Insights

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Gathering insights about QK

QK Tech Stack

QK uses 8 technology products and services including Shopify, Google Cloud, jQuery Migrate, and more. Explore QK's tech stack below.

  • Shopify
    E-commerce
  • Google Cloud
    Infrastructure As A Service
  • jQuery Migrate
    Javascript Libraries
  • PHP
    Programming Languages
  • X-XSS-Protection
    Security
  • Cloudflare Bot Management
    Security
  • Gravity Forms
    Web Platform Extensions
  • Autoptimize
    Web Platform Extensions

Media & News

QK's Email Address Formats

QK uses at least 2 format(s):
QK Email FormatsExamplePercentage
FirstL@quadknopf.comJohnD@quadknopf.com
92%
Last@quadknopf.comDoe@quadknopf.com
5%
FLast@quadknopf.comJDoe@quadknopf.com
1%
First@quadknopf.comJohn@quadknopf.com
1%
First.Last@quadknopf.comJohn.Doe@quadknopf.com
1%
First.Last@qkinc.comJohn.Doe@qkinc.com
73%
F.Last@qkinc.comJ.Doe@qkinc.com
13%
Last@qkinc.comDoe@qkinc.com
10%
First@qkinc.comJohn@qkinc.com
4%

Frequently Asked Questions

Where is QK's headquarters located?

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QK's main headquarters is located at 901 E. Main Street, Visalia, California 93292, US. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is QK's phone number?

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You can contact QK's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is QK's stock symbol?

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QK is a publicly traded company; the company's stock symbol is QK.

What is QK's official website and social media links?

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QK's official website is qkinc.com and has social profiles on LinkedIn.

How much revenue does QK generate?

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As of October 2025, QK's annual revenue is estimated to be $4M.

What is QK's SIC code NAICS code?

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QK's SIC code is 5812 - Eating Places NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does QK have currently?

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As of October 2025, QK has approximately 248 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Cfo/ Coo: A. A.Vice President Of Business And Operations: A. A.Director Of Community Development & Infrastructure Financing: J. Q.. Explore QK's employee directory with LeadIQ.

What industry does QK belong to?

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QK operates in the Civil Engineering industry.

What technology does QK use?

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QK's tech stack includes ShopifyGoogle CloudjQuery MigratePHPX-XSS-ProtectionCloudflare Bot ManagementGravity FormsAutoptimize.

What is QK's email format?

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QK's email format typically follows the pattern of FirstL@quadknopf.com. Find more QK email formats with LeadIQ.

When was QK founded?

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QK was founded in 1972.

QK

Civil EngineeringUnited States201-500 Employees

Our Company

Since 1972, QK has been helping California grow into the communities we see today. Our company was built by strong values, talented people, and the widespread recognition of our work in the field. We continue to help clients across the state by managing their most challenging infrastructure projects.

QK is built on five distinct areas of expertise that work together to make the built environment possible. We have the industry’s most creative professionals in engineering design and construction management, survey and GIS, urban design and landscape architecture, biology and environmental permitting, and planning.

QK has a diverse staff of nearly 100 employees throughout California – our headquarters in Visalia, as well as locations in Bakersfield, Porterville, Clovis, Hanford, and Merced.

If you are preparing to complete a complex project in California you face a sea of regulations, funding questions, and planning requirements. But you don’t have to do it alone. We’ve been there and done that. We are your expert guides to getting your project done.

Our Team

No one is better at helping clients through the confusing regulations, funding problems, and planning requirements that are part of completing a project in California.

Our employees are the bedrock of the QK brand. Their talent, integrity, and commitment to quality has defined QK’s culture for over four decades and will carry our values into the future.

We are proud to provide our employees with hands-on training, workshops, networking events, tuition reimbursement, sponsored memberships for professional associations, and assistance with obtaining professional licenses.

Are you interested in joining the QK team? Email us at recruiter@qkinc.com to learn more about our career opportunities, benefits, and corporate culture.

Section iconCompany Overview

Headquarters
901 E. Main Street, Visalia, California 93292, US
Phone number
Website
qkinc.com
SIC Code
5812 - Eating Places
Stock Symbol
QK
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1972
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    QK's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    QK's revenue is estimated to be in the range of $100M$250M

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