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The Conco Companies

Commercial Concrete Contractors Since 1959

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      • Assistant Project Manager – Kent, Washington
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Conco’s One Stop Shop Approach

November 18, 2014 The Conco Companies  Concrete Design/Build, Concrete Finishing, Concrete Formwork, Concrete Pumping, Concrete Reinforcement, Shotcrete

The reality is that tight construction schedules demand coordination between building trades if a project is to be successful. With the recent uptick in building activity, this task has become increasingly more difficult for both the developer and the general contractor. In order to alleviate such scheduling difficulties, a simple solution that … [Read more...]

Tagged: Conco Reinforcing, Concrete, Concrete Finishers, Concrete Pumping, Concrete Rebar, Rebar Fabrication, Reinforced Concrete Design, Reinforcing

Conco’s Role in the Denver Union Station Redevelopment Project

July 2, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Concrete Reinforcement, Shotcrete

  The Conco Companies, one of the nation’s largest commercial concrete contractors is finishing up concrete work on the new Platform at Union Station, a luxurious 21-story apartment building that is part of the Union Station Neighborhood in the heart of downtown Denver. The building is being developed by Holland Partners and includes 288 … [Read more...]

Tagged: 1650 Wewatta, 2013, Colorado, Conco Companies, Concrete, Concrete Pumping, Downtown Denver Developments, Historic Denver Union Station, Holland Partners, Shears Adkins Rockmore, The Platform Denver, Union Station, Union Station Neighborhood

Direct Feed Trailer Improves Productivity in Tight Spaces

May 23, 2014 The Conco Companies  Concrete Finishing

Conco Pumping Telebelt Overview

Most large scale construction projects in downtown settings lack the room necessary to stockpile large quantities of equipment or materials needed to get the job done.  This makes the utilization of the space that does exist vital in the planning of every job task. This is certainly the case with 1 South Market, a new high-rise residential tower … [Read more...]

Tagged: Bay Area, Belting Conveyors, Direct Feed Trailer, San Francisco, San Jose

Topping Off and Moving On

May 1, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

The first quarter of 2014 saw some significant projects being completed for The Conco Companies.  Concrete work for the new Levi’s Stadium (home to the San Francisco 49ers) is virtually complete as only minor concrete remains.  The goal posts have been installed and the seats are in as the stadium gets ready for an on time opening this summer.  … [Read more...]

Tagged: 49ers stadium, 815 Pine St, Concrete Pumping

More Power, Less Noise, Zero Emissions

April 30, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

Concrete Pumping Skyscrapers

Raising the Environmental Bar on Concrete Pumping The Conco Companies have been busy working on the new Wilshire Grand Center in Los Angeles, which is slated to become one of the tallest buildings west of the Mississippi. Before the start of the project, we were asked how we will pump concrete 650 feet horizontally and then 1,125 feet vertically … [Read more...]

Tagged: Concrete Pumping, Electric Concrete Pump, SCAQMD, Southern California Air Quality Management District

Record Setting Event Accomplished Without Injury

February 28, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

While Conco is justifiably proud of breaking the World record for the largest continuous mat pour, we are even more proud of doing it safely.  Our commitment to safety began with the vision from Conco’s Southern California General Manager, Rick Parker.  Five months prior to the pour, he invited John Messing, Conco’s Safety Director, to participate … [Read more...]

Tagged: 2014, Commercial, Concrete Pumping, Guinness World Record, Largest Continuous Mat Pour, Los Angeles, Wilshire Grand Center

Conco’s Thermal Control Plan of the Wilshire Grand Mat Foundation Pour Proves Successful

February 28, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

Among the many unique features of the Wilshire Grand mat foundation pour was the thermal control plan.  Occasionally we need to make provisions for the heat that is generated in mat foundations.  In mass concrete structures there are two thermal properties that must be considered: the maximum temperature and the temperature difference between the … [Read more...]

