What RKS Plumbing & Mechanical does

RKS Plumbing & Mechanical Inc. is a privately held, founder-owned commercial plumbing and mechanical contractor headquartered in Glendale, Arizona, founded in April 1990 by Robert K. Sornsin. The firm operates as a subcontractor to general contractors on commercial construction projects ranging from $1,000 service calls to $20 million ground-up installations, contracting approximately 150 commercial jobs per year across healthcare, hospitality, education, government, industrial, senior living, and real estate verticals. Service territory covers Arizona (Phoenix metro and Northern Arizona via a Flagstaff office) with extended licensing into New Mexico.

The company's core offering spans seven operational divisions: Commercial Plumbing/Piping Systems, Mechanical/HVAC, Industrial & JOC, Medical/Hospital Gas Systems, Firefighter Air Replenishment Systems (FARS), Service & Repair (24/7 since 2003), and 3D CAD Design/BIM Coordination. Technical differentiation rests on in-house BIM/VDC capability (Autodesk 3D VCD 2016, REVIT MEP, NavisWorks with clash detection, on-site laser scanning, Total Station/Tremble GPS surveying, and pre-fabrication), eight Arizona ROC trade licenses including solar plumbing (CR-78), and an NITC Certified Medical Gas Instructor on staff. RKS holds exclusive Arizona subcontractor status for FARS Testing & Certification and operates a 28-person certified medical gas installation team.

Revenue mechanics are diversified across three primary streams: competitive-bid commercial plumbing projects subcontracted to general contractors, JOC contracts with municipalities (SRP, City of Phoenix Water, City of Phoenix Aviation), and recurring service revenue from property management companies and the 60+ FARS quarterly-testing customer base. Pricing is project-based and not publicly disclosed. The firm markets primarily through trade-association memberships (PHCC, BOMA, ASA-Arizona, AACM), client referrals, and its website. Headcount is 51-100 employees, and the company is led by founder-CEO Bob Sornsin with President Joe Stachel overseeing operations, plus VPs for Mechanical (Fernando Rodriguez) and Commercial (Phillip Doran) divisions.

Name

RKS Plumbing & Mechanical

Legal name

RKS Plumbing & Mechanical Inc.

Website

https://rksplumbing.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

51–100 employees

Short description

Commercial plumbing and mechanical contractor serving Arizona since 1990, providing commercial plumbing, HVAC, medical gas, industrial process piping, FARS, and 24/7 emergency service to general contractors, healthcare, government, and property management clients.

Ownership category

akta.pro rank

Product category

Commercial Plumbing & Mechanical Contracting Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (23822), Water and Sewer Line and Related Structures Construction (23711)

SIC

Services-Miscellaneous Repair Services (7600)

akta.pro primary industry

Plumbing & Pipefitting Contracting (IMAFALAC)

akta.pro secondary industries

Leak Detection & Pipe Repair (HSAOAAAC), Burst Pipe Repair & Water Shutoff (HSAOAMAA)

Keywords

• Commercial plumbing contracting
• Mechanical HVAC services
• Medical gas installation
• Industrial process piping
• Building mechanical systems

Headquarters

HQ city

Glendale

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Commercial Plumbing Projects: Contracting approximately 150 commercial jobs per year, ranging in size from $1,000 to $20M. Projects include tenant improvements, schools, high-rise condos, hospitals, auto dealerships, restaurants, retail, hotels, and design-assist projects.
2. Service & Repair: 24/7 service department for emergency repairs serving the entire Valley of the Sun since spring 2003. Services include plumbing and HVAC repairs, water heater replacement, fixture replacement, leak detection, and preventive maintenance contracts.
3. JOC Contracts: Job Order Contracting for municipalities and government entities including SRP, City of Phoenix water main repairs, City of Phoenix Aviation and all Airports. Provides on-call construction services from concept to close-out.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

RKS Plumbing & Mechanical Inc. is a full-service commercial plumbing and mechanical contractor that designs, installs, and services plumbing piping, HVAC/mechanical systems, medical gas systems, industrial process piping, and Firefighter Air Replenishment Systems (FARS) for commercial, institutional, healthcare, government, and industrial clients. The company operates a 24/7 emergency service department and provides in-house 3D CAD/BIM coordination with on-site laser scanning to support pre-fabrication and clash detection. Projects range from $1,000 service calls to $20 million ground-up commercial builds across Arizona and New Mexico.

