Royal Construction GroupSelf-performing industrial GC Request a bid

Every temperaturein your plant.One crew.

RCG is a family-owned, design-build general contractor for food manufacturing and cold storage. From concrete tilt-up to blast freezers, we self-perform the trades with our own people.

Since 1985 · Upland, California · CSLB 1066286

Zones we build, cold to warm

  1. −20°FBlast freezersRapid pull-down for production lines
  2. −10°FFrozen storageFreezer warehouses and distribution
  3. 34°FCoolersGlycol and CO₂ systems
  4. 45°FRefrigerated docksTemperature-controlled loading
  5. 55°FProcessing roomsFood-grade conditioning
  6. 72°FOffices and plant HVACVRF, rooftop units, ventilation

Trusted by food manufacturers and grocers

Clients include CJ Foods, CJ Foodville, Daesang America, Dean Foods, Great River Food, H Mart, Rice Field Corporation, SUPERVALU and 99 Ranch Market.

What we self-perform

We don't broker the work out. Our own craft workers and managers cover the trades that make or break a cold facility, so the handoffs stay inside one company.

RCG refrigeration installation
  • Condensing units
  • Glycol chiller systems
  • CO₂ refrigeration
  • Walk-in cooler installation
  • Blast freezing systems
  • Energy management systems
  • Leak detection systems

Full refrigeration scope

RCG HVAC installation
  • VRF systems
  • Rooftop units
  • Exhaust fans and gravity vents
  • Class 1 and 2 kitchen hoods
  • Ventilation systems
  • SMACNA-compliant duct fabrication and install
  • Evaporative cooling
  • Food production grade conditioning

Full HVAC scope

RCG plumbing work
  • Process plumbing and waste systems
  • Industrial water systems
  • Boiler and steam systems
  • Compressed air systems
  • R/O and in-line filtration
  • Lift stations and booster pumps
  • Backflow inspection and repair
  • Camera inspection and jetting
  • Pipe bursting and sewer repair
  • Water heaters, tankless and storage

Full plumbing scope

Electrical and MEP work at EPOCA
  • Industrial and commercial installation
  • 24-hour electrical service
  • Lighting service and retrofits
  • Low voltage
  • Utility power upgrades

Full electrical scope

RCG concrete work
  • Excavation, piling and shoring
  • Foundations, piers and caissons
  • Tilt-up construction
  • CMU structures and retaining walls
  • Podium decks and poured-in-place walls
  • Housekeeping pads
  • Grading and paving
  • Waterproofing and restoration
  • ADA ramps, swales and walkways
  • Pre-tied rebar cages and detailing

Full concrete scope

RCG framing work
  • Metal stud framing
  • Demising walls
  • Floor joist systems
  • Truss and joist roof structures
  • Prefabricated joists
  • Roof platforms and retrofits

Full framing scope

RCG structural steel erection
  • Constructability and value engineering
  • Rigging and installation
  • Certified welding
  • Pre-fabricated and stick-built erection
  • Platforms, catwalks and ladders
  • Roof beams and mechanical pad supports
  • Tilt-up embeds
  • Estimating, scheduling and design review

Full structural steel scope

CJ Foods facility in Fullerton
  • Cooler and freezer boxes
  • Blast freezer enclosures
  • Wall and ceiling panels
  • Cold storage build-outs up to 50,000+ sq ft

Full insulated metal panels scope

Project record

Food plants, freezers and markets we've delivered, from single build-outs to multi-phase programs.

Selected RCG projects
ClientYearsDeliveryValueHighlights
EPOCA2023–24Design-build$30M120,000 sq ft in Corona, CA; MEP coordination for advanced robotics
CJ Foods2017–21Lump sum bid$33MOne of the largest blast freezers in the country; new city sewer lines and 16,000 amps of new power
CJ Foods2010–15Lump sum bid$16MRefrigeration designed to the limits of current technology; 45,000 sq ft tilt-up addition
CJ Foodville2020Lump sum$1.5M30,000 sq ft; IMP cold storage
Rice Field Corp.2020Subcontract$2.5MIMP cold storage and blast freezer systems
Wang Globalnet2015Lump sum bid$1.5M20,000 sq ft freezer and cold storage build-out
H Mart2011Prime subcontract$2M50,000 sq ft IMP cold storage build-out
Fresh Choice SupermarketDesign-build$3.5MBuild-out of the largest Middle Eastern market in the country
CJ Foods plant in Fullerton, CA
CJ Foods, Fullerton
EPOCA facility
EPOCA, Corona

24/7 mechanical service

Lost temperature? We roll.

With a large fleet and crews across Southern California, RCG mobilizes fast to stabilize equipment failures and unexpected damage, so product stays safe and lines get back up.

  • Food and beverage plants
  • Cold storage and warehousing
  • Manufacturing
  • Fuel terminals

Call any time

(909) 942-0999

A refrigeration shop that grew up

RCG started in 1985 as a small refrigeration service company for local commercial and industrial businesses, often working around the clock on supermarket projects.

Under President and CEO Charley Paek, it has become a design-build industrial general contractor trusted by some of the largest food manufacturers in the world, with nearly 100 skilled and salaried professionals.

Our mission is to lead the food production and cold storage industry by embracing diversity, fostering innovation, promoting teamwork and building long-term relationships with our customers, with the highest standards of ethics and integrity.

  1. 1985Founded as a refrigeration service shop with about a dozen employees.
  2. Early yearsSupermarket refrigeration and cold storage, often working around the clock.
  3. 2010First multi-phase CJ Foods program, adding a 45,000 sq ft tilt-up.
  4. 2017CJ Foods expansion with one of the largest blast freezers in the country.
  5. 2023EPOCA: 120,000 sq ft design-build plant in Corona.
  6. TodayNearly 100 professionals, working across eight states.
Charley Paek
Charley PaekPresident and CEO
Jorge Enriquez
Jorge EnriquezDirector of Operations
Omar Milbis
Omar MilbisDirector of Finance

Management team

  • Isaiah Tarin Director, MEP
  • Nicholas Enriquez Director, Structural
  • Young Kim Project Engineer, Director of Business Development
  • Edwin Doncel Project Engineer
  • Jose Orozco Manager, Plumbing
  • Arturo Hurtado Manager, Structural
  • Joe Aguilar Manager, Structural
  • Cesar Jacobo Manager, Finish Work

Where we work

A regional workforce of traveling craft workers and managers.

  • Los Angeles
  • Orange
  • San Diego
  • Riverside
  • San Bernardino
  • Ventura
  • California
  • Arizona
  • Nevada
  • Hawaii
  • Texas
  • Georgia
  • New Jersey
  • New York

Licensed

California CSLB #1066286

  • BGeneral building contractor
  • C-38Refrigeration
  • C-20HVAC
  • C-36Plumbing
  • C-8Concrete

Start a project

Send us the basics and an estimator will follow up. For an outage, call instead.

Headquarters
1522 Howard Access Rd, Suite A
Upland, CA 91786
Phone
(909) 942-0999
Email
info@rcgroupusa.com