Insights

Established presence California-focused civil engineering firm with long-standing operation since 1972 and multiple California locations, offering potential cross-region project opportunities and partnerships with state and municipal agencies.

Full-service upsell Five integrated service areas (engineering design, construction management, survey and GIS, urban design and landscape, biology and environmental permitting, planning) create cross-sell opportunities for clients needing end-to-end project delivery.

Project expertise Specialization in managing challenging infrastructure projects positions QK for clients with complex regulatory, funding, and permitting requirements, suggesting upsell to program management and regulatory consulting services.

Talent partnerships Strong emphasis on employee training, professional development, and industry memberships signals opportunities to offer expanded learning platforms, tools, or collaboration with universities and associations to win repeat business.

Growth potential Geographic footprint with headquarters in Visalia and multiple regional offices indicates potential for expanded service packages, data-driven design optimization, and scalable solutions for state-wide California infrastructure programs.

Similar companies to QK

QK Tech Stack

QK uses 8 technology products and services including WordPress, Shopify, WooCommerce, and more. Explore QK's tech stack below.

Media & News

QK's Email Address Formats

QK uses at least 8 email formats:
QK Email FormatsExamplePercentage
First.Last@qkinc.comJohn.Doe@qkinc.com
75%
F.Last@qkinc.comJ.Doe@qkinc.com
12%
Last@qkinc.comDoe@qkinc.com
10%
First@qkinc.comJohn@qkinc.com
3%
FirstL@quadknopf.comJohnD@quadknopf.com
93%
Last@quadknopf.comDoe@quadknopf.com
5%
FLast@quadknopf.comJDoe@quadknopf.com
1%
First@quadknopf.comJohn@quadknopf.com
1%

Frequently Asked Questions

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 August 2026, QK's annual revenue is estimated to be $100M - $250M.

What is QK's NAICS code?

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QK's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does QK have currently?

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As of August 2026, QK has approximately 255 employees across 5 continents, including North America, Asia and Europe. Key team members include Cfo/ Coo: A. A., President: R. W. and Controller: J. F. 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 WordPress, Shopify, WooCommerce, Mailchimp, Barracuda Email Protection, Google Cloud, Underscore.js and Vimeo.

What is QK's email format?

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QK's email format typically follows the pattern of First.Last@qkinc.com. Find more QK email formats with LeadIQ.

When was QK founded?

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QK was founded in 1972.
QK logo

QK

Civil EngineeringCalifornia, United States201-500 Employees

QK is a California-based civil engineering firm delivering multi-disciplinary services for infrastructure projects. Founded in 1972, it supports growth and development across the state. The company organizes its work around five integrated disciplines: engineering design and construction management; survey and GIS; urban design and landscape architecture; biology and environmental permitting; and planning. Headquartered in Visalia, it operates additional offices in Bakersfield, Porterville, Clovis, Hanford, and Merced. Its client base includes public and private sector projects facing California's regulatory, funding, and planning requirements, for whom QK acts as an experienced guide. As a mid-sized California firm, it emphasizes employee development through hands-on training, workshops, tuition reimbursement, and support for professional credentials, reflecting a commitment to quality and long-term capability.

Section iconCompany Overview

Phone number
Website
qkinc.com
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

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