Product overview

RKS Plumbing & Mechanical Inc. is a diversified commercial plumbing and mechanical contractor founded in 1990, offering an integrated portfolio of construction and installation services. The company's core offerings include Commercial Plumbing/Piping Systems, Mechanical/HVAC services, Industrial & JOC (Job Order Contracting), Medical/Hospital Gas Systems, and 24/7 Service & Repair. Specialty services include Firefighter Air Replenishment Systems (FARS) as a certified installer and tester, and 3D CAD Design & BIM Coordination using Autodesk software for pre-fabrication and clash detection. The company also provides LEED-certified green build services. Projects range from $1,000 to $20 million, encompassing tenant improvements, ground-up commercial projects, schools, hospitals, prisons, and design-assist projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Plumbing / Piping Systems
• Mechanical / HVAC
• Industrial & JOC
• Medical / Hospital Gas Systems
• Firefighter Air Replenishment Systems (FARS)
• 24/7 Service & Repair
• 3D CAD Design & BIM Coordination
• LEED / Green Build Services

Quantifiable outcome

• 150 commercial jobs contracted per year
• +3 more outcomes

Named customers14 records

Segments7 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• PHCC (Plumbing-Heating-Cooling Contractors Association)minorOthersProfessional association membership providing industry networking, resources, and credibility in the plumbing and HVAC contractor community.
• BOMA InternationalminorOthersBuilding Owners and Managers Association membership connecting with commercial real estate professionals and property managers.
• American Subcontractors Association of ArizonaminorOthersTrade association representing subcontractors in Arizona, providing advocacy and industry resources.
• Arizona Multihousing AssociationminorOthersIndustry association serving multifamily housing providers, supporting connections with apartment communities and property managers.
• AACM (Arizona Association of Community Managers)minorOthersAssociation for community managers in Arizona, facilitating relationships with property management companies.
• Arizona SHARPminorOthersSafety and Health Achievement Recognition Program demonstrating commitment to workplace safety excellence.
• Better Business BureauminorOthersBBB accreditation demonstrating commitment to ethical business practices and customer satisfaction.
• SRP (Salt River Project)coreStrategic or Co-development PartnerJOC contract holder for on-call construction services, providing ongoing project opportunities for water and power infrastructure work.
• City of PhoenixcoreStrategic or Co-development PartnerJOC contracts for water main repairs and aviation/airport projects, providing steady stream of municipal construction work.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• APi Group: APi Group (APG) is a diversified safety, specialty, and industrial services holding company that includes mechanical contracting and life safety services. Comparable because of FARS-adjacent life-safety focus and mechanical services portfolio, though APi operates at much larger scale across many end markets.
• IES Holdings: IES Holdings (IESC) is a publicly traded provider of electrical and mechanical infrastructure services to commercial, industrial, and residential customers. Comparable mechanical services portfolio with broader national footprint; relevant as a public-market reference point.
• Comfort Systems USA: Comfort Systems USA (FIX) is a publicly traded national provider of commercial HVAC, plumbing, electrical, and building automation services. Similar mechanical contracting model at significantly larger scale across multiple geographies, with comparable healthcare, education, and industrial customer mix.
• EMCOR Group: EMCOR Group (EME) is one of the largest mechanical and electrical contracting firms in the U.S., serving commercial, industrial, utility, and institutional clients. Operates broadly across many verticals with mechanical and plumbing services as a core offering, much larger scale than RKS but overlapping customer base and services.

Direct peers

• Service Logic: Service Logic is a private equity-backed national provider of commercial HVAC, plumbing, and mechanical services with a multi-regional branch model. Highly comparable 24/7 service and mechanical contracting offering, with the difference that Service Logic operates at multi-region scale vs RKS's regional focus.
• Limbach Holdings: Limbach Holdings (LMB) is a publicly traded specialty mechanical contractor focused on HVAC, plumbing, and building controls for commercial, healthcare, and institutional customers. Most directly comparable business model — project-based mechanical contracting with specialty healthcare expertise — making it the clearest public-market comp for RKS.
• U.S. Engineering Company: U.S. Engineering Company is an employee-owned mechanical contractor headquartered in Kansas City serving commercial, healthcare, and industrial customers. Highly comparable model — mechanical contracting with healthcare specialty and industrial process piping — at a similar mid-market scale to RKS.
• TDIndustries: TDIndustries is a Texas-based mechanical contractor providing plumbing, HVAC, and building services to commercial and institutional customers. Comparable family-influenced culture, regional commercial focus, and similar mix of healthcare and institutional work as RKS.

Regional players

• Yearout Mechanical: Yearout Mechanical is a multi-state mechanical contractor based in New Mexico serving commercial, healthcare, and industrial clients across the Southwest. Comparable Southwest regional footprint (AZ/NM overlap), similar healthcare and institutional capability set, and adjacent geographic coverage.
• Wyman Mechanical: Wyman Mechanical is a Phoenix-area mechanical contractor providing HVAC, plumbing, and process piping services in the Arizona market. Direct regional competitor in the same Valley of the Sun territory, with comparable healthcare and commercial work in the Phoenix metro.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks4 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/pages/RKS-Plumbing-Mechanical-Inc/450518585028963

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles15 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RKS Plumbing & Mechanical