parks stands apart through disciplined execution and proactive coordination. Leveraging VDC, prefabrication, and field expertise, we resolve issues early—improving constructability, enhancing system performance, and delivering an efficient, predictable path to completion.
Operations & Maintenance Support:
Extending Value Beyond Turnover
Holaday-Parks supports owners and developers with Operations & Maintenance solutions that extend well beyond project completion—transforming turnover into the beginning of long-term performance.
We develop customized O&M programs that integrate commissioning insights, preventative maintenance strategies, and detailed system documentation into a clear, actionable framework. Equipment inventories, maintenance schedules, and performance benchmarks are aligned with code requirements and operational goals, ensuring systems are not only delivered correctly—but are easy to manage and maintain.
By bridging construction and operations, we help reduce downtime, improve energy performance, and provide owners with reliable, high-performing systems that continue to deliver value over time.
Comprehensive MEP Service & Preventative Maintenance
Emergency Response that Owners and Operators Rely on. Regardless of how optimal a Preventative Maintenance Plan may be—when dealing with mechanical, electrical, and plumbing—things happen, and usually not at a good time. Critical or emergency failures require an efficient and fast resolution. With 24/7 Emergency Response, Holaday-Parks has qualified technicians dedicated to helping you be the hero.
We recognize that building occupants may not always be aware of the meticulous management behind the scenes to keep operational systems running smoothly—until something goes wrong. So in addition to emergency mechanical, plumbing, and electrical service, our Preventative Maintenance Plan can help avoid those headaches in a more cost effective, and predictable way.
Key Benefits to Reduce Operational Costs and Stress:
Optimized Performance: Ensure your building operates at top performance levels.
Comfort and Safety: Prioritize occupants’ well-being with a proactive maintenance approach.
Cost Savings: Address potential issues before they become costly, saving you time and money.
How Holaday-Parks Helps You:
Our team specializes in developing customized Preventative Maintenance Plans tailored to your needs. By partnering with us, you’ll benefit from proactive maintenance strategies to prevent issues before they impact your operations.
Don’t wait until something goes wrong. Let us work with you to implement a preventative maintenance plan that keeps your building running seamlessly.
Electrical Service
Your One-Stop Source for Electrical Excellence. We offer a comprehensive range of commercial building and industrial electrical services! Whether your site needs troubleshooting or energy-saving upgrades, we've got you covered.
Our expert team offers annual facility inspections, cutting-edge service upgrades, efficient lighting retrofits, and reliable emergency repair services. We're committed to ensuring compliance with NFPA standards and manufacturer guidelines, and are proud to be the only mechanical contracting firm in the PNW to have achieved NETA’s QEMC rating.
We also provide off-hours scheduling, arc flash studies, power quality monitoring, thorough transformer testing, as well as infrared testing and documentation services that are NFPA 70B compliant.
Contact us to discuss your next project!
Find out more about why building owners and operators—as well as insurance companies—prefer working with Qualified Electrical Equipment Maintenance Companies.
Building Automation System (BAS)
Intelligent Control, Continuous Optimization
Holaday-Parks delivers Building Automation as an intelligent, fully integrated layer of our system—connecting mechanical, electrical, and operational performance through advanced controls and real-time data. We provide full lifecycle management of Building Automation and Power Monitoring Systems, from design-build implementation to system upgrades and long-term service, including migration from legacy platforms and development of high-performance control strategies for mission-critical environments—specifically with expertise in Tridium and Distech Controls.
With in-house engineering, UL-listed control panel manufacturing, installation, commissioning, and dedicated service teams, we maintain full accountability across the system—enabling continuous optimization, improved energy efficiency, and long-term operational resilience.
We deliver fully integrated fire and smoke control systems as a critical component of life-safety performance, aligning fans, dampers, stair pressurization, and HVAC sequencing with fire alarm and automation systems. With deep experience in complex multiple-agency environments, we lead coordination, testing, and commissioning from the outset.
Energy Services
Energy sustainability is what we do, and the first step is benchmarking what you currently have. We can determine how your building performs, identify energy-saving opportunities, provide a cost analysis for optimization, and monitor energy performance. We monitor performance through check-ins and system alerts after you know how your building measures up— we’re here to help you reduce your energy costs and overall energy consumption.
WA State Clean Buildings Standard (HB-1257)
Navigating through government standards, policies, and compliance measures can be complicated— we can help. Learn more about HB-1257 and how Washington State commercial building owners prepare to meet fast-approaching compliance deadlines.
Building Commissioning
From top to bottom—we will make sure your building is working as intended. We provide a documented verification process through our Building Commissioning service that ensures the building’s performance for new construction and existing buildings. We commission all building sizes and types from office to education to healthcare to industrial. Our goal is to equip our customers with a fully functional building on day one of occupancy.
Contact us for more information.
In-House Fabrication Shops
Holaday-Parks delivers unmatched value through a comprehensive prefabrication approach supported by over 40,000 square feet of warehouse and fabrication space at our Tukwila, Washington headquarters.
Our fully-integrated, in-house team of engineers, CAD professionals, and detailers enables a seamless transition from design to construction. By performing 100% of sheet metal and piping fabrication in-house, we improve coordination, quality, and schedule certainty. This approach results in:
Reduced costs associated with assembly, packaging, and transportation
More efficient on-site delivery and installation
Custom fabrication solutions tailored to project-specific needs
Minimized field assembly requirements
Improved jobsite safety through controlled fabrication environments
Prefabrication Approach
Holaday-Parks places a strong emphasis on early planning and prefabrication to improve project outcomes. Our teams support a wide range of prefabrication efforts, including framing, electrical, and low-voltage systems, enabling efficient assembly of critical components such as patient wet walls and other system-intensive installations.
Our fabrication facilities feature advanced equipment, including:
State-of-the-art coil line duct assembly machines
Coil line plasma cutting machines
Spiral duct machines
CNC plasma cutting systems
Overhead cranes
Pipe cutting and grooving equipment
All equipment is fully integrated with our detailing and 3D Revit modeling systems, allowing for precise “bag and tag” assembly and streamlined installation in the field.
Holaday-Parks’ prefabrication capabilities are not just about efficiency—they are about delivering fully coordinated systems that reduce risk, improve safety, and accelerate project schedules. By integrating design, modeling, and fabrication, we ensure systems arrive on-site ready to install and perform as intended.
Certification Milestone for our Fabrication Shop SAVES TIME and MONEY for our customers.
Investing in our capabilities for our customers’ confidence. We are proud to announce that Holaday-Parks has completed a rigorous certification process resulting in both UPC (Uniform Plumbing Code) approval through IAPMO R&T and NSF-61 (National Sanitation Foundation) certification for our shop-fabricated stainless steel welded assemblies.
Holaday-Parks is the ONLY area fabrication shop to meet Public Health & Seattle/King County’s stringent requirements for shop-fabricated assemblies installed within potable domestic water piping systems. (Read the King Co. article HERE)
We know how important it is for projects to stay on budget, and this certification is another way we demonstrate our dedication to that. Other area contractors must purchase fittings from an outside source at a much higher cost and could be susceptible to price fluctuations and availability concerns. With our in-house capabilities, these concerns are eliminated. Read more about the importance of this certification in our Blog HERE.