Tagged: 2014, Commercial, Concrete Pumping, Guinness World Record, Largest Continuous Mat Pour, Wilshire Grand Center

Conco’s Equipment Met the Tough Challenges of the Wilshire Grand Pour With Flying Colors

February 28, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

Wilshire Foundation Concrete Equipment

To successfully complete the world’s largest continuous mat pour, one of the biggest challenges Conco faced was to find ways to unload 120 – 150 truckloads of concrete per hour. With the need to unload so many trucks in such a short period of time, Conco’s plan called for thirteen points of placement in the mat foundation.  However, only two sides … [Read more...]

Tagged: 2014, Commercial, Concrete Pumping, Guinness World Record, Largest Continuous Mat Pour, Los Angeles, Wilshire Grand Center

Breaking the Guinness World Record for the Largest Continuous Mat Pour

February 28, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping, Shotcrete

Wilshire Grand largest continuous mat pour

Starting at 4:47 p.m. on Saturday, February 15, 2014, Conco broke the Guinness World Record for the largest continuous mat pour in 18 ½ hours (1 ½ hours under the projected time).  To verify the event, there was an official Guinness World Records adjudicator on-site.  The mat pour was for the new Wilshire Grand Center that is being constructed in … [Read more...]

Tagged: 2014, Commercial, Concrete Pumping, Guinness World Record, Largest Continuous Mat Pour, Los Angeles, Wilshire Grand Center

Conco Played a Major Role in the Repairs on the New Bay Bridge

February 7, 2014 The Conco Companies  Concrete Finishing, Concrete Formwork, Concrete Pumping

After the highly publicized reports from this past summer regarding the failure of 32 anchor rods on the eastern span of the new Bay Bridge, the highly regarded concrete contractor, Conco was retained by the general contractor, American Bridge/Fluor Enterprises, Inc. JV, to assist with the repair work. Based on their earlier performance with other … [Read more...]

Tagged: 2013, Bay Area, Concrete Pumping, Reinforced Concrete Design, Reinforcing, San Francisco

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Latest Posts

  • Conco Partners with the Concrete Preservation Institute to Help Military Veterans Begin Careers in the Concrete Industry

    Conco Partners with the Concrete Preservation Institute to Help Military Veterans Begin Careers in the Concrete Industry

    January 6, 2021
  • New Affordable Housing Community Underway in Downtown Los Angeles

    New Affordable Housing Community Underway in Downtown Los Angeles

    December 9, 2020
  • Conco Completes Concrete Services for West Hollywood Luxury Condos and Penthouses

    Conco Completes Concrete Services for West Hollywood Luxury Condos and Penthouses

    December 9, 2020
  • Conco Makes Progress with New Medical Center Amidst the Covid-19 Pandemic

    Conco Makes Progress with New Medical Center Amidst the Covid-19 Pandemic

    December 7, 2020
  • Conco to Provide Full Concrete Services for Amani Apartments (Affordable Housing) in Los Angeles

    Conco to Provide Full Concrete Services for Amani Apartments (Affordable Housing) in Los Angeles

    December 4, 2020
  • Conco to Break Ground for 6-Story Affordable Housing Community in Los Angeles

    Conco to Break Ground for 6-Story Affordable Housing Community in Los Angeles

    December 2, 2020

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Free Whitepaper: Hiring the Best Commercial SubContractor

N. California

5141 Commercial Circle
Concord, CA 94520

925-685-6799 Phone
925-685-6851 Fax

S. California

13052 Dahlia Street
Fontana, CA 92337

909-350-0474 Phone
909-350-0475 Fax

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18644 72nd Avenue S
Kent, WA 98032

425-251-1684 Phone
425-251-6548 Fax

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7025 N Leadbetter Road
Portland, OR 97203

(971) 808-5954 Phone

Copyright © 2021 · Conco. All Rights Reserved.

Conco’s mission is to be the best supplier of concrete services in the Western United States and to bring expertise and unsurpassed quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, parking structures, educational, and other construction development. We welcome the opportunity to offer our vast experience to your next project as one of the country’s leading commercial concrete contractors.

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      • Assistant Project Manager – Kent, Washington
      • BIM Technician – Kent, Washington
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      • Construction Project Engineer – Portland, OR
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      • Project Manager Southern CA
      • Reinforcing Steel Detailer – Seattle
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